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					    Operators Manual
                  Croplands Linkage Sprayers

500 litre
700 litre
1000 litre

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Croplands Equipment is a subsidiary of Nufarm Australia Ltd and operates as Croplands
Equipment Pty Ltd in Australia and Croplands Equipment Ltd in New Zealand. Croplands are
a leading importer, manufacturer and supplier of spraying equipment primarily to the New
Zealand and Australian markets, with expanding sales into the USA and Europe. Established
in 1972, Croplands is one of the four largest suppliers, with the largest range, of spraying
equipment to the Australasian market.

This manual covers the Croplands’ range of linkage sprayers with tank capacities of 500 litres
through to 1000 litres. This includes the AgriPak range and the Compact range.

Manufactured to a high standard for use in Agriculture and Horticulture, every effort has
been made to include all models and the equipment used in conjunction with the basic
frame and tank combinations. As the owner of a Croplands Linkage sprayer, please read this
manual thoroughly to fully familiarise yourself with all aspects of the safe and correct
operation of your sprayer. Maintenance information and useful tips have been noted so
please use these to get the best from your sprayer.

Should you need any support or advice on the set up and use of your sprayer, contact your
local Croplands dealer or contact Croplands Customer Support.
Croplands Dealers are listed on under “dealers” in the menu
Croplands can be contacted in Australia on 1800 999 162, and in New Zealand on 0800 106 898.

The Croplands team have taken steps to ensure this operator’s manual is as current and as accurate as possible.
Due to the ever changing markets of cropping and farming, Croplands is constantly striving to be at the forefront
of innovation and technology. While the information in this manual is considered accurate at the time of writing,
Croplands reserves the right to change this information without notice. Croplands will not accept liability for any
inaccuracy in this publication, or changes forthwith.

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  1) Warranty Policy
     a. Conditions of Warranty
     b. Warranty registration
     c. Pre Delivery Checklist

  2) Safety information

  3) Specifications

  4) Operation
      a. Hook Up and PTO information
      b. Start Up
      c. Controller information
      d. Boom Spraying
      e. Filtration system, Spray Gun operation and Hose reels.

  5)   Spraying information
       a. When and how to spray safely
       b. application rates, ground speed and boom height settings.

  6) Calibration information

  7) Lubrication and maintenance

  8) Tank and frame parts

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Section 1: Warranty Policy
Croplands Equipment Pty Ltd (trading as Croplands) warrants to its authorised Dealer, who in turn, warrants to
the original purchaser (Owner) that each new Croplands’ sprayer, part or accessory will be free from proven
defects in material and workmanship for twelve (12) months from the date of delivery to the first Owner
according to the conditions outlined. This warranty does not cover damages resulting from abuse, accidents,
alterations, normal wear or failure to maintain or use the Croplands product with due care.

During the warranty period, the authorised Croplands Dealer shall repair or replace, at Croplands option, without
charge for parts and labour any part of the Croplands product, which fails because of defects in material or
workmanship. The Owner must provide the authorised Dealer with prompt written notice of the defect (within
14 days of its occurrence), and allow reasonable time for replacement or repair. Repair may, at Croplands option,
include the replacement of parts with functionally equivalent reconditioned or new parts. Replacement parts will
be warranted for the balance of the original warranty period or for ninety (90) days, whichever is longer.
Croplands (at its option) may request failed parts to be returned to the factory. Any travel time of a service
technician and/or transportation of the Croplands product to the authorised servicing Dealer for warranty work
are the responsibility of the Owner.

IMPLIED. The remedies of the Owner set forth herein are exclusive. CROPLANDS neither
assumes nor authorises any person to assume for it any other obligation or liability in
connection with the sale of covered machines. Correction of defects, in the manner and for
applicable period of time provided above, shall constitute fulfilment of all responsibilities of
CROPLANDS to the Owner, and CROPLANDS shall not be liable for negligence under contract
or in any manner with respect to such machines. IN NO EVENT SHALL THE OWNER BE

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Conditions of Warranty
1. The warranty is not transferable.

2. The Warranty Registration Form must be returned to Croplands by the Owner Operator within 14
days of taking delivery of the unit. Only when warranty registration is completed and returned, can
Croplands fulfill all warranty obligations.

