SERVICE INFORMATION LETTER NO 0137 Page 1 of 7 DATE Septem by jpp19621

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									                                                  SERVICE INFORMATION LETTER NO. 0137
                                                                           Page 1 of 7


 DATE:         September 11, 1995

1. SUBJECT: Authorized Lubrication and Fuels Specifications

2. MODELS: F28A, 280, F28C, 280C, F28F, 280F and 280FX Helicopters

3. EFFECTIVITY: Upon Receipt of this SIL.

4. BACKGROUND:

        This service information letter contains all the required items for lubrication and servicing
        of the above noted Enstrom models. This list supersedes all other previously published lists
        for these models.

NOTE:          Refer to the latest revision of the Lycoming Service Instruction Letters for updating
               of authorized fuels and lubrications for the engine.

5. FUELS:

ENGINE FUEL                    MIL-SPEC               PRODUCT                SUGGESTED
                                                                                MFG.

1. 100/130                     MIL-G-5572             Phillips 66            Phillips Pet.
Aviation Grade

2. 100LL                                              Shell                   Shell Oil
Aviation Grade

ENGINE OIL

3. Mineral                     MIL-L-6082             Aeroshell              Shell Oil

4. Ashless                     MIL-L-22851            Aeroshell W            Shell Oil
Dispersant
                                                      Phillips X/C           Phillips Pet.
                                                      Multiviscosity
                                   SERVICE INFORMATION LETTER NO. 0137
                                                            Page 2 of 7

FLIGHT CONTROL LUBRICANTS

GREASE               MIL-SPEC        PRODUCT          SUGGESTED
                                                        MFG.

5. Grease            MIL-G-25537     Aeroshell 14     Shell Oil

6. Grease            MIL-G-25760     Aeroshell 16     Shell Oil

7. Grease            MIL-G-81322     Aeroshell 22     Shell Oil

8. Grease            MIL-G-81322     Mobil 28         Mobil Oil

9. Grease            MIL-G-18709     ANDOC "B"        Exxon

10. Grease           MIL-G-18709     Marfac 0,        Texaco
                                     00, or 1

11. Grease           MIL-G-23827     Mobil 22         Mobil Oil

                                     ENCO Beacon      Exxon
                                     No. 325

                                     EXXON            Exxon
                                     No. 5114EP

LANDING GEAR OLEOS

12. Oil              MIL-H-5606      TL 5874          Texaco
Hydraulic Oil
                                     XSL 7828         Shell Oil

                                     Aero HFB         Mobil Oil

                                     "PO" 4226        American Oil
                                                      & Supply

MAIN ROTOR DAMPERS

13. Oil                              L-45             Union Carbide
                                     Silicone Oil
                                   SERVICE INFORMATION LETTER NO. 0137
                                                            Page 3 of 7


MAIN ROTOR TRANSMISSION

GEAR OIL             MIL-SPEC        PRODUCT          SUGGESTED
                                                         MFG.

14. Oil              MIL-L-2105      Mobilube         Mobil Oil
                                     No. HD 90

                                     Shell Spirex     Shell Oil
                                     HD 90

                                     Shell EP 90      Shell Oil

                                     Exxon Gear       Exxon
                                     Oil GX 90

                                     Pennzoil         Pennzoil
                                     No. 4096

                                     Mobil 1          Mobil Oil
                                     75W90
                                     Gear Oil

OVERRUNNING CLUTCH

15. Oil              MIL-L-7808      Exxon            Exxon
                                     No. 15

16. Oil              MIL-L-23699     Turbo Oil        Exxon
                                     No. 2380

                                     Aeroshell        Shell Oil
                                     Turbine
                                     Oil 500

                                     No. 220 ATF      Mobil Oil
                                     Fluid

                                     No. B-10103      ENCO Oil

TACH DRIVE CABLES

17. Grease                           No. 2701-109     S.S. White Co.
                                              SERVICE INFORMATION LETTER NO. 0137
                                                                       Page 4 of 7


TAIL ROTOR TRANSMISSION

GEAR OIL                    MIL-SPEC             PRODUCT               SUGGESTED
                                                                          MFG.

18. Oil                     MIL-L-6082           SAE 10W               Shell Oil

                                                 SAE 10W               Texaco

19. Oil                     MIL-L-22851          SAE 20W-50            Phillips Pet.

20. Oil                     MIL-L-2105           Mobil 1               Mobil Oil
                                                 75W90
                                                 Gear Oil

MISCELLANEOUS

21. Anti-Seize                                   GO-JO NO-LOK          GO-JO Indust.
    Compound                                                           Aktron, Ohio

22. Solvent                                      MEK or Acetone


NOTE: Alternate products can be used if they meet the same MIL-Spec listed.
                                           SERVICE INFORMATION LETTER NO. 0137
                                                                    Page 5 of 7

