Columbus McKinnon M Hoist C

Ensure all safety data sheets are reviewed and understood before handling lubricants.

Verify compliance with local, state, and federal regulations for handling and disposing of lubricants.

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

Ensure ProtectorTM has not been degreased or disassembled.

Wipe excess grease from ProtectorTM surfaces if gears are removed.

Degrease remaining gears and housings if necessary.

Inspect for chemical damage, deformations, or cracks on the hook.

Check for more than a 10° twist from the hook’s unbent plane.

Inspect for excessive opening or seat wear.

Ensure the latch engages the tip of the hook properly.

Verify that the latch is not damaged or bent.

Check that the latch operates properly with sufficient spring pressure.

Ensure the latch springs back to the tip when released.

Ensure the load chain is clean before lubrication

Is the environment hot and dirty?

Apply sufficient lubricant to obtain natural run-off and full coverage

Was the chain lubricated several times between cleanings?

Ensure motor oils are not used as a chain lubricant

Check for external evidence of issues

Inspect brake for evidence of slippage

Test control functions for proper operation

Check load chain for proper reeving and twists

Inspect chain guides for wear or burring

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

Inspect shackle and lug pins for wear

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.