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19
PREPA INSPECTION
SECTION
2
• Mast Sections
- Check for cracks
and corrosion. Make sure the cam
levers are not bent or misshapen
and springs are functioning
properly. Check to be sure the cam
lever shaft is not showing excessive
wear. Make sure the connector pins
are not worn or damaged and the
connector pin openings are clean
and free of debris. Be sure the
track teeth are not bent, misshapen,
or excessively worn (0.2 inches of
tooth remaining or less).
(See Figures 2.0, 2.3, and 6.0)
• Climbing Unit
- Check for visible
cracks or corrosion. Check guide
rollers for visible wear and proper
alignment. Check to be sure all
fasteners and interlock pins are
tight and functioning properly.
(See Figure 2.2)
• Gearbox
- Check for any oil leaks.
• Swivel Casters
- Check for any debris
stuck to or around the wheels or
swivel mechanism. Check to be sure
the lock is in good working condition
and that the wheels are functioning
properly.
•
Manual Descent Crank
- Check to be
sure it is present and securely
attached. (See Figure 2.4)
Note:
The mast and climbing unit should be clean and free of grease, oil, and dirt.
Do not lubricate the mast or climbing unit components.
Figure 2.2
- Climbing Unit
Guide
Rollers
Platform
Mount
Opening
Gearbox
Interlock Pin
Drive Shaft
Brake
