1. The hook should be lifted more than two meters from the ground, the cart is parked at the designated position, the controller handle should be placed in the “zero” position; the knife gate is pulled down, the power is cut off, and safety is ensured.
2. Carry out daily maintenance:
a. The key of the power switch box is managed by the designated personnel. The electric hoist must be regularly maintained, inspected and lubricated by a special person to avoid accidents.
b. Check the electrical equipment and control system and the hook for cracks or cold deformation after every 200 hours of use.
c. After 50 hours of use, check the damage of the wire rope reel and the rope guide and the fastening of the support bolts.
d. Every one year, the use condition of crane machine should be thoroughly checked, especially the wearing parts and transmission parts. If there is too much wear, it should be replaced immediately.
3. Do a good job in the handover class.
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