TM 9-2320-260-34-1
5-6. FUEL INJECTOR REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
MATERIALS/PARTS
APPLICABLE MODELS
Lubricating oil (Appendix C, Item 21)
All
REFERENCES (TM)
TOOLS
TM 9-2320-260-10
General mechanic's tool kit
TM 9-2320-260-34P-1
(Appendix B, Item 1)
Torque wrench, 3/8-in. dr.
EQUIPMENT CONDITION
(Appendix B, Item 4)
Parking brake set (TM 9-2320-260-10).
Injector puller (for top stop injectors)
Valve crossheads removed (para. 3-16).
(Appendix B, Item 109)
Injector puller (for non-top stop injectors)
(Appendix B, Item 108)
a. Removal
1.
Remove link (1) from injector (6).
CAUTION
Do not turn injector upside down after removal. Plunger will fall
out and be damaged.
Do not damage injector tip during handling. Ensure injectors
and plungers are not intermixed. Always number injectors
according to the cylinder head from which they were removed.
Failure to do so may cause damage to injectors.
NOTE
Perform step 2 for removing non-top stop injectors found on
early model engines.
Perform step 3 for removing top stop injectors found on late
model engines.
2. Remove two screws (2), retaining clamp (3), washer (9), and injector (6) from cylinder head (4) and
injector bore (5).
3. Remove two screws (2), retaining clamp (3), and injector (6) from cylinder head (4) and injector
bore (5).
b. Installation
CAUTION
Ensure no foreign objects have fallen into cylinder head through
injector bore. Failure to do so may cause damage to engine.
NOTE
If injector condition is unknown, or has been disassembled,
it must be calibrated before installation (para. 5-7 or 5-8).
When positioning injector in injector bore, ensure screen on fuel
inlet hole is alined with exhaust side of cylinder head.
1. Lubricate three injector O-rings (7) and position injector (6) in injector bore (5).
