TM 5-3895-379-23
FUEL INJECTOR AND NOZZLE REPLACEMENT (CB534C) - CONTINUED
0176 00
FUEL INJECTION NOZZLE TEST - CONTINUED
NOTE
If leakage occurs at the nut for the fuel supply line, make sure that the fuel supply line and the nut for the
fuel supply line are correctly aligned with the inlet connection of the fuel injector nozzle.
2.
Loosen the nut (1) for the fuel supply line (3) at each fuel injector nozzle (2).
NOTE
Listen for the low idle to decrease or become rough at each engine cylinder.
3.
The fuel injector nozzle (2) is faulty and should be replaced when the fuel supply line (3) is loosened and the fol-
lowing events occur:
a.
The engine rpm does not decrease.
b.
The engine does not idle roughly.
CAUTION
Do not over-tighten the nut for the fuel supply line. If nut is tightened more, fuel line may become
restricted or threads of fuel injector nozzle and nut may be damaged.
4.
Tighten each nut to 14.7 lb-ft (20 Nm).
3
1
2
(HIDDEN)
401-2158
REMOVAL
CAUTION
4
Cap and plug all openings to prevent any
contaminants from entering the system.
NOTE
All fuel injector nozzles are replaced the
same way. One fuel injector nozzle is
shown.
1.
Remove fuel injector (4) and washer (5).
3
5
401-2104
0176 00-2
