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TM 5-4320-313-14
5-3. TROUBLESHOOTING - Continued.
Table 5-1. Direct Support Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. ENGINE PRODUCES BLACK SMOKE FROM EXHAUST.
Step 1. Check air filter indicator for red band.
Replace air filter element (paragraph 4-10).
Step 2. Check tappet clearance.
Adjust tappet clearance (paragraph 5-9).
Step 3. Test for a faulty fuel injector (paragraph 5-6).
Replace a bad fuel injector (paragraph 5-6).
Section II. MAINTENANCE PROCEDURES
Para.
Para.
Cranking Gears...............................................5-8
Cylinder..........................................................5-10
Cylinder Head and Valve Assembly.................5-9
Engine Assembly............................................5-5
Flywheel..........................................................5-12
Frame Assembly.........................................5-13
Fuel Injection Pump....................................5-7
Injector........................................................5-6
Piston..........................................................5-11
Pump Assembly..........................................5-4
5-4
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