SkyTrak 8042 Service Manual - Manual (Page 94)

3.33 Model 8042, 10042, 10054 Legacy Rev. 03/04
Boom
11. Assemble the top wear pads to the inside of the
outer boom:
a. Place the wear pad inserts (10), saved, into the
cavities of the top wear pads (11), saved.
b. Fill all wear pad cavities with a good grade of
lithium-based EP grease.
c. Apply Loctite
®
242 threadlocker to the threads of
the capscrews (12), saved. Slide the wear pad
between the intermediate boom and the outer
boom with the offset of each wear pad away from
the center. Align the holes and secure in place
with the capscrews (12), lockwashers (13),
saved, and flat washers (14), saved. Be careful
not to push the wear pad inserts out of the wear
pads.
d. Torque all wear pad mounting capscrews to
31 ±3 lb-ft (42 ±4 Nm).
12. Place the double extend chain sheave (15), saved,
between the mounts at the front of the intermediate
boom. Insert the sheave pin (16), saved, through the
mounts and the double sheave. Align the mounting
hole in the sheave pin with the threaded hole in the
sheave mount and secure in place with the saved
capscrew (17) and lockwasher (18). Tighten
securely.
13. After the sheave is assembled, grease the sheave
with a good grade of multi-purpose grease. Turn the
sheave by hand to distribute the grease evenly.
14. Use a hoist and sling to lift the rod end of the Extend/
Retract cylinder (19). Align the rod end of the
Extend/Retract cylinder with the mounts (20) at the
front of the intermediate boom.
15. Coat the Extend/Retract cylinder rod end pin (21),
saved, with anti-seize compound. Insert the rod end
pin through the mounts and secure in place with the
retaining rings (22), saved. Be sure the retaining
rings are securely seated in the rod end pin grooves.
MH1550
10
11
12
13
14
MH1090
15
16
17
18
MH1560
22
20
19
20
21
22