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TM 5-4320-308-13
4-15. TEST/REPLACE/ADJUST INJECTION PUMP (Continued)
ADJUSTMENTS:
WARNING
Death or serious injury could occur if fuel is not handled carefully. Use in a well-ventilated area
away from open flame, arcing equipment, ignition sources, heaters, or excessive heat. Always
store fuel in proper, marked containers. DO NOT SMOKE.
CAUTION
When adjusting timing, pay special attention to rotation of engine. Timing can be accomplished
only when engine is rotated correctly. Correct rotation is clockwise when facing throttle control
hand lever.
Preparation:
1
Remove engine adapter housing to
expose engine flywheel.
2
Block fuel hose (fuel tank to 3-way valve)
with fuel shutoff clamp 668 383 00.
3
Remove the fuel filter, fuel hoses, and
clamps using REMOVAL steps 1 to 7 in
paragraph 3-25.
4
Disconnect fuel hose (fuel tank to 3-way
valve) from 3-way valve connection using
REMOVAL step 9 in paragraph
3-25.
NOTE
Use the existing fuel filter for testing.
5
Install fuel hose (5) (see REMOVAL step
2 in paragraph 3-25) on injection pump.
6
Install fuel filter (2).
7
Connect fuel hose (3) (fuel tank to 3-way
valve) to fuel filter (2) inlet.
4-30
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