Table 3-1. Troubleshooting (Contd).
TEST OR INSPECTION
Check engine oil level.
If low, add oil (refer to LO 9-2320-272-12).
Check radiator fan clutch operation.
If fan blade is not turning, install override lockup bolts (para. 3-14).
FUEL BURNING PERSONNEL AND ENGINE COOLANT HEATER KITS
FUEL BURNING PERSONNEL HEATER FAILS TO START WHEN RUN-OFF-START SWITCH IS HELD IN
Exhaust gases can kill. Do not operate engine coolant heater in closed area occupied by personnel.
Such action will result in injury or death.
Heater will not operate if RUN-OFF-START switch is moved to RUN position before indicator lamp
Press PRESS-TO-TEST button on heater control box to check operation of circuit.
If indicator lamp does not illuminate, notify unit maintenance.
Check to see if HI-LO switch on heater control box is set to HI.
If not, set HI-LO switch to HI.
Check fuel level on fuel gauge.
Fill fuel tank(s) if necessary.
Check to see if electric fuel pump shutoff valve is closed (para. 2-44).
If closed, open fuel pump shutoff valve.