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3-42.
FUEL INJECTOR PUMP HYDRAULIC HEAD MAINTENANCE (Con’t).
5.
Install new seal on head locating
screw (3). Apply a light film of grease
to head locating screw. Install new
seal and head locating screw and
tighten to 15-20 Ib.-ft, (20-27 N.m).
6 .
Check head locating screw (3) to
ensure that seal was not sheared
during
installation.
If
seal
was
sheared,
remove
head
locating
screw, discard seal, and repeat step
5.
7 .
Carefully invert fuel injector pump
(2). Tighten 2 head locking screws
(1) to 15-20 Ib.-ft, (20-27 N.m).
FOLLOW-ON TASKS:
• Install fuel injector pump regulator and transfer pump blades. (See paragraph 3-41)
l Install fuel injector pump servo advance piston. (See paragraph 3-40)
l Install fuel injector pump throttle shaft and governor assembly. (See paragraph 3-39)
• Calibrate fuel injector pump. (See paragraph 3-45)
TA50753
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