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Section 5 – Procedures Mast Roller Inspection/Maintenance
3. Locate the chain assemblies inside the mast.
Lubricate the entire length of chain and anchor
points using spray on industrial “Moly based”
chain lubricant (for example Crown Wire Rope,
Chain and Cable Lube 7043).
Apply Lubricant
Figure 10 Chain lubrication
4. Exit the work platform.
5. From the base controls, fully raise and lower the
platform three times to distribute the lubricant.
6. Install the mast cover at the top.
Figure 11 Mast Top Cover Installation.
5.10 Mast Roller Inspection/
Maintenance
5.10-1 Roller Operation Inspection
1. Using the base controls, fully retract the mast.
WARNING
Crushing/entrapment hazard due to moving
chains/rollers and mast components. Keep all
hands, other body parts and clothing away from
moving parts.
2. Enter the platform and remove top mast cover.
Figure 12 Top Cover Removal.
3. Inspect for metal shavings and dusty residue
around the roller mounts and on the chain.
This could indicate roller and/or chain erosion.
Monitor for visible (magnetic) dusting and feel
rollers for any grooving.
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