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TM 9-2320-360-20-1
2-7. SERVICE BEFORE OPERATION (CONT)
WARNING
Radiator is very hot and pressurized during HET Tractor operation. Let radiator
cool before removing cap. Failure to comply may result in serious burns.
Check radiator coolant. Check if solution is adequate for expected climatic conditions. Refer to TB 750-
651 for preparation of antifreeze solutions. Put tag near filler cap with type of antifreeze and degree of
protection written on tag.
Check engine starter wiring for loose connections and condition of wiring insulation.
(h)
Transmission
Check fluid level with dipstick.
Check external lines for evidence of leakage.
(i)
Transfer Case
Check level of lubricant at fill plug.
Inspect lubrication pump and external lines for evidence of leakage.
Check operation of two-speed shift mechanism.
Operate DRIVELINE control, observe drive power to front axle.
Inspect bolts on all driveline U-joints.
(j)
Electrical System
Inspect battery cable connections, and clean and tighten as necessary. .
Check all lights for burned out lamps, loose connections, and dirty or broken lenses.
Ensure that alternators are charging properly.
Ensure all electrical equipment functions.
Replace teflon tachograph chart with paper charts (para 7-15).
(k)
Air System
Drain any water from reservoirs.
Inspect all accessible air hose and tubing connections for leakage.
(I)
Steering System
Check steering hydraulic reservoir for proper fluid level.
Examine steering linkage and steering gears for damage incurred during shipment.
Examine steering hoses and connections for evidence of leakage.
Check steering system for proper operation during road test
(m)
Chassis and Running-Gear
Check all lubricant levels.
Check axle housing pressure vents to ensure freedom from foreign matter.
2-4 Change 1
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