3. Schedule of components and conditions not covered by warranty are:

Abuse                   Failure resulting from neglect, such as improper operation, lack of required maintenance
                        or continued use of a sprayer after the discovery of a defect which results in greater
                        damage to the unit.
Environmental           Deteriorated or failed components such as: diaphragms, O-rings, hoses, seals, electrical
Conditions and          wiring and connections damaged by corrosive chemicals, dirt and sand, excessive heat or
Application             moisture. Owners should en sure the type and strength of chemicals used in the sprayer
                        are compatible with the design of the unit.
                        Warranty determination for these types of failures will be made by Croplands only after
                        inspection of failed components. In most instances these will incur inspection charges and
                        cost of replacement parts.
Normal Wear             Normal wear and consumable items such as: oils and lubricants, diaphragms, filter
                        elements, flow meters, clutches, fan belts, drive belts, pivot pins, paint, light bulbs and
                        nozzles are considered to be normal wear items and are not warranted.
Maintenance             Component failure caused by not performing scheduled maintenance service such as:
                        oils, grease, failure to clean tanks, pumps, filters, spray lines, nozzles or any other blocked
                        components. Not tightening or replacing loose or missing bolts, nuts, fittings, shields and
Damage                  Damages or machine failure caused by carelessness or accidental damage, improper
                        operation, excessive speed during travel and operation, inappropriate transportation or
                        storage of the sprayer or attachment.
Power Source            Failures due to faulty or inadequate electrical sources of power. Owners who use their
                        own 12 volt power source must make sure that it is suitable for operating the spraying
Alterations             Any unauthorised alteration, modification, attachments or unauthorised repairs to the
                        Croplands sprayer or attachments. Written approval must be obtained from Croplands for
                        any such items to maintain warranty.
Removal &               The time taken to remove and re-install a warranted part or component into other brands
Installation            of sprayers will not be covered by Croplands warranty. Only parts and labour directly
                        attributable to the repair of the Croplands unit is covered.
Clean-up Time           Croplands do not pay for cleaning the sprayer, parts, accessories or work area before or
                        after the warranty repair. Clean-up time is affected primarily by the application or
                        conditions in which the sprayer is operated and maintained. Since clean-up time can be so
                        variable, cleaning time should be considered a customer expense.
Transportation          Warranty does not cover transportation or insurance costs for sprayers or other equipment
                        needing repair or re placement of warranted components. Nor does it cover any freight or
                        insurance costs in obtaining new parts or returning old parts to Croplands for inspection
Costs                   Warranty does not cover time required to diagnose a warranty problem. Diagnostic time is
                        affected greatly by the training and expertise of the technician employed to do the job.
                        With proper training of service personnel, diagnostic time should be at a minimum.
Diagnostic Time         Croplands expects that Dealers will assign a well trained and proficient technician to
                        handle any warranty repairs. Since Croplands is not in control of either of these
                        responsibilities, we elect not to cover diagnostic time.
Non-Genuine Parts       Use of parts other than Croplands parts for repair of warranted parts will automatically
                        negate any warranty. Warranted components must be replaced with genuine Croplands
                        repair parts.
Unauthorised            Repairs by an unauthorised agent will automatically forfeit any warranty. An authorised
Repairs                 Croplands Dealer must carry out warranty repairs.

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Warranty Registration Form: Owners Copy

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Warranty Registration: Croplands copy
Please note: This copy must be signed and returned to Croplands as stated in the warranty

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                                             Date Purchased:             Serial Number:
Pre Delivery Check List
The Pre-Delivery Check List must be completed by the Dealer & signed by both the Dealer
and the Owner. Croplands will request a copy of the pre-delivery checklist for their records.

Tick each box to affirm completion                     Tick each box to affirm completion      
Operators manual supplied                               Chemical Mixer (if fitted)
 - Linkage                                               - Undamaged
 - Controller                                            - Hoses & fittings sealed
 - Boom                                                  - Check operation
Frame                                                   Agitation
 - Undamaged                                             - Agitators working
 - Pins supplied                                         - Joints & hoses sealed
Tank                                                    Pressure lines & filters
 - Undamaged                                             - Undamaged
 - Check lid seals correctly                             - Filters clean & sealed (if fitted)
 - Basket strainer in place                             - Hoses not rubbed or kinked
Boom & Lift Device                                      Suction probe (if fitted)
(if fitted)                                              - Undamaged
 - Undamaged                                             - Hoses & fittings sealed
 - Check winch if fitted                                 - Check probe operation
 - Mounts tight                                           - Caps & plugs in place
 - Folds, unfolds correctly
 - Wings aligned                                        Suction lines & filter
 - Height correct on frame                              - Undamaged
 - Grease points greased                                - Hoses not rubbed or kinked
 - Nozzle spacing correct                               - All joins sealed
 - No leaks                                             - Filter clean & sealed
 - Hoses not kinked or rubbed
Pump                                                    Nozzles
 - Check mounts                                         - Undamaged
 - Check oil level                                      - Nozzle filters clean
 - Check air chamber pressure*                          - Correct type fitted
 - Check operation                                      - Caps sealed
*See pump information for correct pressure              - Non-drip working
PTO shaft                                               Foam Marker (if fitted)
- Safety covers & chains in place                       Connect power to battery
- Cut to correct length                                 Check all hoses for kinks
- Universals and sliding tube lubricated                Check Sealing of all joins
                                                        Check operation
Spray Controls                                          Decals
For electric controls, connect power                    Undamaged
Check operation                                         Appropriate decals in place
Fresh water tank (if fitted)                            Hose Reel & gun (if fitted)
Check operation                                         Undamaged
Fill with fresh water                                   Check operation
Airbag Boom suspension (if fitted)                      Dealer:
Check all bolts are tight                               ……………………………………………
Ensure markings are aligned with boom                   Dealer Signature:
Owners Name:                                            ……………………………………………
                                                        Owners Signature:

