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TM 10-3930-638-24&P
3-5. ENGINE MAINTENANCE (cont)
a. Engine Tune-up (cont).
(3) Fuel Injection Pump Adjustments.
This task covers adjustment of fuel injection pump timing, engine idle speed, and no-load governed speed.
INITIAL SETUP
TOOLS
EQUIPMENT CONDITION
Automotive Mechanic’s
NSN 5180-00-754-0641
Paragraph
Condition Description
Tool Kit
Vehicle parked on level surface, engine off,
and parking brake applied.
MATERIALS/PARTS
2-53c
Left and right side panels removed.
Wire seal
3-5f
Tachometer drive cover removed.
Timing window gasket
STEP
LOCATION
ITEM
ACTION
REMARKS
INJECTION PUMP — TIMING ADJUSTMENT
Engine compart-
a. Engine flywheel
Rotate
Engage flywheel ring gear teeth with blade
ment
of screwdriver as shown. Rotate engine
counterclockwise until pointer in timing
hole is past 8° BTDC mark on flywheel;
then rotate engine clockwise until
pointer is in line with 8° BTDC mark
on flywheel
b. Timing window screws, Remove
cover and gasket
3-32
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