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Chains, belts, cables, and rotating shafts can catch loose clothing, hair, or jewelry and cause severe injury
Operating overhead doors have multiple moving parts: operator chains or belts, rotating torsion shafts, winding cables, and rollers in tracks. Loose clothing, long hair, jewelry, drawstrings, or rags can be caught and pulled into these mechanisms. Because operators and springs produce significant torque, entanglement injuries can happen in an instant and can include degloving, fractures, and amputation.
Wear close-fitting clothing
Do not wear loose sleeves, baggy shirts, untucked neckties, or hoodie drawstrings while working near moving door components. Tuck in shirts and roll up sleeves.
Secure or remove jewelry and lanyards
Remove rings, bracelets, necklaces, and dangling ID lanyards before working on door mechanisms. Use a breakaway lanyard if an ID badge must be worn.
Tie back long hair
Long hair must be tied back and secured under a cap or hard hat. Hair can be caught by a rotating shaft or winding drum in an instant.
Stop the door before reaching near moving parts
Never reach toward chains, belts, cables, or shafts while the door is in motion. Stop the operator, disconnect power, and wait for all movement to cease before performing any service.
Keep rags and towels away from moving parts
Do not drape rags over the torsion shaft or leave towels near the operator drive. A shop towel caught in a chain or shaft can pull your hand in before you can react.