TM 5-4310-451-14
5-30. INJECTOR TUBE REPLACEMENT (Con’
12.
Install fuel injector in injector tube (2). Using
sled gage, measure depth of spray tip (10)
beneath surface of cylinder head (5).
13.
Measurement taken in step 12 must read 00.015
in. (0-0.381 mm).
14.
If measurement is correct, perform step 20. If
measurement is more than 0.015 in. (0.381
mm) above zero (0) reading, replace injector
tube (2) and perform steps 15 through 18.
WARNING
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective goggles and gloves, and use only
In a well-ventilated area. Avoid contact with skin, eyes, and clothes, and DO NOT breathe vapors. DO NOT use
near open flame or excessive heat. The solvent's flash point is 100°F-1380F (38°C-590C). If you become dizzy
while using cleaning solvent, immediately get fresh air and medical help. If solvent contacts eyes, immediately
wash your eyes and get medical aid.
15.
Clean injector tube (2) with dry cleaning solvent.
16.
Apply light coat of lubricating oil to second
operation reamer (11) blades.
CAUTION
Reaming must be done slowly and lightly in clockwise
direction only. Injector tube walls are thin and undue
force or speed can cause damage to walls. Turning
reamer In counterclockwise direction will cause damage
to reamer and injector tube.
17.
Insert second operation reamer (11) into injector
tube (2) and ream in clockwise direction.
TA704950
5-69
