Section 4 • Scheduled Maintenance Procedures
Part No. 62401
S-100 & S-105 & S-120 & S-125
4 - 55
January 2010
REV A
3 Using a feeler guage, measure the gap between
the swing hub pinion gear and the turntable
rotation bearing at the center tooth. The gap
should be meaured on one side of the pinion
gear on the center tooth.
The pinion gear can be accessed
on the outside of the chassis under
the pinion gear guard.
Result: The gap is between .010 inch / .254 mm
and .022 inch / .559 mm. The backlash is within
tolerance.
Result: The gap is less than .010 inch / .254
mm or more than .022 inch / .559 mm. The
backlash needs to be adjusted. Refer to Repair
Section 12-1,
How to Adjust the Turntable
Rotation Gear Backlash.
4. After the backlash has been set, place a tape
measure approximately two feet long / 0.6 m,
perpendicular to the boom, on the ground under
the rotator.
Fasten a straight edge on the side
of the rotator using tape so one
end is just above the tape
measure.
CHECKLIST
D
PROCEDURES
5. Apply approximately 20 lbs / 89 N of side force
to the platform, moving the rotator to the left as
far as it will go. Move the tape measure so the
straight edge on the rotator measures
0 inches / 0 m.
5. Apply approximately 20 lbs / 89 N of side force
to the platform, moving the rotator to the right
as far as it will go.
6. Note the distance on the tape measure the
rotator has moved.
Result: The rotator movement does not exceed
2 inches / 51 mm. The backlash is in tolerence.
Result: The side-to-side rotator movement
exceeds 2 inches / 51 mm. The turntable drive
hub may need service. Contact Genie Industries
Service Department.
Содержание S-100
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