Columbus McKinnon CM Hoist E

Check for external evidence of issues

Inspect brake for evidence of slippage

Test control functions for proper operation

Inspect load chain for proper reeving and twists

Inspect loose end link, loose end screw and dead end block on double reeved units

Inspect suspension lug or hook for excess free play or rotation

Model Specific Inspection (RT, RT-2, RRT, RRT-2)

Ensure the area is clean and free from obstructions

Gather necessary materials: Lubriplate Bar and Chain Oil 10-R or equivalent

Inspect the load chain for dirt and debris

Clean the load chain if necessary

Apply Lubriplate Bar and Chain Oil 10-R to the load chain

Ensure natural run-off and full coverage of the lubricant

Ensure all lubricants are handled and disposed of according to safety data sheets and regulations.

Verify that the ProtectorTM is operating without service.

Ensure ProtectorTM is lubricated with Century Lubricants HB-11, #3 grease.

Check if gears have been removed from the housing.

Wipe excess grease off the outside ProtectorTM surfaces with a soft cloth.

Degrease the remaining gears and housings if necessary.

Clean the load chain with a non-acid or non-caustic type solvent.

Slack the chain and inspect each link for nicks, gouges, twisted links, and excessive wear or stretching.

Is the chain worn beyond serviceable limits?

Check gage lengths as indicated in Figure 15.

Is the chain worn beyond the indicated length, nicked, gouged, or twisted?

Ensure the chain is clean, free of twists, and pulled taut before measuring.

Examine the hoist’s chain guides, hook blocks, and liftwheel for wear.

Check for visible damage on the hook

Measure the twist angle of the hook

Is the hook excessively opened or showing seat wear?

Does the latch operate properly with sufficient spring pressure?

Check if the latch springs back to the tip when released

Load Sustaining Parts Inspection