SkyTrak 8042 Service Manual - Manual (Page 158)

3.97 Model 8042, 10042, 10054 Legacy Rev. 03/04
Boom
50. At the front of the outer boom, reassemble the lower
outside wear pads (21) and wear pad spacers (22):
a. Place the wear pad inserts (23) into the cavities
in the wear pad. Be sure the inserts are seated
completely in the cavities. Fill each cavity with a
good grade of lithium-based EP grease.
b. Place a wear pad (21) and a spacer (22) into the
outer boom with the hole offset of the wear pad
toward the middle of the boom. Line up the holes
in the spacer and wear pads with the holes in the
bottom of the boom.
c. Apply Loctite
®
242 threadlocker to the threads of
the capscrews (24), saved. Insert the capscrews
with lockwashers (25), saved, through the bottom
of the boom and into the wear pads. 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).
e. Repeat Steps a thru d to assemble the lower
wear pad on the other side of the outer boom.
3.6.6 Primary Intermediate Boom
Installation
1. At the rear of the primary intermediate boom,
assemble the retract chain sheave (26) to the
mounting ears on the right side of the boom. Place
the sheave between the ears and insert the sheave
pin (27) from the left side. Line up the hole in the pin
retainer plate with the threaded hole in the left ear.
2. Secure the pin (27) with the capscrew (28), saved,
and the lockwasher (29), saved. Tighten the
capscrew securely.
3. Grease the sheave using the grease fitting (30) in
the pin. Spin the sheave by hand to ensure the
sheave spins freely on the pin and to distribute
grease evenly.
MH1470
21
22
25
23
24
21
22
23
24
25
WARNING:
Wear protective footwear
with reinforced toe caps and slip-resistant
soles. Failure to comply can result in foot or
other bodily injury from crushing, slipping or
falling.
WARNING:
NEVER lift a heavy object
without the help of at least one assistant or a
suitable sling and hoist. Failure to comply can
result in death or serious personal injury.
MH2260
26
27
28
29
30