Genie S-40 Service Manual page 83

October 2014
4 Place a dial indicator between the drive chassis
and the turntable at a point that is directly
under, or inline with, the boom and no more than
1 inch / 2.5 cm from the bearing.
Note: To obtain an accurate measurement, place
the dial indicator no more than 1 inch /
2.5 cm from the turntable rotation bearing.
a
b
c
d
a turntable
b dial indicator
c drive chassis
d turntable rotation bearing
5 At the dial indicator, adjust it to "zero" the
indicator.
Part No. 826364
6 Lower the secondary boom to the stowed
7 Note the reading on the dial indicator.
8 Fully retract the primary boom. Raise the
9 Remove the dial indicator and rotate the
10 Repeat steps 4 through 9 until the rotation
11 Lower the primary and secondary booms to the
12 Remove the dial indicator from the machine.
S-40 • S-45 • S-40 TRAX • S-45 TRAX
Section 3 • Scheduled Maintenance Procedures
CHECKLIST D PROCEDURES
position and lower the primary boom to a
horizontal position. Fully extend the primary
boom.
Result: The measurement is less than
0.063 inch / 1.6 mm. The bearing is good.
Result: The measurement is more than
0.063 inch / 1.6 mm. The bearing is worn and
needs to be replaced.
primary and secondary booms to full height.
Visually inspect the dial indicator to be sure the
needle returns to the "zero" position.
turntable 90°.
bearing has been checked in at least four
equally spaced areas 90° apart.
stowed position and turn the machine off.
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