TM 10-3930-675-24-2
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION - CONTINUED
0050 00
NOTES - CONTINUED
7.
Engine Coolant and Filter.
WARNING
DO NOT service cooling system unless engine has been allowed to cool down. DO NOT remove radia-
tor cap. This is a pressurized system and escaping steam or hot coolant may cause serious burns.
NOTE
Always shut down engine before checking, adding, or draining coolant.
a.
Drain and refill coolant as required. Dispose of drained engine coolant properly.
b.
Replace coolant filter every 300 hours of operation.
8.
Tophandler Rotator. Every 300 hours, remove ring and pinion gear protective cover and inspect ring and pinion gear
lubrication. Clean and apply grease Grease, Automotive and Artillery, GAA (Item 20, WP 0290 00) as required.
9.
Tophandler Hydraulic Slewing Motors.
NOTE
Upper sight glass is for motor brake.
Bottom sight glass is for motor planetary gear.
a.
Weekly, check level at upper and lower sight glasses. Level should be visible in sight glass.
NOTE
Procedure to fill either OE/HDO or GO is the same.
Add OE/HDO 10 at upper fill tube.
Add GO at bottom fill tube.
b.
As required, add Oil, Lubricating, OE/HDO 10 (Item 26, WP 0290 00) or GO as follows:
(1)
Remove cover from appropriate fill tube.
(2)
Remove appropriate vent plug.
(3)
Add oil through fill tube until level is visible in sight glass.
(4)
Install vent plug. Install cover on fill tube.
c.
Every 900 hours, drain fluid and refill. Replace drain plug copper washers each time drain plug is removed.
10.
Tophandler Hydraulic Spreader Motor.
a.
Weekly, check level of oil at sight glass. Level should be visible in sight glass.
b.
As required, add Oil, Lubricating, OE/HDO 10 (Item 26, WP 0290 00) oil as follows:
(1)
Remove cover from fill tube.
(2)
Remove vent plug, located on opposite side from fill tube.
(3)
Add oil through fill tube until level is visible in sight glass.
(4)
Install vent plug. Install cover on fill tube.
c.
Every 900 hours, drain fluid and refill. Replace drain plug copper washers each time drain plug is removed.
0050 00-22