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 142 of 775

TM 9--2350--311--10

2--54

Change 3

Table 2--1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

FOR M109 SELF-PROPELLED HOWITZER — CONTINUED

Location

Item

No.

Not Fully Mission

Capable If:

Crewmember

Procedure

Item to Check/

Service

Interval

33

Before

Cab Ammunition

Rack Assembly

CANNONEER NO. 1

WARNING

If cab ammunition rack assembly has projec-

tiles loaded, make sure locking caps and re-

tainer assemblies are in place. Bustle doors

must be closed and properly latched before

moving vehicle.

a. Before firing, make sure each locking cap (1)

is rotated to hold its retainer assembly (2) in

place.

b. Check to see that each end of wire ropes (3) is

securely attached to retainer and cab ammuni-

tion rack assembly (4).

1

2

3

4

34

Before

DA FORM 2408-4

CHIEF OF SECTION

Check DA Form 2408-4 to ensure that cannon has

been borescoped and recoil exercised within the

last 180 days or EFC rounds have not exceeded

2650.

Not borescoped

within last 180

days.