TM-9-2350-311-20-2

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS

DECEMBER 1993

TM-9-2350-311-20-2 - Page 335 of 828

TM 9–2350–311–20–2

6–19

6–5

POWER PACK SOLENOID

This task covers:

a.

Removal

b.

Installation

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180–95–CL–A12)

Materials/Parts

Gasket (item 180, Appx G)

Lockwashers (4) (item 182, Appx G)

Equipment Condition

Tow cable and cab access cover removed (para 14–11)

Discharge hydraulic pressure (para 6–3)

CAB POWER switch to OFF (TM 9–2350–311–10)

Vehicle MASTER switch to OFF (TM 9–2350–311–10)

a.

Removal

1

Disconnect wire 625A (1) from power pack solenoid (2).

NOTE

Remove power pack solenoid with care, as spring-held spool is held in body by power pack sole-

noid.

2

Remove four socket head cap screws (3), four lockwashers (4), power pack solenoid (2), and gasket (5).

Discard lockwashers and gasket.

b.

Installation

1

Install new gasket (5), power pack solenoid (2), four new lockwashers (4), and four socket head cap screws

(3).

2

Connect wire 625A (1) to power pack solenoid (2).

2

1

4

3

2

5