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 188 of 828

TM 9–2350–311–20–2

3–77

Replace defective control

handle (para 6–21).

1.

Drain system and discard fluid (para 6–3).

2.

Clean strainer (para 6–4).

3.

Replace filter elements (M109A4/M109A5

howitzers only) (para 6–17).

4.

Fill and charge hydraulic system (para 6–3).

5.

Turn MASTER and CAB POWER switches to

ON.

6.

Operate gunner’s or assistant gunner’s control

handle.

Does handle return to neutral position when released?

C

yes

no

Verify fault is corrected.

Continue normal opera-

tions.

END OF TASK

CONTINUED FROM STEP B