TM-9-2320-431-10-1
TRUCK, WRECKER, 8X8, M984A1
TECHNICAL MANUAL; OPERATOR'S MANUAL; PART 1 OF 2
JUNE 2009
TM-9-2320-431-10-1 - Page 1161 of 1244
EXTREME HEAT OPERATION - Continued
(1)
Apply service brake pedal (5).
(2)
Push in PARKING BRAKE control (4).
(3)
Set transmission range selector (1) to normal gear range.
(4)
Continue operation.
3.
If WATER TEMP gauge (6) indicates coolant temperature is near overheating,
perform the following steps:
a.
Slow vehicle.
b.
Set transmission range selector (1) to next lower gear range.
c.
Continue operation.
d.
When WATER TEMP gauge (6) reads normal range:
(1)
Set transmission range selector (1) to normal gear range.
(2)
Continue operation.
e.
If WATER TEMP gauge (6) does not return to normal range:
(1)
Stop vehicle.
(2)
Set transmission range selector (1) to N (neutral).
(3)
Pull out PARKING BRAKE control (4).
(4)
Allow engine to cool.
f.
When WATER TEMP gauge (6) reads normal range:
(1)
Apply service brake pedal (5).
(2)
Push in PARKING BRAKE control (4).
(3)
Set transmission range selector (1) to normal gear range.
(4)
Continue operation.
4.
Check cooling system often and notify field level maintenance if any of the following
are found:
a.
Low coolant level in radiator.
b.
Leaking hose connections which have been tightened but still leak.
c.
Cracked or leaking hoses.
d.
Radiator or charge air cooler fins/grill plugged with mud, debris, etc.
NOTE
•
Batteries do not hold charge well in extreme heat.
TM 9-2320-431-10-1
0120
0120-3
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