SkyTrak 8042 Service Manual - Manual (Page 224)

3.163 Model 8042, 10042, 10054 Legacy Rev. 03/04
Boom
13. Assemble the top wear pads to the inside of the
secondary intermediate boom:
a. Place the wear pad inserts (15), saved, into the
cavities of the top wear pads (16), saved.
b. Fill the cavities of the wear pad with a good
grade of lithium-based EP grease.
c. Apply Loctite
®
242 threadlocker to the threads of
the capscrews (17), saved. Slide the wear pad
and spacer (18), saved, between the inner boom
and the secondary intermediate boom with the
offset of each wear pad toward the center. Line
up the holes and secure in place with the
capscrews (17) and lockwashers (19), 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).
14. Place the inner boom extend chain (20) up and
around the sheave (21) at the front of the secondary
intermediate boom.
Note: ALWAYS replace elastic locknuts with new elastic
locknuts to help ensure proper fastening.
15. Place the extend chain clevis (22) between the
mounting plates at the front of the secondary
intermediate boom. Coat the shoulder bolt (23),
saved, with anti-seize compound and insert through
the plates and clevis. Secure the shoulder bolt in
place with a new elastic locknut (24). Tighten
securely; but the chain clevis should pivot freely.
MH2720
9
10
11 12
13
14
MH2710
15
16
17
18
19
MH2520
20
21
22
23
24