LIFTKET Hoffmann Electric Chain Hoist 070/51

Check if the brake stops the load after approx. two chain braking link lengths in a jerking manner.

Check all screws, hold down, chain guide, twisted chain, and safety devices

Check the condition of the electric cable, power cable, and pendant control

Check the condition of the trolleys and wheels

Perform function check of the lift limiter

Chain Bag Condition and Positioning

Check the condition of the chain bag

Ensure safe positioning of the chain bag

Loosen the screws of the cap for gear cover

Loosen the three fastening screws of brake unit

Fit new brake unit onto the motor shaft

Ensure continuous monitoring of the load chain according to DIN 685 section 5 and DGUV V54 (BGV D8), § 27.

Has the load chain been tested before starting operation?

Check the load chain for the following issues

Measure the nominal thickness at the points of contact

Is the nominal thickness reduced by 10%?

Measure the elongation of a single chain link

Is any chain link elongated by 5%?

Lubricate the entire length of the load chain with penetrating gear lubricant oil before starting operation for the first time.

Lubricate the load chain during operation with no load.

Clean the links of the load chain before subsequent lubrication.

Select the type of dry-film lubricant to use when ambient influences are conducive to wear

Describe the frequency of use and operating conditions affecting lubrication needs.