TM 5-3805-261-23-1
ENGINE TROUBLESHOOTING PROCEDURES
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Check electrical system. Refer to
Go to Malfunction 2.
1.
Engine Will Not Crank.
1.
Check for cranking speed fast enough
2.
Engine Cranks, but Will
to start engine. Refer to Electrical
Not Start.
2.
Check the fuel system. Refer to
3.
Check air cleaner for air restriction.
1.
If dirty, clean and service air cleaner
(TM 5-3805-261-10).
2.
Replace air cleaner (WP 0036 00, WP
3.
Engine Starts, but Will Not
Keep Running.
WARNING
DO NOT smoke or permit any open flame in area of machine while you
are servicing fuel system. Be sure hose nozzle is grounded against filler
tube during refueling to prevent static electricity. Failure to follow this
warning may cause injury to personnel or damage to equipment.
DO NOT perform fuel system checks, inspections, or maintenance
while smoking or near fire, flames, or sparks. Fuel may ignite, causing
injury or death to personnel and damage to equipment.
Operating personnel must wear fuel-resistant gloves when handling
fuels. If exposed to fuel, promptly wash exposed skin and change fuel-
soaked clothing. Failure to follow this warning may cause injury to per-
sonnel.
Wear eye and hearing protection. Failure to follow this warning may
cause injury to personnel.
1.
Check for air in fuel system lines.
Bleed injection lines (WP 0035 00). If
voltage is indicated, go to Test 2.
2.
Look for damaged fuel lines.
Replace defective fuel lines and bleed fuel
lines (WP 0035 00, WP 0041 00, and WP
Test 3.
3.
Check for clogged primary fuel filter.