                                   LUBRICATION GUIDE

A. MAIN ROTOR SYSTEM

  Flapping hinge bearings                         Aeroshell 14 grease
                                                  Mobil 22
                                                  Mobil 28
                                                  Enco Beacon No. 325
                                                  Exxon No. 5114EP
  Lead-Lag bearings                               Aeroshell 14 grease
                                                  Mobil 22
                                                  Mobil 28
                                                  Enco Beacon No. 325
                                                  Exxon No. 5114EP
  Feather bearings                                Aeroshell 14 grease
                                                  Mobil 22
                                                  Mobil 28
                                                  Enco Beacon No. 325
                                                  Exxon No. 5114EP
  Dampers                                         L-45 Silicon Oil
  Walking beam to control rod                     Shell Oil-SAE 10W
                                                  Texaco-SAE 10W
                                                  Phillips-SAE 20W/50
  Walking beam pivot bearings                     Aeroshell 14 grease
                                                  Mobil 22
                                                  Mobil 28
                                                  Enco Beacon No. 325
                                                  Exxon No. 5114EP
  Main rotor shaft-upper splines                  Go-Jo Anti-Seize Compound

B. CABIN AREA
  Tail rotor pedal bearings                       SAE Engine Oil
  Trim actuator drive gears                       Aeroshell grease
                                                  Mobil 22
                                                  Mobil 28
                                                  Enco Beacon No. 325
                                                  Exxon No. 5114EP
  Trim actuator attach bearings                   SAE Engine Oil
  Flight control system oilite bearings           SAE Engine Oil
                                            SERVICE INFORMATION LETTER NO. 0137
                                                                     Page 6 of 7

  Clutch control cable                             Aeroshell 14 grease
                                                   Mobil 22
                                                   Mobil 28
                                                   Enco Beacon No. 325
                                                   Exxon No. 5114EP

C. CENTER SECTION

  Idler pulley bearings                            Andoc "B" (Exxon)
                                                   Mobil 28
  Lower jack strut bearing                         Aeroshell 14 grease
                                                   Mobil 22
                                                   Mobil 28
                                                   Enco Beacon No. 325
                                                   Exxon No. 5114EP
  Upper jack strut bearing                         Andoc "B" (Exxon)
                                                   Mobil 28
  Drive belt roller bearings                       Aeroshell 16 grease
                                                   Mobil 28
  Overrunning clutch                               Exxon No. 15 oil
                                                   Aeroshell turbine oil 500
                                                   Turbo oil No. 2380 (Exxon)
                                                   Versilube No. F-50 (GE)
                                                   Mobil 220 ATF
                                                   Enco No. B-10103
  Overrunning clutch bore                          Go-Jo No-Loc Anti-Seize
                                                   Compound
  Forward tail rotor drive shaft coupling          Marfac #0, #00, or #1 grease
                                                   (Texaco)
  Tach drive cables                                No. 2701-109 grease
                                                   (S.S. White Co.)
  Tach drive bearings                              Aeroshell No. 16
                                                   Mobil 28
  Clutch engagement bellcrank                      SAE Engine Oil
  Ground handling wheel bearings                   ANDOC "B" (Exxon)
                                                   Marfac #0, #00, or #1 grease (Texaco)
                                                   Mobil 28
                                        SERVICE INFORMATION LETTER NO. 0137
                                                                 Page 7 of 7

  Engine Oil                                   Mineral oil (Aeroshell)
                                               Ashless dispersant (Aeroshell "W")
                                               Ashless dispersant (Multiviscosity)
                                               (Phillips X/C)
  Injector servo throttle shaft                Shell Oil-SAE 10W
                                               Texaco Oil-SAE 10W
  Transmission, main rotor                     Mobilube HD 80-90
                                               Shell Spirex HD 90
                                               Shell EP 90
                                               Mobil 1 75W90 Gear Oil
                                               Exxon Gear Oil GX 90
                                               Pennzoil No. 4069
  Swashplate bearing-upper                     Andoc "B" (Exxon)
                                               Mobil 28
  Swashplate bearing-lower                     Andoc "B" (Exxon)
                                               Mobil 28
D. TAIL CONE AFT

  Tail rotor drive shaft                       Aeroshell No. 14
                                               Mobil 22
                                               Mobil 28
                                               Enco Beacon No. 325
                                               Exxon No. 5114EP
  Tail rotor pitch change bearing              Andoc "B" Exxon
                                               Mobil 28
  Tail rotor teetering bearings                Mobil 28
                                               Andoc "B" (Exxon)
  Tail rotor feathering                        Aeroshell No. 14
                                               Mobil 22
                                               Mobil 28
                                               Enco Beacon No. 325
                                               Exxon No. 5114EP
  Tail rotor control yoke                      SAE Engine Oil
  Aft tail rotor drive shaft coupling          Marfac #0, #00, or #1 (Texaco)
  Transmission, tail rotor                     Shell oil - SAE 10W
                                               Texaco oil - SAE 10W
                                               Phillips - 20W-50
                                               Mobil 1 75W90 Gear Oil

								
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