TM 5-3825-229-14&P
6-14. FUEL INJECTORS (cont)
c.
Disassembly (cont).
(5)
Remove injector assembly from the vise.
(6)
Remove nozzle tip nut (2) completely.
(7)
Remove shims (3). Record number of shims.
(8)
Remove spring (4), thrust pin (5) and disc (6). Remove needle (7) and injector tip (8) as an assembly.
(9)
Slide the needle (7) from the tip (8). Hold needle only by stem at top of needle. Place needle and tip on clean,
absorbent cloth or paper. Avoid holding needle by needle body. Perspiration and body oils can corrode the
finely lapped surfaces of the needle.
(10) After cleaning, dip the needle (7) and tip (8) in clean diesel oil.
(11) Slide needle (7) into bore of tip (8). Needle must fit freely into bore of tip. Lift needle about one third of its
length out of tip. Needle should slide down to the seat under its own weight when tip is held at a 45 degree
angle.
6-43
