Genie TZ-34/20 Service Manual page 52

Section 4 • Repair Procedures
PLATFORM COMPONENTS
7 Disassemble the gear assembly.
Note: For ease of assembly, note the order of
disassembly of the gear assembly.
8 Visually inspect the inside of the platform
rotator for the following items:
• Excessive wear
• Broken or damaged parts
• Rust or corrosion
• Binding
Note: If any parts are lightly rusted or corroded,
remove them and clean rust or corrosion off with
a wire brush. If parts are worn, heavily rusted or
corroded, replace them.
9 Remove the gear shaft from the shaft retainer
bracket.
10 Thoroughly degrease and dry the case, covers
and gear components.
11 Install the gear shaft fully into the shaft retainer
bracket. Torque to specifi cation.
12 Assemble the gear assembly in the reverse
order of disassembly in step 7.
13 Install the gear assembly retaining nut onto the
top of the shaft. Torque to specifi cation.
14 Install the case over the gear assembly and
onto the shaft seal plate. Install and securely
tighten the retaining fasteners. Do not over
tighten.
4 - 4
15 Thoroughly and heavily lubricate each tooth of
the gear using multipurpose grease. Rotate the
gear case as required.
Note: When lubricating the gear, do not apply any
grease to the remainder of the gear assembly
components. Grease on the balance of the gear
components may result in slippage and poor
rotator performance.
16 Install the rotate handle shaft and pinion into
the rotate gear case.
17 Thoroughly and heavily lubricate each tooth of
the pinion using multipurpose grease.
18 Install the rotate handle shaft cover. Install and
securely tighten the cover fasteners. Do not
over tighten.
Torque specifi cation
Rotate gear shaft retainer bracket, dry
Rotate gear nut, dry
Genie TZ-34/20
January 2016
50 lbs-ft
68 Nm
200 lbs-ft
271 Nm
Part No. 825934