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 328 of 828

TM 9–2350–311–20–2

6–12

6–3

POWER PACK, HYDRAULIC (DRAINING, FILLING AND CHARGING) — CONTINUED

c.

Filling

1

Fill power pack reservoir with hydraulic fluid at power pack gage opening (17) (para 2–9).

2

Check power pack gage (18) for fluid level. Fill to FULL AT 0 PRESSURE mark (19). If power pack reservoir

is overfilled, go to step 3.

3

Loosen plug (20) at sight gage (21).

4

Turn pointer handle (22) to DRAIN position.

5

Check fluid level in tube (23) on sight gage (21). When fluid level reaches FULL AT 0 PRESSURE mark

(19), turn pointer handle (22) to GAGE position and tighten plug (20).

18

19

23

17

22

21

20

25