SkyTrak 8042 Service Manual - Manual (Page 148)

3.87 Model 8042, 10042, 10054 Legacy Rev. 03/04
Boom
17. Label and remove the retract hoses (20) from the
straight connectors on both Slave cylinders (21).
Label and remove the extend hoses (22) from the
straight connectors on both Slave cylinders (21).
Plug the hose ends and cap the straight connectors
on the Slave cylinders.
18. Remove the capscrew (23) and elastic locknut (24)
holding the upper Slave cylinder pivot pin (25) 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.
19. Remove the capscrew (26) and elastic locknut (27)
holding the lower Slave cylinder pivot pin (28) 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.
20. Inspect the pivot pins (25 and 28) for nicks or
damage. If the pins are damaged, they must be
replaced.
21. Use the hoist to remove the Slave cylinder from the
vehicle. Place the Slave cylinder on a clean, flat
surface.
22. Repeat Steps 18 thru 21 and remove the other Slave
cylinder.
23. On the right side boom pivot mounting plate, locate
the boom proximity sensor (29). Remove the nut (30)
on the inside of the mounting plate. Remove the
boom proximity sensor from the outside of the plate,
and let the sensor rest on top of the frame, next to
the mounting plate. The sensor can remain
connected to the harness.
24. The slings should be placed far enough apart on the
outer boom so the boom will balance when the boom
Lift/Lower cylinder mounting pins and pivot pins are
removed in the following steps.
MH1200
22
21
20
20
21
22
MH1210
23
24
25
26
27
28
MH1220
29
30