Boom Wear Pads - JLG sky trak mmv Service Manual

Boom
4.3.7

Boom Wear Pads

The wear pads used on this vehicle are flat rectangular
wear pads with metal inserts (1).
The inserts are special metal hardware that will scratch
the boom if the wear pads are worn beyond usable limits.
(Refer to Section 4.3.7, Boom Wear Pads .)
1
1
A total of 32 wear pads are installed on the outer, inter-
mediate and inner booms. Eight wear pads are attached
to the inner boom, 16 to the intermediate boom (including
two at the lower rear), and eight to the outer boom. Two
additional wear pads (2) are attached to the front of the
extend/retract cylinder (3).
4.32
1
1
1
MM1751
At the front of the boom, shims are used to maintain a
minimum gap of .07-.13" (1,8-3,3 mm) between the wear
pads and the booms.
Wear Pad Gaps:
FRONT, outer boom to intermediate boom and interme-
diate boom to inner boom:
TOP:............................. .07-.13" (1,8-3,3 mm), minimum
SIDE:............................ .07-.13" (1,8-3,3 mm), minimum
Note: Shim front upper and side wear pads to maintain
minimum gap in both vertical and horizontal directions.
REAR, intermediate boom to outer boom and inner boom
to intermediate boom:
UPPER PADS: Shim upper rear wear pads to maintain a
maximum gap of .06" (1,7 mm) at the rear edge of the up-
per pads, and to maintain a total minimum gap of
.07-.13" (1,8-3,3 mm) in the vertical direction.
3
2
Model MMV Rev. 12/04
MT3110