ARMY TM 9-6115-464-34
AIR FORCE TO 35C2-3-445-2
NAVY NAVFAC P-8-624-34
Table 5-1. FUEL BURNING WINTERIZATION KIT TROUBLESHOOTING CHART (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8. SURGING COMBUSTION
Fuel regulator operating erratically.
Check fuel rate and replace valve if necessary (para. 5-4).
9. COOLANT PUMP FAILS TO RECIRCULATE LIQUID
Step 1. Faulty coolant pump.
Repair or replace pump (para. 5-4).
Step 2. Clogged coolant line.
Unclog or replace coolant line (para. 5-4).
10. COOLANT PUMP TURNS OVER BUT FAILS TO DELIVER FLUID
Step 1. Pump passages or blade slots plugged with foreign matter.
Repair or replace pump (para. 5-4).
Step 2. Defective motor.
Replace motor (para. 5-4).
11. ERRATIC OR REDUCED OUTPUT
Step 1. Air leak.
Check tubing connections for leaks (para 5-5).
Step 2. Reduced voltage.
Check voltage input to motor (para 5-4).
Step 3. Motor lag, low RPM.
Check motor brushes for excessive wear (para. 5-4).
Step 4. Scored cam ring bore.
Replace the cam ring (para. 5-4).
Step 5. Foreign matter in pump blade slots.
Remove pump from motor; disassemble and clean pump and filter (para 5-4).
5-3
