Electrical System

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