TM-9-2350-311-20-1

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

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 664 of 1275

TM 9-2350-311-20-1

b. Installation

WARNIN G

1

2

3

4

Install

Install

Install

Install

• Ensure engine and coolant system are cool enough to permit safe

prevent burns. Hot coolant will cause sever bums.

Ž Ensure MASTER switch is OFF when working on electrical system

electrical shock and burns.

engine coolant temperature switch (9).

electrical connector (8) of wire 509A.

protective cover (7), two new lockwashers (6), and two

clamp (3), new lockwasher (2), screw (4), and nut (1).

(5).

FOLLOW-ON MAINTENANCE:

Close air intake grille (para 11-8)

handling

to avoid

to

8-8 ENGINE OIL PRESSURE TRANSMITTER

This task covers:

a. Removal

b. Installation

General mechanic’s tool kit (item 64, Appx H)

Engine compartment access cover removed (para 11-5)

a. Removal

WARNIN G

Ensure MASTER switch is OFF when working on electrical system to avoid electrical

shock and burns.

8-1 9

NOT E