Table 5-1. Direct Support and General Support Troubleshooting - Continued
TEST OR INSPECTION
ENGINE - continued
2. ENGINE CRANKS BUT IS HARD TO START OR FAILS TO START - continued.
Inspect for sticking or fouled fuel injection nozzles.
Check fuel injection pump timing.
Time the fuel injection pump. Repair or replace if defective (para 7-8).
Inspect for broken or worn piston rings and pistons.
Replace defective piston rings, pistons, or connecting rods (para 7-24).
Check engine timing.
3. ENGINE MISSES OR RUNS ERRATICALLY.
Check timing of fuel injection pump.
Retime the fuel pump (para 7-8). If injection pump is defective, repair or replace.
Check speed control linkage.
Tighten all control linkage connections and adjust, as necessary (para 4-74).
Check valve adjustment and for sticking valves and defective rocker arm components.
Inspect for failure of main bearings, connecting rod bearings, or camshaft bearings.
4. ENGINE LACKS POWER.
Check valve clearance.
Change 2 5-3