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Subchapter 7. General Industry Safety Orders
Group 10. Gas Systems for Welding and Cutting
Article 83. Portable Automatic Acetylene Generators

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§4816. Operation and Maintenance.

(a) Portable generators shall be cleaned and recharged and the air mixture blown off outside buildings.

(b) Before a portable generator is recharged, partially or completely, it shall be thoroughly cleaned of all sludge and refilled with clean water.

(c) When charged with carbide, generators shall not be moved by crane, hoist or derrick.

(d) When not in use, portable generators shall not be stored in rooms in which open flames are used unless the generators contain no carbide and have been thoroughly purged of acetylene. Storage rooms shall be well ventilated.

(e) When portable acetylene generators are to be transported and operated on vehicles, they shall be securely anchored to the vehicles. If transported by truck, the motor shall be turned off during charging, cleaning, and generating periods.

(f) Portable generators shall be located at a safe distance from the welding position so that they will not be exposed to sparks, slag, or misdirection of the torch flame or overheating from hot materials or processes.

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.


1. New subsections (e) and (f) filed 5-16-75; effective thirtieth day thereafter (Register 75, No. 20).

2. Amendment of subsections (a) and (d) filed 6-12-87; operative 7-12-87; operative 7-12-87 (Register 87, No. 26).

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