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Section 2: Safety Information

Rules for Safe Linkage Sprayer Operation
      Always read your sprayer operator’s manual thoroughly before operating. Accidents occur
       every year because of careless use of farm chemicals and farm machinery. You can avoid
       these hazards by observing these safety instructions.
      Dispose of all chemical containers as per instructions on label. Failure to do so could result in
       contaminating the environment with chemicals.
      Inspect hose and hose connections daily. Always wear rubber gloves when tightening
       connections. Damaged, loose or worn hoses could result in operator being exposed to toxic
       chemicals, which could result in serious illness or faulty sprayer operation.
      Always use the proper application rate. To assure proper application rate calibrate sprayer
       correctly. The wrong application rate of a pesticide concentration that is too high may
       expose the operator and the environment to danger.
      Be sure to disconnect all power connections (if applicable) before attempting welding
      Always wear relatively tight and belted clothing to avoid entanglement in moving parts.
       Failure to do so could result in serious injury.
      When working on your sprayer, always stay out from under the sprayer unless it is resting on
       the ground or supported on solid blocks. Hydraulics or jacks could fail letting the sprayer fall.
       This could result in pinning or crushing of personnel. ALWAYS have the booms folded and in
       the parking position when working on the sprayer.
      Check the entire sprayer, prior to each use, for any loose bolts or mechanical connections.
       These precautions can prevent injury to personnel and damage to equipment.
      Use only genuine Croplands parts for any necessary replacement. All parts are important to
       the equipment design. Homemade parts may look the same but might be dangerous in
      Follow the chemical manufacturer’s precautions before cleaning the sprayer. Exposure to
       chemicals could result in serious illness or death.
      Always wear gloves and wash the machine before doing any disassembly repair work.
       Chemical residues on the machine parts could contaminate operator or service personnel
       causing serious illness.
      Always relieve system pressure before doing any work on the machine. Failure to do so could
       cause operator to be exposed to high pressure spray of chemical resulting in serious injury or
       machine damage.
      Always be sure all guards are properly installed on machine before operating. Failure to do
       so could result in entanglement in moving parts resulting in serious injury to operator.
      Always keep PTO guards in place. Failure to do this might result in entanglement. This is a
       leading cause of serious accidents & death on farms.
      Do not ride on machine when in motion. This is an unsafe practice and can lead to serious
       injury should the rider fall from the sprayer or tractor.
      Always replace warning decals when damaged and make certain operator understands
       proper safety practices.
      Always stand well clear of sprayer when operating. Any particle or spray drift is dangerous
       and may be hazardous to humans.
      Do not disconnect any hoses nozzles or filters while sprayer is operating. Disconnecting
       components while under pressure will result in uncontrolled spray discharge, which may be
       hazardous to humans.
      Should any welding be required on the steel parts of the sprayer, always clean the linkage
       sprayer and disconnect the power before doing any repairs. Cover rubber hoses, and all
       other flammable parts. Keep a fire extinguisher near the sprayer when welding. Have good
       ventilation when grinding or welding painted or galvanised parts. Wear dust mask when
       grinding. Toxic dust or gas can be produced.

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Safety Decals

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Safety with Chemicals

  Safety must be an Integral Part of Chemical Farming Operations, not
                        Just an After Thought!

The Hazard
All agricultural chemicals or pesticides, as they are commonly called, are biologically active. When
handled incorrectly or carelessly, they can be dangerous to all living organisms such as humans, birds,
fish, bees, domestic animals and plants.
Method of Pesticide Entry
       Oral - Direct by drinking, splashing into mouth, eating and smoking with contaminated
        hands, eating sprayed produce, cleaning nozzles with mouth.
       Inhalation - Nose, mouth, but predominately the lungs.
       Dermal - Absorption through the skin. Increased when skin is broken or perspiring.
       What protective clothing and equipment is needed?
       Know the correct first aid/safety in case of poisoning.
       Seek medical advice if chemicals affect health.
Mixing the Product
       Reduce or eliminate operator contact by using closed loading systems, auto fillers, wettable
       powder mixtures or wettable dispersible granules.
       Use the right protective clothing when handling the concentrate. The user is at greatest risk
        when handling chemical in concentrate form.
       Open bags carefully. Cut to open, do not tear.
       Do not stir chemicals with hands or arms.
       Choose the mixing site carefully & the fate of the probable residues.
       Do not mix more spray solution than is needed and avoid needless disposal of unwanted
Rate of Absorption
       While pesticides are absorbed more completely orally and by inhalation, greater exposure
        and more poisonings occur through skin (dermal) contact.
Hazard and Chance of Poisoning
       The hazard and chance of poisoning is much higher when handling pesticides in concentrate
        form than in the dilute form.
Safe Handling - Know your Pesticides:
       STOP!! Read the label
       Is it the right pesticide?
       What is its poisons schedule or toxicity?
       What safety precautions are required?
       What is its persistence and withholding period?
       What is its mode of action?
       Will it be a hazard to neighbouring crops and people?

