TROUBLESHOOTING (CONT) - TM-3-1040-276-230023

TM 3-1040-276-23

TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 3. Check air pump assembly check valve and filter plug.

Replace faulty check valve and filter plug (p 2-31).

Step 4. Check air pressure gage.

Replace faulty air pressure gage (p 2-20).

2. AIR PUMP ASSEMBLY/AIR ACCUMULATOR ASSEMBLY GIVES WEAK OR NO STARTING AIR BLAST.

Step 1. Air hose split, cut, or doesn't fit.

Replace air hose (p 2-42).

Step 2. Control valve stuck.

Replace control valve (p 2-20).

3. IGNITION CABLE/MAGNETO GIVES NO SPARK OR WEAK SPARK.

CAUTION

Handle ignition cable with care. Rough handling cracks insulator. When you pump magneto air pump

handle, stop short in both directions. Use short strokes about 8 inches long. Rough handling cracks

magneto air pump clamp.

Step 1. Ignition cable contacts (1) corroded or insulator (2) cracked.

Clean cable contacts. Repair damaged cable (p 2-71).

Change 1

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