Columbus McKinnon CM Hoist A

Ensure the area is clean and free from obstructions

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

Check if the load chain is clean before lubrication

Apply Lubriplate Bar and Chain Oil 10-R to the load chain until natural run-off and full coverage is achieved

Was the chain lubricated several times if operating under hot and dirty conditions?

Confirm that motor oils were not used as a lubricant

Check for external evidence of issues

Control functions for proper operation

Load chain for proper reeving and twists

Operation of the control station ensuring buttons operate freely

Suspension lug or hook for excess free play or rotation

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

Shackle and lug pins for wear on Models RT, RT-2, RRT and RRT-2

Check for visible damage on the hook

Measure the twist angle of the hook

Is there excessive opening or seat wear?

Does the latch operate properly with sufficient spring pressure?

Does the latch spring back to the tip when released?

Load Sustaining Parts Inspection

Handle and dispose of lubricants as directed in applicable material safety data sheets and in accordance with applicable local, state, and federal regulations.

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

Has the ProtectorTM been degreased or disassembled?

Wipe excess grease off the outside ProtectorTM surfaces with a soft cloth if gears are removed from the housing.

Degrease the remaining gears and housings if gears are removed.

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

Inspect the chain link-by-link for issues

Is the chain worn beyond serviceable limits?

Check gage lengths as indicated in Figure 15

Is the chain worn beyond the indicated length?

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