Post signs that read `NO SMOKING WlTHlN 50 FEET (15 m)" when working with
open fuel lines or fuel tanks,. Use caution when loosening intake fuel fittings. Fuel
pressure is sufficient to penetrate skin and cause severe injury. Do not work on fuel
system when engine is hot: fuel can be ignited by a hot engine.
(1) Remove gear cover (para 526).
(2) Check timing marks on camshaft gear
and crankshaft gear.
(a) lf timing marks are out of
alignment, match timing marks
(b) If timing marks are aligned
correctly, indicates internal
injection pump malfunction.
Replace/repair fuel injection
INJECTION PUMP TIMING
(1) Remove negative battery cable
(2) Check injection pump timing
(a) if injection pump is out of
adjustment, reset timing
(b) lf timing is at proper setting,
indicates internal injection pump