SkyTrak 8042 Service Manual - Manual (Page 79)

Boom
3.18 Model 8042, 10042, 10054 Legacy Rev. 03/04
20. Label and remove the retract hoses (1) from the
straight connectors on both Slave cylinders (2).
21. Label and remove the extend hoses (3) from the
straight connectors on both Slave cylinders (2). Plug
the hose ends and cap the straight connectors on
the Slave cylinders.
22. Remove the capscrew (1) and elastic locknut (2)
holding the upper Slave cylinder pivot pin (3) to the
outer boom. Use a hoist and a sling to hold the Slave
cylinder in position. Remove the pivot pin from the
pin mount by pulling the pin out. It may be necessary
to use an appropriate puller threaded into the pivot
pin to remove the pin. Discard the elastic locknut and
retain the capscrew.
23. Remove the capscrew (7) and elastic locknut (8)
holding the lower Slave cylinder pivot pin (9) to the
mounting ear on the frame. Use a brass punch and a
rawhide hammer to remove the lower pivot pin from
the mounting ear. Discard the elastic locknut and
retain the capscrew.
24. Inspect the pivot pins (9) for nicks or damage. If the
pins are damaged, they must be replaced.
25. Use the hoist to remove the Slave cylinder (10) from
the vehicle. Place the Slave cylinder on a clean, flat
surface.
26. Repeat Steps 22 thru 25 to remove the other Slave
cylinder.
27. On the right side boom pivot mounting plate, locate
the boom proximity sensor (11). Remove the nut (12) on
the inside of the mounting plate. Remove the boom
proximity sensor from the outside of the plate and
allow the sensor to rest on top of the frame, next to the
mounting plate. The sensor can remain connected to
the harness.
28. Remove the capscrew (13) and elastic locknut (14)
holding the upper Lift/Lower cylinder pivot pin (15) to
the outer boom. Securely block the Lift/Lower cylinder in
position. Remove the pivot pin from the pin mount by
pulling the pin out. It may be necessary to use an
appropriate puller threaded into the pivot pin to remove
the pin. Discard the elastic locknut and retain the
capscrew.
MH1200
3
2
1
1
2
3 MH1210
4
5
6
7
8
9
10
MH1220
11
12