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 868 of 1275

TM9-2350-311-20-1

9-7 TRANSMISSION OIL SAMPLING COMPONENTS

This task covers:

a. Removal

b. Installation

INITIAL SETUP

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

a. Removal

1 Remove tube assembly (1) from sampling valve adapter (2) and transmission adapter (3).

2 Remove adapter (3) and bushing (4) from pipe plug port hole (5). Install plug at transmission port to avoid

contamination of transmission oil.

3 Remove adapter (2).

4 Loosen sampling valve locknut (6) on mounting bracket (7) marked "TRANS”. Remove sampling valve (8).

b. Installation

1 Install sampling valve (8). Tighten sampling valve locknut (6) marked "TRANS” on mounting bracket (7).

2 install adapter (2) to sampling valve (8).

3 Remove plug and install bushing (4) and adapter (3) in pipe plug port hole (5).

4 Install tube assembly (1) to transmission adapter (3) and sampling valve adapter (2).

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