Columbus McKinnon CM Hoist J

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

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

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 use of Century Lubricants HB-11, #3 grease for the ProtectorTM.

Have the gears been removed from the housing?

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

Lubricate the following parts with Lubriplate Bar and Chain Oil 10-R

Apply a light film of EP Grease to the spherical surfaces of the sheave stud nut and the sheave stud nut seat.

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?

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

Measure the gage lengths of the chain

Is the chain worn beyond the indicated length?

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

Check chain guides for wear or burring

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

Inspect shackle and lug pins for wear