TM 5-4310-386-14
5-30. Fuel Injection Pump.
This task covers:
a.
Adjust
b.
Replace
c.
Repair
INITIAL SETUP
Tools
Equipment Condition
General Mechanic's Tool Kit
Compressor unit shut down (para. 2-13).
(NSN 5180-00-177-7033)
V-belt guard removed (para. 4-15).
Setting Device (PN 0030498)
Fuel supply hose removed (para. 4-32).
Dial Gage (PN0030498)
Rocker cover removed (para. 4-52).
Pointer (PN 0030678)
Graduated Magnetic Scale (PN 0031189)
Reference
Pliers, Circlip (NSN 5120-00-789-0492)
Refer to Appendix F for torque values.
Materials/Parts
Injector Pump
Distilled Water (Item 9, Appendix E)
Solvent, Dry Cleaning (Item 24, Appendix E)
a.
Adjust. (figure 5-44)
NOTE
The adjust procedures covers determining top dead center, checking beginning of fuel delivery
and setting the beginning of fuel delivery.
(1)
Turn crankshaft until valves (intake and exhaust) overlap, then give crankshaft another half turn.
(2)
Using setting device, adjust pressure screw (1) to press down on rocker arm approximately 0.197 to 0.236
inches (5-6 mm).
(3)
Install dial gage (2) on setting device (3).
(4)
Install pointer (4) on dowel sleeve (5).
(5)
Install graduated scale (6) on V-belt pulley (7).
(6)
Set pointer (4) to "O" position on magnetic scale on pulley.
(7)
Turn crankshaft carefully in nominal direction until valve pushes up. Keep turning crankshaft slowly in
same direction until gage pointer changes direction.
(8)
Set gage at "0".
5-126
