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TM 10-4320-348-14
Table 3-1. Operator Troubleshooting
Malfunction
Test or Inspection
Corrective Action
If a red band appears in window of air cleaner restriction indicator, replace air filter element. (Refer to para. 3.6)
Step 6. Check for carbon deposits on spark arrestor.
Remove carbon deposits from spark arrestor.
5. ENGINE STOPS RUNNING
Step 1. Check for insufficient fuel supply.
Fill fuel tank, if necessary.
Step 2. Check air cleaner restriction indicator.
If a red band appears in window of air cleaner restriction indicator, replace air filter element. (Refer to para. 3.6)
6. PUMP FAILS TO PRIME
Step 1. Check for low engine speed.
Move speed control handle to START position to increase engine speed. (Refer to para. 2.7)
Step 2. Check for an air-locked pump.
Remove cam-lock connection on discharge side.
Prime pump by filling volute with fluid. (Refer to para. 2.5).
Reinstall cam-lock connection.
Step 3. Check for clogged suction hose.
If clogged, clean suction hose.
Step 4. Check for leaks in the pump suction line.
Repair leaks in pump suction port connections or in suction line hos es.
3-5
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