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 124 of 775

TM 9-2350-311-10

Item

No.

21

22

lnterval

Before

Before

Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

FOR M109 SELF-PROPELLED HOWITZER - CONTINUED

Location

Item to Check/

Service

Operating

Cam And

Rollers

Damper

Assembly

Crewmember

Procedure

CANNONEER NO. 1

a. Before firing, check rollers (1) and cam ways

(2).

b. Lubricate cam ways (2) daily with grease (item

17, Appx D) when cannon is fired.

Not Fully Mission

Capable If:

Rollers (1) are

broken.

CANNONEER NO. 1

Inspect damper assembly (1) to ensure distance

between spring cap ends (2) is 4 inches

(10.16 cm). If not 4 inches (10.16 cm) in length,

loosen hex nut (3) and adjust cap screw (4) until

spring cap ends are 4 inches (10.16 cm) apart,

then tighten hex nut against mount.

2-38