TM 9–2350–311–10
2–20
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
5
Before
Radiator
DRIVER
Check coolant level in radiator. Add coolant as
needed.
Any coolant leak
exists or radiator
cap (1) is mis-
sing.
1
6
Before
Driver’s Compart-
ment Fire
Extinguisher
Handle
DRIVER
Check to ensure fire extinguisher handle (1) is
properly seated and laced with wire seal (2).
Wire seal (2) is
broken, missing,
or fire extinguish-
er handle (1) is
pulled.
1
2
7
Before
Neutral Safety
Switch
DRIVER
WARNING
To prevent injury, make sure all personnel are
a safe distance from vehicle.
Make sure parking brake is engaged. Pull fuel
shutoff control assembly out. Place vehicle in first
gear. Attempt to start engine.
Engine cranks.
Notify unit
maintenance.