TM9-2350-222-20-1-3
ENGINE IDLE ADJUSTMENT (Sheet 1 of 1)
7/16 in. combination box and open end wrench
TOOLS:
Flat-tip screwdriver
Gage (Figure F-3, Appendix F)
FABRICATED TOOLS:
TM 9-2350-222-10
REFERENCE:
Start engine run at idle (TM 9-2350-222-10)
PRELIMINARY PROCEDURES:
Engage parking brake (TM 9-2350-222-10)
Remove upper engine access cover (page 16-40)
1.
Using 3/16 inch end of fabricated gage (Figure F-3, Appendix F), measure distance between stop pin
(A) and bracket shoulder (B).
2.
If distance is more than or less than 3/16 inch, use wrench and loosen jamnut (C) on idle adjustment
screw (D).
Using screwdriver, turn screw (D) clockwise to increase distance and counterclockwise to decrease
3.
distance.
4.
Using wrench, tighten jamnut (C).
5.
Check idle speed. If it is not between 700-750 rpm (shown on tachometer), notify support
maintenance.
Stop engine (TM 9-2350-222-10).
7.
Install upper engine access cover (page 16-40).
End of Task
TA253216
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