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Plan your Spray Route
      Observe weather conditions, especially wind direction & speed.
      Try to travel across wind and into untreated crop.
      Prevent double or over spraying.
      Prevent or minimise drift onto other crops, workers, etc.
Disposal of Unwanted Pesticides and Containers
      Calibrate correctly to ensure you do not have a large quantity of unwanted spray left over.
      Rinse empty containers and pour residue into the spray tank.
      Dispose of containers in the correct manner and where provided, use pesticide drum
       disposal schemes.
      Change out of protective clothing and shower as soon as possible after spraying.
      Wash before eating, drinking or smoking.

      Provide clean water at filling site and on sprayer in case of field contamination.
      Wash and clean respirators regularly.
Keep Sprayers and Safety Equipment in Good Working Condition
      Replace hoses and fittings when they leak.
      Clean sprayer regularly.
      Replace respirator filters regularly.
      Do not use worn, faulty or contaminated safety equipment.
      Store pesticides in a locked, well-ventilated store.
      Do not pour pesticides into other containers; especially not drink containers.
Pesticide Free Tractor Cabs
      Ensure the cab filter is adequate for the pesticide used.
      Be careful not to contaminate the cabin environment.
      Cabin filters alone are not adequate when the operator is required to leave the cab to refill
       the sprayer. Safety equipment used outside the cab should not be stored in the cab.
Protective Safety Equipment
      The amount and type of protective clothing and equipment is determined by the type of
       chemicals, degree and duration of exposure, weather conditions and application equipment
       used. Read and follow the direction on the label. Over protection can be uncomfortable and
       unnecessary. A respirator left hanging around your neck is useless.
      Croplands’ calibrated, easy-pour 1, 3 and 5 litre measuring jugs and 25 litre chemical mixing
       bucket are practical, easy to clean, U.V. resistant and chemical resistant.
      Cover as much of the body as possible, especially the neck, chest and forearms. Use
       washable fabric overalls, disposable overalls or preferably waterproof clothing especially
       when coming in contact with large quantities of pesticides. Wear the trouser legs out side
       the boots.
Gloves and Boots
      Never use leather or cloth materials because they absorb pesticides and provide a constant
       source of contamination. Gloves should be un-lined for this reason. Croplands Nitrile
       Chemical Handling Gloves are recommended.
Head & Face
      Hard hats, washable hats, goggles, spray helmets and face shields are important when
       handling concentrates. Croplands Spray Goggles feature sealed, anti-fog, double lens goggles
       for practical, comfortable eye protection. Croplands Kasco Spray Hood is fully approved by

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       Choose the correct type and have the correct cartridge fitted. Re place cartridges regularly
        and write the date on each cartridge. Ensure there is an adequate fit to the face. Croplands'
        respirators are recommended for most spraying applications.
Operator Safety
       When handling pesticides, always use elbow-length gloves, long clothes and above all, a
        respirator. If you and your clothing become contaminated with spray, DO NOT WORK ON.
        Stop work; remove clothing and wash affected areas thoroughly with soap and water. Put
        fresh clothing on before starting again. Ensure that contaminated clothing is washed
        thoroughly before being used again.
       Don’t guess when choosing protective equipment. Feel free to call Croplands and make use
        of our safety database for comprehensive information on safety, handling and storage
        exposure levels, symptoms, health effects, first aid and personal protection.
Spraying Precautions
       Agricultural chemicals applied under unfavourable weather conditions or from poorly
        adjusted and operated equipment can cause damage due to run-off and/or drift problems.
       Crops and pastures are more susceptible to spray drift of herbicides while people; stock and
        water supplies are generally more susceptible to insecticide drift. Pollution, crop damage and
        the potential health hazards are some thing agriculture can ill afford. It is simply not
        acceptable, socially or environmentally. Additionally, pesticide, which drifts or runs off the
        target, reduces the efficiency of the pesticide on the target. Spray failures are a waste of
        money and effort.

   1.   Be SURE the equipment is functioning correctly. Check that nozzles are in good condition.
        Check all other aspects of machine operation are correct.

