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 160 of 775

TM 9-2350-311-10

Item

No.

46

47

Interval

After

After

Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

FOR M109 SELF-PROPELLED HOWITZER - CONTINUED

Location

Item to Check/

Service

Primary and

Secondary Fuel

Filters

Universal Joint

(Both sides)

2-66 Change 2

Crewmember

Procedure

DRIVER

Open bottom drain cocks (1) and drain water until

clear fuel flows from primary fuel filter (2) and sec-

ondary fuel filter (3). Close drain cocks and turn on

FUEL PRIME switch for 45 seconds before starting

vehicle to purge fuel filters.

Not Fully Mission

Capable If:

Any Class III leak

is found.

DRIVER

Open transmission access door. Check for loose,

broken, or missing mounting screws (1). Check for

missing or broken lockwire (2). Notify unit mainte-

nance if these conditions exist.

Any universal

joint screw is

loose, broken or

missing. Lock-

wires are missing

or broken.