TM 5-3805-291-10
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
INCLUDING LUBRICATION INSTRUCTIONS - CONTINUED
0012 00
Table 1. Preventive Maintenance Checks and Services (PMCS) for the 966H Wheel Loader - Continued.
LOCATION
ITEM TO
CHECK/
ITEM
MAN-
NOT FULLY MISSION
SERVICE
NO.
INTERVAL
HOURS
PROCEDURE
CAPABLE IF:
a. Tilt hood to open position (WP Hood does not open.
12
Before
Engine Cool-
ant Level
0012 00
b. Check coolant overflow tank sight Coolant level is not visible
gage for presence of coolant.
in sight gage.
c. If necessary, add coolant as fol-
lows:
WARN I N G
DO NOT service cooling system unless engine has been
allowed to cool down. This is a pressurized cooling sys-
tem and escaping steam or hot coolant will cause seri-
ous burns.
DO NOT remove cooling system radiator cap when
engine is hot. Allow engine to cool down. Loosen cap to
first stop and let any pressure out of cooling system,
then remove cap. Failure to follow this warning may
cause serious burns.
Wear effective eye, glove, and skin protection when
handling coolants. Failure to do so may cause injury.
(1) Wipe filler cap clean with a rag.
(2) Push down on filler cap, turn
cap counterclockwise (to the
left), and remove cap from cool-
ant overflow tank.
(3) Add a 50/50 mixture of anti-
freeze and clean water to bring
level up to FULL mark on cool-
ant overflow sight gage. 60/40
mixture of antifreeze and water
is used in arctic operation.
(4) Inspect filler cap for damage to Gasket is missing or dam-
cap or cap gasket, foreign mate- aged.
rial, and deposits.
(5) Reinstall cap by pushing down
on cap and turning clockwise
(to the right).
0012 00-6
