Check The Boom Wear Pads - Genie S-100 Service Manual

Section 4 • Scheduled Maintenance Procedures
Checklist D Procedures
D-1

Check the Boom Wear Pads

Genie specifications require that
this procedure be performed every
1000 hours or annually, whichever
comes first.
Maintaining the boom wear pads in good condition
is essential to safe machine operation. Wear pads
are placed on boom tube surfaces to provide a low
friction, replaceable wear pad between moving
parts. Improperly shimmed wear pads or continued
use of worn out wear pads may result in component
damage and unsafe operating conditions.
1 Start the engine from the ground controls.
2 Raise the end of the boom to a comfortable
working height (chest high). Stop the engine.
3 Remove the protective covers from the platform
end of each boom tube.
4 Measure each wear pad.
Boom wear pad specifications
Minimum thickness
5 Replace any wear pad if it is less than
specification. If a wear pad is not less than
specification, shim as necessary to obtain zero
clearance.
If the wear pads are still within
specification, refer to Repair
Section 4-2, How to Shim the
Boom.
6 Remove the boom end cover retaining fasteners
at the pivot end of the boom. Remove the boom
end cover from the machine.
4 - 50
7 Remove the boom side inspection cover
retaining fasteners from the boom at the pivot
end of the boom. Remove the boom inspection
cover from the machine.
8 Repeat step 7 until all boom inspection covers
at the pivot end of the boom are removed.
9 Measure each wear pad at the pivot end of the
boom.
Boom wear pad specifications
Minimum thickness
10 Replace any wear pad if it is less than
specification. If a wear pad is not less than
specification, shim as necessary to obtain zero
clearance.
11 Extend and retract the boom through the entire
range of motion to check for tight spots that
may cause binding of the boom tubes.
1
/ inch
2
12.7 mm
S-100 & S-105 & S-120 & S-125
January 2010
Always maintain squareness
between the outer and inner
boom tubes.
Part No. 62401
REV A
1
/ inch
2
12.7 mm