TM-9-2350-311-10

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

TECHNICAL MANUAL; OPERATOR’S MANUAL

NOVEMBER 1994

TM-9-2350-311-10 - Page 417 of 775

TM 9--2350--311--10

Change 6

3--17

3--5

HULL MAINTENANCE PROCEDURES — CONTINUED

3--5.2

Fuel System — Continued

a. Service — Continued

CAUTION

The fuel tanks may hold a combined 133 gallons (503.4 l) of fuel in lower fuel tank. Before

draining, provide a suitable container with capacity to hold the fuel to be drained.

NOTE

After operation, keep fuel tank full to minimize condensation.

4

When necessary, remove water and dirt from fuel tanks as follows:

(a) Remove three cap screws (5), three flat washers (6), and access cover (7) with gasket (8) from

bottom of vehicle.

(b) Using a socket head screw key, remove plug (9).

(c)

When clear fuel is visible, install plug (9).

(d) Install access cover (7) with gasket (8), three flat washers (6), and three cap screws (5).

VEHICLE FRONT

BOTTOM

VIEW OF

VEHICLE

NOTE

Coolant drain valve

removed for clarity.

5

6

7

8

9