Table 4-4. Organizational Troubleshooting Chart
TEST OR INSPECTION
ENGINE AND ACCESSORIES
22. ENGINE WILL NOT CRANK.
Step 1. Inspect for loose or corroded battery cables.
Tighten or replace battery cables (paragraph 4-83).
Step 2. Check voltage to starter and starter solenoid.
Replace starter if defective (paragraph 4-86).
Step 3. Check generator output and generator belt tension.
Replace generator or tighten belt (paragraph 4-85).
23. ENGINE CRANKS SLOWLY-WILL NOT START.
Step 1. Check for loose connections at batteries, engine block and starter.
Tighten loose connections.
Step 2. Check condition of batteries.
Replace defective batteries (paragraph 4-83).
24. ENGINE CRANKS NORMALLY-WILL NOT START.
Use care to direct the fuel away from the source of ignition.
Step 1. Remove inlet hose to fuel pump. Connect a hose to the pump from a separate container that contains fuel.
Open the filter air bleed.
Replace fuel pump (paragraph 4-70).
Step 2. Inspect for incorrect contaminated fuel.
25. ENGINE STARTS BUT WILL NOT CONTINUE TO RUN AT IDLE SPEED.
Step 1. Disconnect fuel return line at injection pump and route hose to a metal container. Connect a hose to the
injection pump connection and route it to the metal container. Crank the engine and allow it to idle.
Replace check valve or hose.
Step 2. Inspect that the timing mark on the injection pump is aligned with the mark on the front cover.
26. ENGINE WILL NOT RETURN TO IDLE SPEED.
Inspect linkage for proper alignment or binding.
Adjust or replace linkage (paragraph 4-71).
27. NOTICEABLE LOSS OF POWER.
Step 1. Inspect air cleaner element for damage or blockage.
Replace air cleaner element (paragraph 4-68).
Step 2. Inspect for blocked fuel filters.
Replace fuel filters (paragraph 4-69).
Step 3. Remove fuel tank and check filter.
Replace fuel tank filter (paragraph 4-69).