   2.   Be SURE pesticides are mixed thoroughly and according to the label.

   3.   Be SURE the recommended registered pesticide is used for the job at hand.

   4.   Be SURE pesticides are applied at recommended rates.

   5.   Be SURE only target plants are sprayed.

   6. Be SURE to follow the safety precautions on the label.

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Section 3: Sprayer Specifications

Croplands tanks are constructed from a UV stabilised, medium density polythene for low distortion
qualities and impact resistance. Tanks come with a calibrated sight gauge, with capacities of 500, 700
and 1000 litres. A screw down lid is installed on all models and comes standard with a basket strainer.
Agitation is provided by a constant bypass system back to tank though a venturi is optional on some

Croplands uses positive displacement oil-backed diaphragm pumps. The size and output of pumps
vary depending on the machine specifications ordered. Each machine has a tag on the pump to
identify model fitted. The maximum operating pressure is shown below at a PTO output of 540 rpm.
Do not exceed the maximum PTO output of 540rpm.

                                              Max L/min        Max Press.
                            AR70Bp               72             20 bar
                            AR115Bp             114             20 bar
                            AR135Bp             132             20 bar
                            AR30                 35             40 bar

A 540 rpm PTO shaft with safety shields.

Standard Croplands linkage sprayers come with a manual bypass control with a screw type pressure
regulator valve (PRV) that has been pressure tested before leaving the factory. A glycerine filled
pressure gauge is fitted, with 2 – 6 control outlets depending on sprayer model. A pressure
compensating bypass is fitted on LP model sprayers. If an electric or automatic rate controlled is
fitted, refer to the manufacturer’s manual provided.

Refer to the table for filtration point information. Other combinations are available to order.

                            Tank lid strainer                 18 mesh
                            Suction filter                    50 mesh
                            Boom nozzle strainers             50 mesh
                            Optional in-line pressure         100 mesh

Frame and Hitch
Croplands linkage frames are built from heavy duty galvanised steel. Category I and II pins are used on
500 and 700 litre models. Category II and III are used on 1000 and 1200 litre models.

Optional Guidance
Foam Marker – Compact double-sided 20L capacity model or RHS R-M2012 high capacity for 1000L

All units fitted with hose reels are fitted standard with a Turbo400 gun, rated from 2 to 50 bar

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Boom Options
Manual folding, horizontal fold booms
Blockmaster – 3, 4 & 6 metre galvanised boom, polyethylene boom tubes, TipCap nozzles & non-drip
nozzle bodies
Fieldmaster - 6, 8, 10 & 12 metre galvanised boom, stainless steel boom tubes, TipCap nozzles & non-
drip nozzle bodies. 8, 10 & 12 metre have flip-over outer wings.
Compact HO series - 12, 16 & 18 metre epoxy coated boom, stainless steel boom tubes, TipCap
nozzles & non-drip nozzle bodies. Flip over outer wing sections.

Manual and hydraulic crossover fold booms
Acremaster - 10 & 12 metre galvanised “X-fold” boom, dry boom plumbing, non-drip nozzle bodies &
TipCap nozzles.
HydraLink - 12 & 15 metre hydraulic “X-fold” galvanised boom, stainless steel boom tubes, TipCap
nozzles & non-drip nozzle bodies. Integral self-leveller with manual lock fitted. Breakaway on outer
arms as standard.
MEC series hydraulic “X-Fold” epoxy coated booms, 6, 8 & 10 metre available. 8 & 10 metre versions
have flip-over outer wings to achieve 8 & 10 metre widths respectively.

Hydraulic side folding booms
Compact 12, 16, 18 & 21 metre hydraulic gull-wing, side-fold; epoxy-coated booms with stainless steel
boom tubes, TipCap nozzles & non-drip nozzle bodies. Integral self-leveller with auto-cable lock fitted.
Wing-lift is also optional on some models.

Under-tree and vine booms
MSC/MSOC covered boom for vines or trees, left, right, double sided & centre section covers
available. Treeliner under-tree boom, adjustable width with breakaway tips fitted.

Boom suitability

                                                500L     700L    1000L
                                Blockmaster                      
                                Fieldmaster                      
                                Acremaster        X               
                                CompactHO         X               
                                Hydralink         X               
                                GEX Series                       
                                New E             X       X        
                                Treeliner                        
                                MSC/MSOC                         

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Section 4: Operation

Hook up and PTO information.

Connecting to the tractor
Croplands linkage sprayers have models to suit Categories I, II and III connection. 500 & 700 litre
models have Cat II for the lower linkage arms, and Cat I for the top link with sleeve if your tractor has
Cat II. The 1000 litre linkage sprayer has a clevis-type Cat III hitch for the lower arms and Cat II for the
top link.

