LO-5-5420-202-13
M48A5 TANK CHASSIS AND M60A1 TANK CHASSIS
LUBRICATION ORDER
JANUARY 2011
LO-5-5420-202-13 - Page 6 of 28
LO 5-5420-202-13
Card 6 of 22
NOTES:
Engine Running, Hot Oil.
1.
Check oil level with engine idling at 700 to 750 rpm. After a hot run, oil level will be
2 to 3 inches (5.08 to 7.62 cm) above “HOT FULL" mark. This would be normal
under these conditions due to oil expansion and aeration.
2.
If the tactical situation permits, allow the engine to idle at 700 to 750 rpm for 5 to 10
minutes and check the level again.
a) If the oil level is above the “ADD” mark, the engine is safe to operate.
However, oil may be added pending expected mission duration.
b)
If the oil level is above the “ADD” mark, add oil as necessary to bring the level
to the “HOT FULL" mark.
3.
TRANSMISSION OIL LEVEL AND FILL. Set the parking brakes with shift lever in PARK.
Start engine and run at 1000 to 1200 rpm until transmission oil temperature gage reads in
green band. With engine idling at 700 to 750 rpm, check oil level. Add oil as required to
transmission to bring level to FULL mark on transmission dipstick.
Oil level on the transmission dipstick must be at or above the ADD mark. Approximately
3 gallons (11.4 L) of oil will raise the transmission oil level from ADD to FULL.
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