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 FUEL INJECTION PUMP
REPAIR (CONTINUED)
--
VALVE TEST
Remove delivery valve holder (22), spring (21), delivery
Y
valve assembly (19) and spacer (20) from valve test adapter
z
Inspect spring (21). Replace spring (21) if nicked or worn.
CAUTION
AA Insert spacer (20), delivery valve assembly (19), and spring
(21) into upper head assembly
Lapping compound (item 14, Appx
must not
come in contact with relief piston during lapping.
NOTE
All lapping compound (item 14, Appx C) must be
removed before installing delivery valve
Final torque of valve holder and
is done
assembly into hydraulic head.
after timing pump.
AB Install and tighten delivery valve holder (22).
NOTE
AC Install gasket (23) and
(24).
If delivery valve assembly leaks, valve seat may
be lapped to seat in delivery valve body with lap-
AD Torque
(24) to 55-60
ping compound (item 14, Appx
TM
3-69
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