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5 OPERATION & CONTROLS
NOTE: If the brass bushing is removed from shaft, apply
Loctite #290 or an equivalent to inside of bushing
before re–installation.
If the eccentric is removed from the shaft, Loctite
#290 or an equivalent, must be applied to the eccen-
tric surface and to the key on the shaft before re–
installation. After installation, apply more Loctite
around the key surface still showing. See Figure 27.
2
FIGURE 27
1. Eccentric
2. Bushing
5.20
ASSEMBLY OF CUT-OFF
1. If the eccentric was removed, install from the right
side of the unit, and push shaft with eccentric, into
case and install snap ring.
2. Install the connecting rod, seal ring (concave side
toward connecting rod) and retainer. See Figure 28.
FIGURE 28
1. Seal Ring
16
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1
2537
1
CONNECTING
ROD
CONCAVE SIDE
TO
CONNECTING ROD
RETAINER
3. Install the right side rocker arm and torque nuts to
100 ft-lbs. (136 N·m). Be sure the key is in the shaft
for the rocker arm (refer to nuts shown in Figure 26).
4. Before installing the cam, remove the lubrication fit-
ting and stretch "O" ring over cam. The "O" ring will
be positioned later. See Figure 29.
2
3
FIGURE 29
1. Thrust Washers
2. Thrust Bearing
3. Cam
5. Install thrust washers and thrust bearing into cam
and slide into place on shaft. See Figure 30.
5.21
SPRING PRESSURE ADJUSTMENT
1. From left side of cut-off, install washers and spring on
tie rod and pressure plate assembly (replace brake
lining if needed). Check the length of the spring. The
length of the spring must be 4" + .050" (102 mm + 3
mm).
NOTE: If the spring length is not 4" + .050" (102 mm + 3
mm) the spring MUST be replaced. DO NOT add
washers or shims to make up the difference in the
length of the spring.
2. Install assembly into cut-off case housing and push
pressure plate (with tie rod) into shaft until the spring
and spacer(s) are inserted as far as possible.
3. Measure the distance from the housing flange to the
brake lining. This dimension should be 7/16" + 1/64"
(11.11 mm + .395 mm).
1
"O" RING
ROLLED
OVER CAM
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