TM 9-4310-394-13
5-7.
FUEL INJECTOR VALVE ASSEMBLY REPLACEMENT.
This task covers:
a.
Removal
b.
Test
c.
Installation
INITIAL SETUP
Tools Required
Tool Kit, General Mechanic's (Appendix B, item 1)
Test Stand, Injector (Appendix B, Item 3)
Torque Wrench Common 0-175 in-lb (Appendix B, Item 3)
Material's/Parts Required
Cloth, Lint-free (Appendix E, Item 1)
Hex Head Bolt, 3/8 x 4 inch UNC
Gasket, Nozzle, 114250-11460 (Appendix H, Item 10)
Spacer, Nozzle, 114350-11470 (Appendix H, Item 11)
Equipment Condition
Air compressor unit shut down and cool.
a.
Removal. (Refer to Figure 5-1).
CAUTION
Do not touch tip of fuel injection nozzle as damage to
equipment can occur.
(1) Disconnect fuel return line and fuel injector tube from fuel injector valve assembly.
(2) Remove two hex head nuts (1), terminal lug (2), and retaining plate (3).
NOTE
If the nozzle is tight, gently pry nozzle using a small
pry bar. Be careful not to pry on the fuel return
hose hub.
(3) Carefully remove fuel injection nozzle (4). Wrap it in clean cloth to protect the nozzle tip. Do not place nozzle
tip directly on any dirty surface without protection.
(4) If nozzle gasket (5) and spacer (6) are not attached to nozzle at removal, screw a 3/8 x 4 inch UNC hex head bolt
into nozzle gasket, then remove stud bolt. The gasket and spacer should come out and be discarded.
WARNING
Death or serious injury could occur if fuel is not
handled properly. Use in a well-ventilated area
away from open flame, arcing equipment, ignition
sources, heaters, or excessive heat. Always store
fuel in properly marked containers. DO NOT
SMOKE.
5-4
