Hook

• Check whether the marking and anti-falling off device of the hook meet the requirements, and whether the hook has cracks, peeling and other defects;
• Whether the wear of hook section, the increase of opening degree and torsional deformation exceed the standard;
• Whether the neck and surface of the hook have fatigue deformation, crack and wear of relevant pin shaft and sleeve.

Wire Rope

• It is necessary to check whether the specification and model of steel wire rope match the pulley drum and meet the design requirements.
• Whether the pressing plate, rope clamp, wedge and other wire rope fixing devices at the fixed end of the wire rope meet the requirements.
• Whether the wear, broken wire, kink, flattening, bending, broken strand and corrosion of steel wire rope exceed the standard.

Braking Device

• The brake pad shall be free of burning and burnt smell, and the friction surface of the brake wheel shall be free of oil stain.

Reel

• Whether there are fatigue cracks and damages on the drum body and drum edge;
• Whether the wear of rope groove and barrel wall exceeds the standard;
• Whether the height of the drum rim matches the number of winding layers of the steel wire rope;
• Whether the working conditions of rope guide and rope guide meet the requirements;

Pulley

• Whether the pulley is equipped with anti-rope falling off groove device;
• Whether there are cracks, broken edges and excessive wear on the pulley rope groove and rim, and whether the pulley rotates flexibly.

Reducer

• Whether there are abnormal sounds such as violent metal friction sound, vibration and shell radiation during reducer operation;
• Whether the shaft end is sealed well, whether the fixing bolt is loose or damaged;
• Whether the selection of reducer lubricating oil, oil level, operation of vertical reducer lubricating oil pump and open gear transmission lubrication meet the requirements.

Wheels

• Whether the wheel tread and axle have fatigue cracks, and whether the wheel tread and axle wear exceed the standard.
• Whether rail gnawing occurs during operation.
• What is the cause of rail gnawing.