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TM 5-4210-220-12
Table 3-1. OPERATOR TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
10b WINTERIZATION HEATER FAILS TO RESTART AUTOMATICALLY
Step 1. Check if heater thermal breaker tripped.
Reset thermal breaker Restart winterization heater, (see para. 2-12).
Step 2. Check winterization system shutoff valves on engine are open.
Open shutoff valves and reset heater thermal breaker.
Restart heater, (see para. 2-12).
11 AIR SYSTEM IN ALARM
Step 1. Check all reservoir valves are closed.
Close drain valves.
Step 2. Check engine has been running for at least 5 minutes.
Check pressure after 5 minutes
Step 3. Brakes operated many times.
Allow pressure to recover before proceeding.
12 ANY LIGHT FAILS TO OPERATE
Step 1. Check switch is ON.
Set switch to ON.
Step 2. Check engine starter operates.
Some lights require ignition ON, others require battery switch only ON.
Check operating instructions.
13 ANY MOTOR FAILS TO OPERATE
Step 1. Check switch is ON.
Set switch to ON.
Step 2. Check engine starter operates.
Some motors require ignition ON, others require only battery switch ON.
Check operating instructions.
3-8
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