Depress PTO locking pin and remove from the sprayer. Lower the tractor linkage arms and attach the
sprayer’s lower hitch pins, using the suitable category for your setup. Now connect the upper linkage
arm to the tractor using the tractor linkage pin at the top. Make sure all hitch pins are in place and
secure with the lynch pins provided. Lift the tractor linkage up to the level you wish to spray at. Now
you can adjust the length of the top linkage arm to level the sprayer.

Clean off and re grease the splines on the sprayer and tractor stub shafts. Put the PTO onto both
splines making sure the spring loaded locking pins click into place and is completely secure on the
splines. Attach the PTO shaft guards to the tractor. Your Croplands sprayer dealer is responsible for
correctly setting and installing a new PTO shaft. This can involve cutting the shaft to length to
ensure correct, safe operation. This information is for reference purposes only.

Position the linkage to the closest operating distance from the tractor. Make sure the telescopic shaft
travel at each end is no less than 25mm. Raise and lower the sprayer to check that the tubes of the
PTO overlap by at least 1/3 of their length, and no not less than 150mm, in all operating positions.
If the PTO shaft is too long, ensure the dealer cuts the shaft to the correct length. Before putting the
PTO back together, remove all burring and filings and completely clean and re grease the shaft to
prevent potential damage or failure. Ensure the PTO guards are re assembled correctly.

Start up
After the Delivery checklist has been done, it is advised that a water test be done to check for leaks
and to familiarize yourself with your new machine. These checks have been conducted in the factory,
however there is a chance that transit could have loosened some fittings. Running the machine with
fresh water is a good safe way to calibrate and learn about your sprayer, and set your sprayer up
properly to maximize results in the field.

Check all of the individual parts before operation. Check the pump oil level before operating the
sprayer. You can use SAE 20/40 multi grade engine oil to top up the oil. The Suction filter is either
fitted with a shut off valve (yellow removable twist plug), or with a 3 way ball valve to shut off the
flow in the suction line before the filter. This allows you to clean the filter mesh while there is fluid in
the spray tank. Always use gloves when handling filters. Ensure the ball valve or shut off valve is
positioned correctly before continuing to spray.

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If manual controls are fitted, make sure the Pressure relief valve is backed off prior to engaging the
PTO. Read the operators manual that has been provided with any additional electrical or auto rate
controllers. Engage the PTO drive and run sprayer up. Increase the tractor PTO speed up to 540rpm
and set the PRV to the desired spraying pressure. Maximum pump pressure will depend on the model
fitted, usually 20bar (290psi) or 40bar (580psi). Most booms with standard nozzles will spray in a
range from 1 – 4 bar. You can now operate the machine by turning on the appropriate device at the
controller. When using a boom you can usually reduce PTO speed while maintaining enough pressure
for nozzles to apply chemical properly. This can reduce fuel costs and help prevent wear on
components. Check the pump air pressure is 10 – 20% of your standard operating pressure and adjust
if needed.

ARUCM Controller operation

A four outlet control unit is used, on most models. The main on/off lever “A” will be used in most
instances, and when liquid supply to the boom or nozzles is closed, all liquid will be bypassed to the
tank. System pressure is regulated by turning the red (or on some valves black) knob “B” and by
observing the reading on the pressure gauge (D”). Turning the knob clockwise increases the pressure
and turning anticlockwise decreases pressure. The pressure can only be accurately set with the boom
lines open and the master lever open.

Fluid is directed to the boom lines or other spraying devices by the outlet valves “C” which may be
operated individually. The outlet valves are marked with a “0” or a “1” to indicate if they are on or off.
If you wish to stop spraying but leave the tractor PTO running, either the master on/off lever or the
individual taps can be used. For a parts breakdown see the controller manual provided.



                              A                                        C

Idrominus Control Unit (ARIDROM)

The Idrominus control is a pressure-compensating unit, which provides a constant flow rate if the
tractor PTO speed changes by up to 15%, thus maintaining a constant application rate. It also
maintains constant pressure when individual outlet valves are opened or closed. The unit is supplied
with four outlets.

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ARIDROM Operation

Before starting the pump, ensure the main pressure compensator knob, “B”, is fully adjusted anti-
clockwise so there is no pressure in the system.

1. Set the main by-pass control lever to pressure mode (lever “A” down). Ensure all the boom section
valves, “C”, are OFF (with the “0” showing – levers in the down position)

2. Start pump and bring to working PTO speed. Adjust the system pressure with the compensator
knob, “B” by turning clockwise until 4-6 Bar is showing on the gauge, “D”. This is done in preparation
for setting up the individual compensation of the boom valves in the following steps.

3. Open the first boom section valve “C” and note the pressure reading on the gauge. Close this valve
and adjust the small compensator knob “E” to ensure the bypass pressure matches the pressure that
was showing when liquid was going through this boom section.

