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 528 of 1275

TM 9-2350-311 -20-1

b. Installation

1 Install new preformed packing (14), split flange (13), and hose (5) on rear of engine oil cooler.

2 Install four newIockwashers(12) and four screws (11).

3 Install new preformed packing (10), split flange (9), and hose (4) on front of engine oil cooler.

4 Install four new Iockwashers (8) and four screws (7).

5 Connect hoses (4 and 5) by tightening two nuts (6).

6

Install new strap (3) on hoses (4 and 5) (M109A4/M109A5).

7 Install two drain plugs(1) into oil filters (2).

8 Check engine oil level (TM 9-2350-311-10).

5-4 OIL FILTER ASSEMBLY AND ENGINE OIL SAMPLING COMPONENTS

This task covers:

a. Removal

b. Installation

Tools

Filter elements (2) (item 106, Appx G)

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

Preformed packings (2) (item 183, Appx G)

Suitable container

Torque wrench (item 72, Appx H)

References

TM 9-2350-311-10

Materials/Parts

Gaskets (2) (item 187, Appx G)

Equipment Conditions

Gasket sets (2) (item 194, Appx G)

Transmission access doors open (para 11-7)

5-7