TM-9-2320-273-10

TRUCK, TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; OPERATOR’S MANUAL

DECEMBER 2012
TM-9-2320-273-10

  TM-9-2320-273-10 - Page 398 of 452

EXTREME HOT WEATHER
1.
Check engine coolant level frequently. Ensure coolant is maintained at proper
level (WP 0029). Check cooling system (radiator, hoses, and lines) for possible
leaks, and notify supervisor of any problems.
2.
The power steering system incorporates an oil cooler designed to reduce power
steering fluid temperatures during normal and unusually warm conditions. Check
oil level in power steering pump reservoir more often during periods of operation
in extreme hot weather (WP 0035).
3.
Check tires frequently to ensure each tire is inflated to the proper pressure
(WP 0003) (but be very careful not to over inflate tires). Wait until tires are cool
before adjusting tire pressures.
4.
For M915P1, M915A1P1, M916P1, M917P1, and M920P1, ensure procedures for
operating in extreme heat with crew protection armor and air conditioning are
followed (WP 0017).
END OF TASK
EXTREME HUMID WEATHER
In hot humid weather, exposed metal surfaces can rust rapidly. Fungus can grow in the
fuel tank and on canvas tarps, seats, and other equipment. Frequent inspection,
cleaning, and lubrication are necessary to maintain vehicle readiness in humid
conditions. Fuel filters and air reservoirs must be drained frequently due to increased
condensation in fuel and air systems. Clean affected areas carefully and if necessary,
notify supervisor of any needed parts.
END OF TASK
AFTER FORDING
1.
Always check for sand and mud after you have forded water with vehicle.
Thoroughly clean the vehicle. If water fording depth was 21 in. (53 cm) or more,
notify supervisor and request after-fording maintenance for vehicle.
2.
If vehicle has been operated in salt water, let vehicle dry, then check it for
evidence of salt accumulation. Use a clean damp cloth to immediately remove all
salt accumulation.
3.
If salt water fording depth was 21 in. (53 cm) or more, notify supervisor and
request vehicle needs after-fording maintenance as a result of operating vehicle in
salt water.
END OF TASK
TM 9-2320-273-10
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