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 TM 10-3930-638-24&P
4-3. FUEL SYSTEM MAINTENANCE (cont)
a. Fuel Injector (cont).
REMARKS
ACTION
ITEM
LOCATION
STEP
REASSEMBLY
Wet all parts and hands with clean diesel
Wash and
All parts
26
fuel during assembly
flush
Handle valve by its shank and slide it
Install
Valve (7)
27
partially into body (11)
Install
Locating plate (10)
28
Install in
Lift adjusting
29
pressure
screw (9)
adjusting
screw (4)
On screw (4)
Install
Pressure adjusting
30
screw locknut (3)
On screw (9)
Install
Lift adjusting
31
screw locknut (8)
Install on lift and pressure adjusting screw
Install
Spring (5) and
32
assembly. Tilt injector body and with
spring seat (6)
spring seat contacting valve top, push
valve and spring components into body.
Exercise care not to dislodge spring seat
during reassembly. Thread pressure ad-
justing screw into body by hand until
spring is compressed enough to hold all
parts in place
Install
Compression
33
seal (2)
Use carbon seal tool P/N A42499 as shown
Install
Carbon dam
34
Test and adjust fuel injector
seal (1)
4-85
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