TM 9-2320-279-10-1
2-170
Change 8
M977 Through M985 General Operating Procedures (Cont)
2-11. DRIVE VEHICLE (CONT).
CAUTION
Do not hold steering wheel at full left or full right
position for longer than 10 seconds. Power steering oil
can overheat and pump can be damaged.
(5)
Accelerate, brake, and steer as required.
NOTE
Check system gages often during vehicle operation. If
gages read other than normal, stop engine and
troubleshoot problem.
(6)
Check that FUEL gage (7) shows enough fuel to complete mission.
(7)
Check that OIL PRESS gage (8) reads 50 to 70 psi (345 to 483 kPa)
for FHTV model vehicles or 40 to 60 psi (276 to 414 kPa) for
Non-FHTV model vehicles.
(8)
Check that TRANS TEMP (transmission temperature) gage (9) reads
160 to 220F (71 to 104C).
(9)
Check that WATER TEMP gage (10) reads 180 to 200F (82 to 93C).
(10)
Check that AMPERES gage (11) reads about zero.
(11) Check that BATTERY gage (12) reads 24 to 28 volts.
(12)
Check that AIR PRESS gage (13) reads 100 to 120 psi (690 to 827
kPa).
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