TM 9-2320-363-34-1
ENGINE RETARDER REPLACEMENT AND REPAIR (CONT)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
C A U T I ON
Failure to use slave piston adjustment procedure will cause poor engine
brake performance and/or serious engine damage.
It is necessary to rotate engine to put exhaust valves in closed position for
each cylinder being adjusted. Make sure proper engine valve lash has been
obtained to prevent damage to equipment.
BACK OUT ADJUSTING SCREW (1) IN SLAVE PISTON BRIDGE (2) UNTIL END OF ADJUSTING
SCREW (1) IS FLUSH WITH BOTTOM SURFACE OF SLAVE PISTON BRIDGE (2).
PLACE 0.02 IN. (0.5 mm) FEELER GAGE BETWEEN SOLID SIDE OF SLAVE PISTON BRIDGE (2)
AND EXHAUST ROCKER ARM ADJUSTING SCREW (3).
TURN ADJUSTING SCREW (4) CLOCKWISE UNTIL LIGHT DRAG IS FELT ON FEELER GAGE.
HOLD ADJUSTING SCREW (4) IN POSITION AND REMOVE FEELER GAGE.
TIGHTEN LOCK NUT (5) TO 26 LB-FT (35 N.m).
USING FEELER GAGE, SET 0.02 IN. (0.5 mm) CLEARANCE BETWEEN ADJUSTING SCREW (1)
AND ROCKER ARM ADJUSTING SCREW (6).
TURN ADJUSTING SCREW (1) CLOCKWISE UNTIL LIGHT DRAG IS FELT ON FEELER GAGE.
HOLD ADJUSTING SCREW (1) IN POSITION AND REMOVE FEELER GAGE.
TIGHTEN LOCK NUT (7) TO 26 LB-FT (35 N.m).
REPEAT STEPS 1 THRU 9 FOR REMAINING CYLINDERS.
NOTE
Follow-on Maintenance:
Install rocker cover (page 3-71).
Connect batteries (TM 9-2320-363-20).
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