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 177 of 775

TM 9-2350-311-10

Item

No.

67

68

68.1

Interval

Weekly

Weekly

Weekly

Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

FOR M109 SELF-PROPELLED HOWITZER - CONTINUED

Location

Item to Check/

Service

Lights

Bilge Pumps

Seats

Crewmember

Procedure

DRIVER

Check all lights for operation affecting serviceability.

DRIVER

CAUTION

Do not run bilge pumps for more than 1 minute

dry, or more than 15 minutes wet without start-

ing engine to prevent equipment damage.

Test operation of each bilge pump. If a bilge pump

is dry, feel for airflow at air outlet when pump is

running.

DRIVER

Inspect seat belt (1), seat and backrest cushions (2

and 3) for deterioration. Make sure seat belt (1)

buckle and end plate engage securely. Make sure

seat adjustment levers (4 and 5) securely lock seat

in all positions. Fold and unfold backrest (6) and

check for binding. Check for loose or missing

mounting hardware.

Not Fully Mission

Capable If:

Change 2 2-83