TM 10-4610-232-12
Table 3-1. Operator Troubleshooting Guide (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
HEATERS AND HEAT TRACES.
1. Diesel heaters fail to operate with generator operating and all other systems operating okay (motor fails to run).
Step 1. Check 120V circuit breakers.
Switch on.
Step 2. Check HEATER POWER SUPPLY OFF/ON switch on main control panel.
Turn on.
Step 3. Check HEATER circuit breaker (on heater).
Push in.
Step 4. Check thermostats.
Adjust to temperature greater than ambient temperature.
Step 5. Check fuel pumps.
Fuel pump bowls should have fuel in them.
Step 6. Start heaters.
Follow procedures for starting heaters (para 2-31 e).
Step 7. Notify unit maintenance.
2. Diesel heaters fail to operate with generator not working (motor fails to run).
Step 1. Check jumper cable from generator batteries.
Install cable.
Step 2. Check HEATER circuit breaker (on heater).
Push in.
Step 3. Check thermostats.
Adjust to temperature greater than ambient temperature.
Step 4. Check fuel pumps.
Fuel pump bowls should have fuel in them.
Step 5. Start heaters.
Follow procedure for starting heaters (para. 2-31 e).
Step 6. Notify unit maintenance.
3. Diesel heaters fail to operate off of auxiliary power (motor fails to run).
Step 1. Check 120V circuit breakers.
Switch on.
Step 2. Check HEATER POWER SUPPLY OFF/ON switch on main control panel.
Turn on.
Step 3. Check HEATER circuit breaker (on heater).
Push in.
Step 4. Check thermostats
Adjust to temperature greater than ambient temperature.
Step 5. Check fuel pumps.
Fuel pump bowls should have fuel in them.
Step 6. Start heaters.
Follow procedures for starting heaters (para 2-31 e).
Step 7. Notify unit maintenance.
4. Diesel heater exhaust pipe drips fuel when starting heater.
Step 1. Heater is flooded. Wait 15 minutes and start again.
Step 2. Notify unit maintenance.
5. Diesel heater exhaust smokes heavily while operating.
Step 1. Notify unit maintenance.
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