SkyTrak 6036 Service Manual - Manual (Page 94)

Boom
3.54 Model 6036 Legacy
Retract Chain Removal
1. Park the vehicle on a hard, level surface.
2. Fully retract the boom and raise the boom to a
horizontal position. Place the travel select lever in
(N) NEUTRAL, move the neutral lock lever to
NEUTRAL LOCK position, engage the parking brake
switch and shut the vehicle OFF.
3. Remove the thumbscrew (Fig. 3-119, 1), lockwasher
(2) and flat washer (3) holding the rear cover (4) to
the rear of the outer boom. Lift the rear cover straight
up until the capscrew in the top of the cover clears
the retaining hole in the top of the outer boom.
Remove the cover from the outer boom.
Figure 3-119 Remove the Boom Rear Cover
4. At the front underside of the outer boom, record the
amount of threads extending beyond the elastic
locknut (Fig. 3-120, 1). This measurement will be
the starting point for adjustment of the boom retract
chain.
5. Remove the elastic locknut (Fig. 3-120, 1) and flat
washer (2) holding the retract chain threaded clevis
(3) to the mounting tab. Save the flat washer and
discard the elastic locknut.
Figure 3-120 Install the Retract Chain Locknut
Note: Record the location of the shoulder bolt
(Fig. 3-121, 1) to ensure correct installation.
6. At the rear of the boom, locate the two retract chain
anchor plates (Fig. 3-121, 2) holding the retract
chain to the inner boom, just in front of the retract
chain sheave. Remove the elastic locknut (3) and
shoulder bolt (1) holding the retract chain clevis (4)
to the anchor plates. Discard the elastic locknut and
save the shoulder bolt. The two anchor plates can
remain in place on the inner boom.
Figure 3- 121 Retract Chain Anchor Plates
7. From the rear of the boom, pull the retract chain out
of the rear of the boom.
MA6420
4
2
1
3
MH1110 1 2
3
MA8010
2
3
1
4