TM 5-3805-262-34
4-2. FUEL INJECTORS MAINTENANCE (CONT)
DISASSEMBLY ( SHEET 3 OF 3)
g. Loosen and remove nozzle cap
nut.
h. Remove valve stop.
i. Remove seat, adjusting spring,
and shims.
CLEANING AND INSPECTION (SHEET 1 OF 2)
a.
b.
c.
d.
Carbon removing compound is extremely toxic and caustic. Wear protective
goggles and gloves and use only in a well ventilated area. Avoid contact
with skin, eyes, and clothes and don’t breathe vapors. Failure to do so
could cause serious injury.
If you become dizzy while using carbon
removing compound, get fresh air and medical attention immediately. If
contact with skin or clothes is made, remove clothing and wash affected
skin area with large amounts of water.
If eye contact is made, flush
thoroughly with large amounts of water for at least 15 minutes and get
medical aid immediately.
Clean all parts using carbon removing compound. Rinse with clear, clean water
and dry using clean cloths.
In following step, don-t allow wire brush to contact spray hole area of
nozzle tip assembly. To do so will cause damage to nozzle tip assembly.
Clean exterior of body assembly and outside diameter of nozzle tip assembly
using brass wire brush.
Remove nozzle valve from nozzle tip.
Install a cleaning wire 0.0120 to 0.0125 inch diameter in a pin vise. End of
cleaning wire must extend 1/32 inch past tip of pin vise. A longer length of
wire will hit opposite wall of sac hole and break.
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