4. Repeat step 3 for the remaining boom section valves, one at a time.

5. Open all the boom valves and then adjust the main compensator knob “B” to the pressure you
want to spray at (usually between 2 & 4 Bar). Also test the operation of each individual boom valve by
turning them on & off in sequence. Pressure between on & off on the gauge should not change.

6. Spraying can now be started and stopped by moving the by-pass lever “A” between pressure and
by-pass positions. Individual boom lines can be switched on & off with the section valves, “C”.

7. Stop the pump and check that the filter “F” is clean. This will need regular checking.

                           E                                    D


                                    C           B               A

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Spray guns and hose reels
A variety of spray guns and hose reels are available for use with Croplands linkage sprayers.
A hose reel may be mounted to the side or rear of the sprayer frame with the inlet end of the hose
connected to one outlet of the control unit. When fitted standard, the reel contains 30 metres of
10mm hose at a pressure rating of 20 Bar. The hose reel can hold up to 50 metres of 10mm spray
hose. For any unit has a 40-bar pump fitted, the spray hose will have the corresponding higher-rated
pressure hose fitted.

 The standard gun fitted on the croplands hose reel is a Turbo400 gun, rated up to 50 Bar pressure.
Other options include:
      TeeJet® range of spray guns
      Spot Gun 300
      RL10 spray lance
Talk to your dealer if you want a different spray gun for a specific purpose. To operate the Turbo400
spray gun, start the sprayer and have pressure available in the system. Ensure the tap corresponding
to the spray line going to the gun is in the on position. Squeeze the main trigger adjacent to the
handle and aim the gun at the plant to be sprayed. Adjust the spray pattern with your thumb by
pushing the orange side-lever up or down. For a fine “fog” spray, the widest angle should be selected
using the side-lever, then the orange end-cone should be adjusted to slide out as far as possible on
the gun barrel. This is ideal for very fine spraying such as fungicide application in nursery plants etc.
     1. NEVER aim the spray gun at anyone
     2. ALWAYS shut the system off when you are not using the spray gun
     3. ALWAYS ensure your spray application is not drifting beyond the target
     4. NEVER operate the gun beyond the pressure capability of the system

Secure the gun on the spray unit and roll up the hose when the job is finished.

                                           Turbo 400 spray gun.

Spray Booms
A variety of booms may be used with Croplands linkage sprayers depending upon the model and field
application. All have non-drip nozzle bodies with flat fan nozzles. Booms are part of the standard
equipment on some models, in some cases they may be installed by the dealer or owner. On all types
of boom, the setting of the correct operating height is most important to achieve a uniform spraying
pattern. This needs to be at a height above the target which will achieve 50% overlap of the spray
from adjacent nozzles.
On most Croplands’ linkage units, there are three filtration points.
1. Basket filter – used to ensure any larger debris is filtered out while filling through the lid
2. Suction filter – prior to the pump there is a suction filter, standard with a 50-mesh element, to take
out any particles that may cause blockages further on in the system. This filter will need regular
cleaning and checking. Completely clean this filter every time you have finished spraying so your unit
is ready to go next time you need it. Lubricate the o-rings and the main seal with o-ring grease or
Vaseline to ensure a perfect seal.
3. Nozzle filters – each nozzle body will have a filter under the nozzle. These will need regular
checking and cleaning. Pressure filter(s) – the Idrominus and the I-E electric controllers have a
pressure filter as part of the manifold. These will also need checking and cleaning at the end of the
spraying day, or if they block during operation. Individual boom line filters are a good alternative if
you are experiencing problems with dirty water or constant nozzle blockages

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Section 5: Spraying information.
This section also provides information relevant to
Calibrations in section 6.

When to spray
Spraying results are best when the wind speed and the
temperature are low but the relative humidity is reasonably
high. An ideal time is at sun up or nearing the end of the day
when these conditions are more likely to occur. For more
information, contact Croplands about our SprayWise®
program. Also, the use of the WINDMATE™ Wind meter would
be of excellent value to anyone doing regular spraying.

                                                     Field patterns

                                                    For the best coverage, spray two swath widths
                                                    around the outer perimeter of the field as
                                                    shown in the diagram. This establishes a good
                                                    headland and will give you adequate room to
                                                    turn around. Turn the booms off when you
                                                    come back on to the headland to prevent over
spraying and wastage. Using a guidance system such as GPS or foam markers can prevent overlaps
and ensure you get better coverage.

Ground Speed

Modern tractors should have sufficient speed accuracy for sprayers of this size. To check the speed,
fill the tanks and open the boom to simulate usual spraying conditions. Measure out 100 metres and
count the time it takes to travel the distance. Use the formula

Speed = 360 ÷ time in seconds to cover 100m

Spray Quality
Spray quality is becoming extremely important for the correct application of chemicals. Refer to your
advisor, local DPI or check the Croplands Buyers Guide for more information. Many chemical labels
now specify the spray quality required for the product being used.
Loosely, spray quality falls into a droplet range of:
      Extremely Coarse
      Very Coarse
      Coarse
      Medium
      Fine
      Very fine
Most spray applications will fall into the Medium to Very Coarse range, depending on the application.
Talk to a qualified Agronomist or Advisor if uncertain.

