SkyTrak 8042 Service Manual - Manual (Page 84)

3.23 Model 8042, 10042, 10054 Legacy Rev. 03/04
Boom
Note: ALWAYS replace elastic locknuts with new elastic
locknuts to help ensure proper fastening.
11. Lift the rod end of the Extend/Retract cylinder (19)
far enough to insert the threaded stud on the rubber
bumper (20) into the hole in the Extend/Retract
cylinder retainer (21). Secure the rubber bumper in
place with a new elastic locknut (22). Tighten
securely. Lower the rod end of the Extend/Retract
cylinder, and allow it to rest on the rubber bumper.
12. This step is for Model 10042 S/N 13198 thru 18405
Only:
Note: On Model 10042 S/N 18406 & After, the stop
plate is an internal component of the extend/retract
cylinder.
Install the boom stop plate:
a. Extend the boom far enough to reassemble the
boom stop plate (23) to the extend cylinder
rod (24).
b. Place the flat washers (25), saved, a cover
plate (26), saved, and a clamp (27), saved, onto
the capscrews (28), saved.
Note: ALWAYS replace elastic locknuts with new elastic
locknuts to help ensure proper fastening.
c. Place the clamp and capscrews onto the bottom
of the extend cylinder rod and place the other
clamp (29), saved, the safety plate (30), saved,
the other cover plate (31), saved, and the stop
plate (23) on top of the cylinder rod. Secure the
capscrews and clamps in place with two new
elastic locknuts (32). Be sure the stop plate is
lined up with the bottom edge of the outer boom
and tighten both elastic locknuts securely.
13. Using a hoist capable and slings, lift the outer boom
assembly and position the boom on the frame. Align
the mounting plates (33) on the frame between the
mounting hubs (34) on each side of the boom
assembly. Lower the boom assembly until the holes
in the boom assembly and the mounting plates align.
MH1360
19
20
21
22
MH1250
23
24
25
26
27
28
29
30
31
32
MH1370
33
34
33
34