Hydraulic Motor Replacement

TM 9-2320-363-34-1 · Chapter 11 — Winch Maintenance

This task covers:   a. Removal b. Cleaning c. Inspection d. Installation

Applicable Configuration:                           Equipment Condition:

M916A1 and M916A2                                   Reference                Condition Description

Tools and Special Equipment:                        TM 9-2320-363-20         Winch Hydraulic
                                                                             Oil Tank Drained
Shop Equipment, SC 4910-95-CL-A31
Tool Kit, SC 5180-90-CL-N05                         General Safety Instructions:

Materials/Parts:
Packing (2)                 P/N 58864 9962                           WARNING
                                                           Adhesives, solvents, and
Gasket                      P/N 58864 1162                 sealing compounds can burn
                                                           easily, can give off harmful
Washer, Lock (6)            P/N 1295
                                                           vapors, and are harmful to skin
Washer, Lock (4)            P/N 1495                       and clothing. To avoid injury or
                                                           death, keep away from open
Washer, Lock (4)            P/N 1144                       fire and use in well-ventilated
Compound, Pipe          Appendix B, Item 15                area. If adhesive, solvent, or
Sealing                                                    sealing compound gets on skin
                                                           or clothing, wash immediately
References:                                                with soap and water.
TM 9-2320-363-20

1. REMOVE SIX CAPSCREWS (1), SIX LOCK WASHERS (2), AND COVER (3). DISCARD LOCK WASHERS.

2. DISCONNECT AND SET ASIDE HOSE (4), HOSE (5), HOSE (6), AND TWO HOSES (7).

3. REMOVE FOUR SCREWS (8), FOUR LOCK WASHERS (9), MOTOR ASSEMBLY (10), AND GASKET (11). DISCARD GASKET AND LOCK WASHERS.

4. REMOVE HOSE (12), FOUR SCREWS (13), COUNTERBALANCE VALVE (14), AND PACKING (15). DISCARD PACKING.

5. REMOVE SWIVEL (16), SWIVEL (17), AND BUSHING (18) FROM FLANGE (19).

6. REMOVE SWIVEL (20) FROM MOTOR (21).

7. REMOVE FOUR SCREWS (22), FOUR LOCK WASHERS (23), FLANGE (19), AND PACKING (24) FROM MOTOR (21). DISCARD PACKING AND LOCK WASHERS.

Use general cleaning methods to clean all parts (page 2-30).

Inspect all parts for wear or damage.

1. INSTALL NEW PACKING (1), FLANGE (2), FOUR NEW LOCK WASHERS (3), AND FOUR SCREWS (4).

2. COAT THREADS OF BUSHING (5) AND SWIVEL (6) WITH PIPE SEALING COMPOUND AND INSTALL BUSHING (5) AND SWIVEL (6) IN FLANGE (2).

3. COAT THREADS OF TWO SWIVELS (7 AND 8) WITH PIPE SEALING COMPOUND. INSTALL SWIVEL (7) ON MOTOR (9) AND INSTALL SWIVEL (8) ON FLANGE (2).

4. INSTALL NEW PACKING (10), COUNTERBALANCE VALVE (11), FOUR SCREWS (12), AND HOSE (13).

5. INSTALL NEW GASKET (14), MOTOR ASSEMBLY (15), FOUR NEW LOCK WASHERS (16), AND FOUR SCREWS (17).

6. CONNECT TWO HOSES (18), HOSE (19), HOSE (20), AND HOSE (21).

7. INSTALL COVER (22), SIX NEW LOCK WASHERS (23), AND SIX CAPSCREWS (24).