TM 5-1730-245-14
5.15 FUEL INJECTOR - REPLACE.
THIS TASK CONSISTS OF:
a. Removal
b. Inspection
c. Installation
INITIAL SETUP
Tools:
Equipment Condition:
Shop Equipment Automotive Maintenance and Repair:
Organizational Maintenance, Common No. 1, less power
General Safety Requirements:
Material/Parts Required
WARNING
Fuels are toxic and flammable.
Do not use near heat or open flame.
Area should be well ventilated DO NOT SMOKE.
NOTE
Fuel injection components must be absolutely clean.
1) Disconnect and plug injector leak-off hose (13) from the injector body (3).
2) Remove the cylinder head cover nut (1) and rotate fuel tube clamp (5) out of way Discard seal,
special (2)
3) Disconnect fuel tube nuts (8 and 14) and remove fuel tube (6)
4) Remove injector clamp bolt (10), clamp (9) and injector (3).
5) Remove and discard injector copper sealing washer (11) from the cylinder head taking care
not to damage the sealing area and plug injector port.
1) Check nozzle body, needle and threads for deformation, obstructions and serviceability. If
unserviceable replace injector
NOTE
Make sure that the sealing area in the cylinder head (12) is clean and smooth.
1) Apply a thin coat of grease (item 11, Appendix E) on one side of the new injector sealing washer (11)
and install over the injector nozzle.
2) Install the injector (3).
3) Install the injector clamp (9), leaving the bolt (10) finger tight.
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