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TM 10-4320-351-14
6.4.30 Adjust Fuel Injection Pump. (Refer to figure 6-53.)
This task must be accomplished any time the fuel injection pumps have been removed and replaced.
This task consists of:
a. Adjustment
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Key, Socket Head Screw, 5 mm
Rubber Band, No. 18
(Appendix B, Section III, Item 3)
(Appendix F, Section II, Item 20)
Combination Wrench, 10 mm
Gasket (Appendix I, Item 19)
(Appendix B, Section III, Item 3)
Combination Wrench,13 mm
(Appendix B, Section III, Item 3)
Combination Wrench, 17 mm
(Appendix B, Section III, Item 3)
Combination Wrench, 19 mm
(Appendix B, Section III, Item 3)
Screwdriver, Flat Blade (1/8 x 8 in.)
(Appendix B, Section III, Item 3)
Injection Advance Control Tool
(Appendix B, Section III, Item 8)
General Safety Requirements:
Equipment Condition:
Engine module installed in pump-engine module.
WARNING
Valve covers removed (para. 6.3.6)
·
Fuels are toxic and flammable. Do not get on person
or clothing. Work in well ventilated area. Do not
smoke. Ensure equipment is well grounded.
a.
Remove five socket head screws (1) and washers (2) attaching fuel control rod cover (3) to crankcase.
b.
Remove remaining nut (4) and washer (5) from fuel control rod cover (3). Remove cover and gasket (6); discard
gasket if socket head screws (1) and nut (4) were fully tightened. Remove gasket residue from crankcase and
cover.
c.
Attach a rubber band to control rod end (7) and any attaching point at the pulley end of the engine to hold control
rod fully right. Set throttle lever (8) to maximum fuel position.
d.
Set cylinder of injection pump (9) being timed to TDC on the compression stroke. Turn flywheel until intake valve
(10) opens. Rotate flywheel to the right until intake valve (10) closes. Continue turning flywheel until timing mark
(11) on flywheel is aligned with indicator (12) on shroud.
e.
Remove fuel feed line (13) from injection pump (9) and fuel injector (14) being timed.
f.
Install injector pump adjustment tool (15) on pump being timed. Turn thumbscrew (16) on tool fully clockwise to
close.
g.
Slowly turn flywheel clockwise until column of fuel in tool starts to move.
6-85
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