SkyTrak 8042 Service Manual - Manual (Page 223)

Boom
3.162 Model 8042, 10042, 10054 Legacy Rev. 03/04
7. Remove the capscrews (1) and lockwashers (2)
holding the lower wear pad to the bottom of the
secondary intermediate boom.
8. Apply Loctite
®
242 threadlocker to the threads of the
capscrews. Line up the holes in the lower mounting
plate on the hose carrier support (3) and reinsert the
capscrews and lockwashers. Be careful not to push
the inserts out of the wear pads.
9. Torque all wear pad mounting capscrews to 31 ±3 lb ft
(42 ±4 Nm).
10. At the rear of the boom, place the retract chain (4)
up and over the chain sheave in front of the hose
reel assembly (5). Place the clevis between the two
anchor plates (6). Line up the hole in the clevis with
the second hole from the rear of the anchor plates.
Note: ALWAYS replace elastic locknuts with new elastic
locknuts to help ensure proper fastening.
11. Insert the shoulder bolt (7), saved, through the
plates and clevis, and secure in place with a new
elastic locknut (8). Tighten the locknut securely.
Note: Shim ALL side wear pads as needed to maintain
a total minimum gap of .07 to .13" (1,8 to 3,3 mm) in the
horizontal direction.
12. Install the side wear pads to the secondary
intermediate boom:
a. Slide the inner boom over to one side as far as it
will go, to allow wear pad installation.
b. Place the wear pad inserts (9), saved, into the
cavities of the side wear pads (10), saved.
c. Fill all wear pad cavities with a good grade of
lithium-based EP grease.
d. Place the shims (11), saved, onto the wear pad
and line up the holes.
e. Apply Loctite ® 242 threadlocker to the threads of
the capscrews (12), saved. Slide the wear
pad (10) with shims (11) in between the inner
boom and the secondary intermediate boom with
the offset of each wear pad toward the top of the
boom. Line up the holes and secure with the
capscrews (12), lockwashers (13), saved, and
flat washers (14), saved. Be careful not to push
the wear pad inserts (9) out of the wear pads.
f. Torque all wear pad mounting capscrews to
31 ±3 lb-ft (42 ±4 Nm).
g. Repeat Steps a thru f to install the wear pads on
the other side of the secondary intermediate
boom.
MH1850
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2
3
MH2670
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5
6
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8