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Hand chain hoist needs regular inspection

2025-06-19

rizhi

Depth Inspection: - Chain: Thoroughly check the condition of each link, measure the wear at critical positions (such as link diameter), and determine if replacement is necessary. Check if the connecting rings (if any) are reliable. - Hook: Inspect the dangerous section for wear more carefully, measure changes in opening size, and check if threaded connections (if any) are tightened. - Sprocket/Gear: Check the tooth wear, ensure proper meshing, and look for pitting or flaking. - Brake System: Inspect the brake pads (ratchets, friction plates) for wear, confirm normal spring tension, and verify that the ratchet and pawl engagement is reliable with no skipping teeth. - Bearings/Shaft Sleeve: Check if rotation is smooth, there are no abnormal clearances, and noise.