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TM 5-4320-306-24
4-4 REPAIR INJECTION PUMP (Continued)
f.
Repeat steps a through e for other five tappet assemblies.
44 Remove the following parts from bore number one
a.
Remove piston (56) and lower spring cap (57) using plunger pliers KDEP 2915.
b.
Remove piston spring (58).
c.
Remove upper spring cap (59)
d.
Scribe control sleeve (60) and gear ring (61).
e Remove clamping screw (62).
f.
Remove control sleeve (60) and gear ring (61)
g.
Tag those parts removed in steps a through f to indicate the bore from which bore the parts were removed Keep
mating parts together.
h.
Repeat steps a through g for other five bores.
45 Remove screw (63)
46 Remove rod (64) from housing
47 Remove three screws (65), three jaws (66), and three jaws (67)
48 Remove the following parts from bore number one
a.
Remove pipe connection (68) using socket wrench
b.
Remove and discard sealing ring (69).
c.
Remove filler (70)
d.
Remove spring (71).
e.
Remove and discard sealing washer (72)
f.
Remove delivery valve (73) using delivery valve puller KDEP 2892. Screw valve puller into delivery valve Use a
wrench to turn the valve puller clockwise to remove delivery valve.
g.
Remove plunger (74)
h.
Tag items removed in steps a, c, d, f, and g to indicate from which bore the parts were removed.
i.
Repeat steps a through h for remaining five bores
49 Remove and discard gasket (75)
50 Remove screw plug (76) using plug tool KDEP 2993.
51 Remove guide bushing (77) using bushing puller
52 Remove threaded ring (78) using allen wrench.
53 Remove and discard two rings (79).
54 Remove bearing cup (80) from housing using bearing puller
4-11
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