Table 4-4. Organizational Troubleshooting Chart.(Continued)
TEST OR INSPECTION
23. 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 4-85).
Step 2. Inspect for incorrect or contaminated fuel.
24. 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.
25. ENGINE WILL NOT RETURN TO IDLE SPEED.
Inspect linkage for proper alignment or binding.
Adjust or replace linkage (paragraph 4-33).
26. NOTICEABLE LOSS OF POWER.
Step 1. Inspect air cleaner element for damage or blockage.
Replace air cleaner element (paragraph 4-83).
Inspect for blocked fuel filter.
Replace fuel filter (paragraph 4-84).
Remove fuel tank and check filter.
Replace fuel tank filter (paragraph 4-88).