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Nozzle spacing and height

Nozzles overlap should be 50% at the point of contact with the spraying surface. Croplands booms
operate with a nozzle spacing of 500mm with nozzles slightly offset to avoid interference. Nozzles can
be supplied with 80 and 110 angled patterns. The recognized height to achieve the required 50%
overlap is 600mm for 80 and 400mm for 110 nozzles but a 50 – 80mm variation is acceptable
without a noticeable effect.

Nozzle pattern and uniformity

Your nozzle spray patterns, overlap and uniformity need to be monitored and can be tested in the
following manner. Keep a spare new nozzle to with which you can compare the other nozzles on your
unit. Place the new nozzle at a central point on the boom and fill the tank with fresh, clean water and
switch the boom on. Examine the spray patterns against a dark background and replace any that
show signs of damage or sufficient wear as shown below.

Application Rates and Variables

Your sprayer’s application rate is affected by the speed of travel, the size of the nozzle and your
operating pressure. These are part of the spraying variables. These variables need to be correct to
ensure optimum performances from your Croplands sprayer.

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Section 6: Calibration
   1.     Check all equipment is in good working order as explained in the Spraying information above

   2.     Determine the actual speed of travel using the tractor speed or the 100 meter formula as
          explained in ‘Ground speed’ in the spraying information.

   3.     Measure the nozzle spacing and multiply nozzle spacing by the number of nozzles on each
          boom section to establish the width of each boom section.

                                                eg, 0.5m x 12 = 6m
                                                 0.5m x 12 = 6m
                                                 0.5m x 12 = 6m

   4.     Select Nozzle Type & Size according to:
           • Chemical recommendations.
           • Application rate required.
           • Pressure setting.
           • Swath width.
           • Chosen speed of travel. (Use actual speed of travel, refer to step 2)

          Two methods of selecting nozzle output are:
            a) Use the manufacturer’s nozzle chart
            b) Calculate Required Nozzle Flow rate if you know:
             • the application rate required (eg 50 l/ha),
             • speed of travel (eg 12km/hr),
             • swath width (eg 18m), &
             • the number of nozzles on the boom (eg 36).
        The following formula can be used to establish required flow rate per nozzle:

                                       Nozzle Flow Rate (l/min) =
                                   Speed (km/hr) x Swath Width (m)
                                    x Application Rate (l/ha) ÷ 600 ÷
                                           Number of nozzles

                                      eg, [(12 x 18 x 50) ÷ 600] ÷ 36
                                       = 0.5 l/min for each nozzle

   5.     Fit the selected nozzles to the boom as per the nozzle manufacturers specifications

   6.     Check the nozzle accuracy as outlined above in spraying information

   7.     Add the correct amount of chemical to the tank as per the directions on the chemical label

   8.     Adjust the boom height to suit your nozzles as explained in the Nozzle section in spraying
          information above.

   9.     Don’t forget to record your data for future reference.

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Section 7: Lubrication and Maintenance
Daily Sprayer maintenance
Warning: Make sure the tractor is switched off, the machine is lowered to the ground and the PTO
drive shaft is disconnected. In the first few days of sprayer usage, thoroughly check the machine
before starting each day of spraying. Check all nuts and bolts and check plumbing for leaks. Grease
the PTO shaft at the time intervals shown on the diagram below. The diagram is only a guide, greasing
may need to be more frequent if spraying under extreme conditions.

Check the oil level on the pump sight gauge and top up with SAE 20/40 multi grade engine oil if
It is important to clean filters daily as they can have a major impact on your sprayer’s performance.
Wash them out with a soft brush and constantly check for holes or tears. Clean the suction filter every
time the tank is filled and at the end of the days spraying. Make sure O rings are in good condition
and grease them with O ring grease in necessary. Clean out nozzle filters if installed.
Spray lines
Never leave chemicals in the tank or the pump. Rinse the tank out completely with fresh water and
operate machine to clear all spray lines.

Annual sprayer maintenance

General sprayer care
When spraying season has finished, clean the machine completely and flush all the lines clean. Do not
leave water in the machine, particularly in cooler climes as this can freeze and ruin the pump. Check
all electrical fuses as these can easily blow if corroded in the off season.
Flush and drain the pump completely before storage. Check the valves and diaphragms for wear and
damage before the start of the new season. Set the air pressure in the chamber to around 10 – 20% of
the usual operating pressure. Drain the oil before the commencement of the next season and replace
completely with new oil (SAE 20/40 multi grade engine oil).

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Section 8: Tank and Frame parts

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