1. Personnel shall be protected from hazardous moving parts, e.g., pulleys and shafts, sharp edges and other potential hazards bt using one of the following:
a. Interlocked safety covers. See 7.3.
b. Safety covers requiring a tool for removal.
2. Personnel shall be protected from flying particles, dust and mists, by inherent design, capture ventilation, or by shielding enclosures.
3. All hazards which could result in serious laceration or dismemberment shall be eliminated by designing the equipment with inherent protection.
Where a wire mesh or perforated cover is used for the protection of fans, blowers, etc., the mesh shall meet the requirements of Table 17.
1. Stops - Drawers, gates and other sliding units shall have stops to prevent disengagement.
2. Pinch points - Wherever the sliding action between two hard surfaces creates a pinch point, a guard or shield shall be installed.
1. Units exceeding 16 kg (35 lb.) designed to be removed for service, shall be labeled.
2. Lifting aids (e.g., mechanical device, handles) shall be provided for:
- Lifts in excess of 16 kg (35 lb.).
- Frequent lifts in excess of 4.5 kg (10 lb.).
- Awkward lifts in excwss of 4.5 kg (10 lb.).
1. Top covers shall be provided to prevent objects from falling into the machine.
2. Bottom covers shall be provided to contain burning material inside the machine. Mesh may be used, if required.
3. Horizontally-hinged covers, which are likely to present a hazard, shall be counterbalanced or provided with a fail-safe device to prevent personnel injury.
4. Sliding covers that move in vertical plane shall be counterbalanced or provided with a fail-safe device to prevent personnel injury.
5. Vertical lift doors shall be secured by mechanical means.
Edges or corners of guards, shields, and equipment shall have a break or radius.
1. A machine, when in the stand alone condition, shall not overbalance when tilted 15° .
2. A machine shall not tilt when a force in proportion to the machine weight is applied in either a horizontal or vertical direction at the point of maximum moment when hinged frames, drawers, etc., are extended for service in their most unfavorable positions.
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