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 127 of 775

TM 9-2350-311-10

Item

No.

24

Interval

Before

Table 2–1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

FOR M109 SELF-PROPELLED HOWITZER — CONTINUED

Location

Item to Check/

Service

Rammer

Assembly (Cont)

Crewmember

Procedure

CANNONEER NO. 1

c. Exercise rammer assembly (2) before firing ac-

cording to the following instructions:

1.

2.

3.

4.

Place rammer assembly (2) in ram position.

Check to assure rammer assembly (2) locks

in ram position and plunger and roller (3) on

blocking check valve (4) is depressed by op-

erating cam (5).

Coat plunger and roller (3) lightly with grease

(item 17, Appx D).

SLOWLY depress actuating valve (6) control

handle (7) and hold to extend rammer full

stroke. Release control handle to bring ram-

mer back to original position.

Not Fully Mission

Capable If:

2-41