6.8.3 Post Installation Checks

  1. On completion of the installation and supply connection to power operated hoists, all functions and motions of the unit should be checked for correct operation.

  2. In the case of an electric power operated chain hoist, care must be taken with the first operation of the hoist/lower motion as the slack chain may have become tangled in transit and erection. The motion should be run allowing the chain to feed out a few inches at a time, any twists or loops being straightened out before the chain enters the body of the unit and, in the case of multi-fall units, before it feeds around idler pulleys in the bottom hook assembly.

  3. The length of chain or wire rope should be checked to ensure that the hook will reach its lowest point without running out fully.

  4. Ensure hoist limits are correctly set and prevent overrun in either the hoist or, where fitted, lower motions.

  5. If a slipping clutch is fitted check this is functioning correctly in accordance with the manufacturer’s instructions.

  6. Ensure the brake is operating correctly. Raise and lower a load equal to the marked SWL. The brake should sustain this at any position throughout the range of lift.

  7. Set any working limits to the required top and bottom positions of the hook. Trial run the hoist to ensure the working limits operate correctly.

  8. A similar running check should be made to the powered trolley unit ensuring any travel limits are set to the required positions and operate correctly.