When a lever hoist is damaged or malfunctioning, it often exhibits specific warning signs that indicate potential hazards. Here are three types of warnings to look out for, along with their common manifestations and implications:

1. Visual and Tactile Warnings

Chain Wear or Damage:

Cracks, Stretching, or Corrosion: Excessive wear on the load chain, especially near the hooks or sprockets.

Rough Surface: Chain links may feel rough or show signs of abrasion.

Hook Deformation:

Bending or Twisting: The hook may bend out of shape, making it difficult to engage or disengage loads.

Cracks or Fractures: Visible cracks at the throat (narrowest part) or tip of the hook.

Latch Failure: The safety latch may not close properly or become stuck.

Brake System Issues:

Loose Brake: The load may slip or drift when the brake is applied.

Worn Brake Pads: Visible wear on the brake pads or lining material.

Housing Damage:

Dents, Cracks, or Rust: The metal housing may show signs of impact damage or corrosion.

Misaligned Gears: The gears inside the housing may become misaligned, causing the hoist to operate roughly.

2. Operational Warnings

Erratic Movement:

Intermittent Locking: The chain may catch or slip during operation.

Uneven Lifting/Lowering: The load may move jerkily or fail to hold its position.

Handle Resistance Changes:

Excessive Force Required: The lever may become harder to pull, indicating worn gears or bearings.

Sudden Release: The handle may "give" unexpectedly, suggesting a broken pawl or internal mechanism failure.

Load Capacity Issues:

Straining Under Light Loads: The hoist may struggle to lift loads within its rated capacity.

Overload Warnings: If equipped, overload indicators may activate prematurely.

3. Environmental and Behavioral Warnings

Environmental Factors:

Corrosion: Rust or pitting on metal components in damp or humid environments.

Temperature Extremes: Overheating in high temperatures or sluggish operation in cold conditions.

Misuse or Abuse:

Side-Loading: The chain or hook is loaded at an angle, causing excessive stress.

Collision Damage: Dents, scratches, or misaligned parts from impacts with other objects.

Overloading: Frequent use beyond the rated capacity, leading to accelerated wear.

Lack of Maintenance:

Dry or Cracked Lubrication: Lack of lubrication on chains and bearings.

Missing or Loose Fasteners: Bolts, pins, or screws may come loose due to vibration.

Accumulated Debris: Foreign objects in the hoist mechanism, such as dirt or metal shavings.

The main equipment produced by Hebei Makita: stage electric hoist, electric chian hoist, wire rope electric hoist，Hand chain hoist, lever hoist, pneumatic hoist and other lifting equipment