Columbus McKinnon CM Hoist AA-2

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

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

Has the ProtectorTM been degreased or disassembled?

Gear and Drive Shaft Lubrication

Check if gears have been removed from the housing.

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

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

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

Slack the chain for inspection.

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.

Check for visible damage on hooks

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

Inspection for Abuse or Overloading

Is there any indication of abuse or overloading?

Inspect other load sustaining parts for damage

Check if the latch is damaged or bent

Does the latch operate properly with sufficient spring pressure?

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

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

Inspect shackle and lug pins for wear

Check dead end screw in lower hook block for wear and tightness