TM 9-2320-302-10
0012 00-22
Table 1. Preventive Maintenance Checks and
Services (PMCS) for M915A3 - Continued.
Item
No.
Interval
Location
Procedure
Not Fully Mission
Capable If:
Item To
Check/
Service
40
After
Radiator
WARNING
DO NOT remove radiator cap unless engine is
cold. Remove cap in two steps. First, place a thick
cloth over cap and slowly turn cap left to first stop.
Pause and allow pressure to escape. Turn cap fur-
ther left until it can be removed. This is a pressur-
ized cooling system and escaping steam, hot
water, or coolant will cause serious burns.
Remove radiator cap (52) and
check coolant level in radiator
(53). Coolant must be within 2½
in. (6.4 cm) below filler neck.
Add coolant as required (WP
0016 00).
41
After
Horns
NOTE
Vehicle operation with inoperative horn may vio-
late AR 385-55.
If tactical situation permits, check
operation of electrical and air
horns.
42
After
Accessory
Items
Verify that windshield wipers and
heater/ventilator or air condi-
tioner operate.
52
53
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