TM 5-4320-302-14
6-6. FUEL INJECTOR (CONT)
Location/Item
Action
Remarks
ASSEMBLY
6.
Shims
Insert existing shims into nozzle holder.
NOTE
Spraying pressure is increased by adding shims and reduced by removing them.
7.
Pressure
Insert in nozzle holder.
spring
8.
Plunger
Insert plunger with spigot facing pressure spring.
9.
Intermediate
Insert guide pins into holes in nozzle holder.
piece
10.
Nozzle and
Aline nozzle on intermediate piece and tighten
nozzle cap
nozzle cap to nozzle holder.
ADJUSTMENT/TESTING
11.
Nozzle spray-
Adjust by adding or removing shims below the
ing pressure
spring.
NOTE
Spraying pressure is increased by adding shims and reduced by removing them.
12.
Spray
Test and check spray pattern.
pattern
Jet(s) should be solid without
surrounding mist.
13.
Leakage
Check that there is no after-dribble. If nozzle is
defective, replace.
6-21