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 323 of 828

TM 9–2350–311–20–2

6–7

6–2

POWER PACK, HYDRAULIC (FLUID LEVEL)

This task covers:

Checking Fluid Level and Adding Fluid

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180–95–CL–A12)

Materials/Parts

Hydraulic fluid, OHT (item 21, Appx D)

Personnel Required

2

Equipment Condition

Discharge hydraulic pressure (para 6–3)

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

Park vehicle on level ground

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

Checking Fluid Level and Adding Fluid

1

Visually check fluid level in sight gage (1).

2

Physically check fluid level in power pack reservoir:

(a)

Remove power pack gage (2) and check fluid level. It should read FULL AT 0 PRESSURE mark (3).

(b)

If required, add hydraulic fluid until it reaches proper level on power pack gage (2).

(c)

Install power pack gage (2).

1

2

3