Columbus McKinnon CM Hoist AA

Check for visible damage on the hook

Does the hook allow the latch to not engage the tip?

Inspect the latch for damage or bending

Does the latch operate properly with sufficient spring pressure?

Does the latch spring back to the tip when released?

Load Sustaining Parts Inspection

Inspect other load sustaining parts for damage

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

Ensure the ProtectorTM is operating without service and has not been degreased or disassembled.

If gears are removed, wipe excess grease off the outside ProtectorTM surfaces with a soft cloth.

Degrease the remaining gears and housings if gears are removed.

Add 7 oz. of Century Lubricants HB-11, #3 grease to gears and housing upon reassembly.

Coat the spline on the end of the drive shaft with a molydisulphide lubricant such as 'Super Herculon'.

Apply a light film of machine oil to the limit switch shaft threads.

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

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 between cleanings under hot and dirty conditions?

Confirm that motor oils are not used as a lubricant

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 chain guides for wear or burring

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