Speed Control Valve Replacement

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

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

                                                    References:
Applicable Configuration:
                                                    TM 9-2320-363-20
M916A1 and M916A2
                                                    Equipment Condition:
Tools and Special Equipment:
Shop Equipment, SC 4910-95-CL-A31                   Reference              Condition Description
Tool Kit, SC 5180-90-CL-N05                         TM 9-2320-363-20       Winch Hydraulic Oil Tank
                                                                           Drained
Materials/Parts:
Washer, Lock (2)            P/N 1395
Washer, Lock (6)            P/N 1295
Packing (2)                 PIN 2507-12-12
Packing                     P/N 0507-12-12

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

2. DISCONNECT THREE HYDRAULIC HOSE ASSEMBLIES (4).

3. REMOVE TWO NUTS (5), TWO LOCK WASHERS (6), TWO CAPSCREWS (7), AND SPEED CONTROL VALVE (8). DISCARD LOCK WASHERS.

4. REMOVE THREE ELBOWS (9), THREE ADAPTERS (10), AND THREE PACKINGS (11). DISCARD PACKINGS.

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

Inspect all parts for wear or damage.

1. INSTALL THREE NEW PACKINGS (1), THREE ADAPTERS (2), AND THREE ELBOWS (3).

2. INSTALL SPEED CONTROL VALVE (4), TWO CAPSCREWS (5), TWO NEW LOCK WASHERS (6), AND TWO NUTS (7).

3. CONNECT THREE HYDRAULIC HOSE ASSEMBLIES (8).

4. INSTALL COVER (9), SIX NEW LOCK WASHERS (10), AND SIX CAPSCREWS (11).

Fill winch hydraulic oil tank (TM 9-2320-363-20).