SectionIV:Maintenance
4.0.MAI.SL-520X
WEAR PAD REPLACEMENT
Outer Tube – Upper Wear Pads
Remove the bolts and slide the wear pads out
the front. Insert new wear pads in the same
orientation, making sure the larger holes
are facing the jib. If shims were installed
on top of the old wear pads, reinsert
them in the same position. Apply thread
locker and bolt wear pads back in.
Outer Tube – Lower Wear Pads
There is a threaded hole in the bottom of the outer tube used to jack the jib up for wear pad
replacement. Insert a 3/4-10 bolt into this hole and raise the jib until weight is taken off the wear
pads. Remove the bolts and slide out the wear pads.
Insert new wear pads in the same orientation,
making sure the larger holes are facing the jib. If
shims were installed beneath the old wear
pads, reinsert them in the same
position. Apply thread locker
and bolt wear pads back in. Back out the
jack bolt so it is no longer contacting the jib.
Jib – Upper Wear Pads
Fully retract the jib, then remove the bolts using
the access holes on the top of the outer tube
(see illustration ). Slide the wear pads out
the back. Insert new wear pads in the same
orientation, making sure the countersink is
facing away from the jib. If shims were
installed beneath the old wear pads, reinsert
them in the same position. Apply thread
locker and bolt wear pads back in.
4-9
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