TM 9-2320-272-24-4
5-6. FUEL INJECTOR SLEEVE MAINTENANCE
THIS TASK COVERS:
a. Removal
d. Fitting and Forming
b. Bead Cutting
e. Check and Test
c. Installation
INITIAL SETUP:
APPLICABLE MODELS
TOOLS
M939lAl
General mechanic's tool kit (Appendix E, Item 1)
Torque wrench (Appendix E, Item 146)
SPECIAL TOOLS
Dial indicator (Appendix E, Item 36)
Drill press
Bead cutting tool (Appendix E, Item 9)
Injector sleeve expander tool (Appendix E,
MATERIALS/PARTS
Item 73)
Injector sleeve cutter (Appendix E, Item 72)
Injector sleeve (Appendix D, Item 257)
Injector protrusion gauge (Appendix E, Item 53)
Injector sleeve O-ring (Appendix D, Item 478)
Injector sleeve holding tool (Appendix E,
Cutting oil (Appendix C, Item 26)
Item 74)
Lubricating oil (Appendix C, Item 50)
Injector sleeve installation mandrel (Appendix
Prussian blue (Appendix C, Item 54)
REFERENCES (TM)
Injection sleeve extractor (Appendix E,
Item 67)
TM 9-2320-272-24P
EQUIPMENT CONDITION
Cylinder head disassembled (para. 5-3).
Place cylinder head (5) on workbench with exhaust manifold side down.
1.
Insert tapered end of lower puller collar (7) into injector sleeve (6).
2.
Insert upper puller collar (9) on top of collar (7) with threaded end out.
3.
Position support bridge (10) over threaded end of collar (9) with one hand holding support
4.
bridge (10) legs against cylinder head (5) and install washer (11) and nut (12). Tighten nut (12)
finger tight.
While holding support bridge (10) insert threaded rod (4) through holes in collars (7) and (9).
5.
Install hex nut (1) and extractor tip (3) on threaded rod (4) and tighten. Ensure extractor tip (3) is
6.
seated firmly against injector sleeve (6) bottom.
Tighten nut (1) to remove injector sleeve (6). Discard injector sleeve (6).
7.
Remove O-ring (8) from injector sleeve bore (2). Discard O-ring (8).
8.
5-26
