TM 10-4320-307-24
4-11
INJECTOR REPAIR (CONT).
7.
Reverse position of injector in injector body
wrench so that injector cup retainer (12) faces up.
CAUTION
Do not remove cup retainer with in-
jector in horizontal position or with
cup retainer facing down. The bar-
rel and check ball will fall out.
8.
Using cup retainer wrench, loosen injector cup re-
tainer (12).
9.
Remove injector from injector body wrench.
10.
Hold injector with cup retainer (12) up and screw
retainer off injector adapter (3). Remove injector
cup (13).
NOTE
Check ball will fall out when barrel is
removed from adapter.
11.
Hold barrel (14) against injector adapter (3) and
turn injector so that barrel faces down. Remove
barrel (14) and check ball (15).
NOTE
The injector barrel and plunger are a
close fit. Do not interchange these
parts.
12.
Remove and discard three O-ring seals (16).
13.
Remove screen retainer (17) and filter
screen (18).
NOTE
Do not remove the injector orifice plug from fuel inlet counterbore.
Roll pins (19) need not be removed from injector adapter (3) unless damaged.
14.
Do not remove injector orifice plug and gasket located behind filter screen (18).
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