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Subchapter 7. General Industry Safety Orders
Group 4. General Mobile Equipment and Auxiliaries
Article 25. Industrial Trucks, Tractors, Haulage Vehicles, and Earthmoving Equipment

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§3663. Maintenance of Industrial Trucks.

(a) Industrial truck repair operations involving open flames or which may produce sparks or other sources of ignition shall not be performed in Class I, II and III locations, unless and until tests show that atmospheric concentrations of flammable or combustible vapors do not exceed 20 percent L.E.L. of such flammable or combustible materials and until precautions are taken to maintain the atmosphere at or below 20 percent L.E.L. Such precautions could include, but not be limited to removal of flammable material, provision for adequate ventilation, etc.

(b) Water mufflers shall be filled daily or as frequently as is necessary to prevent depletion of the supply of water below 75 percent of the filled capacity. Vehicles with mufflers having screens or other parts that may become clogged shall not be operated while such screens or parts are clogged. Any vehicle that emits hazardous sparks or flames from the exhaust system shall immediately be removed from service, and not returned to service until the cause for the emission of such sparks and flames has been eliminated.

(c) Industrial trucks shall be kept in a clean condition free of debris, oil, and grease.

(d) Batteries on all powered trucks shall be disconnected during repairs to the primary electrical system unless power is necessary for testing and repair. On trucks equipped with systems capable of storing residual energy, that energy shall be safely discharged before work on the primary electrical system begins.

(e) All replacement parts for industrial trucks shall be equivalent in safety to the original parts.

(f) Those repairs to the fuel and ignition systems of industrial trucks which involve fire hazards shall be conducted only in locations designated as safe for such repairs.

(g) Industrial trucks shall not be altered so that the relative positions of the various parts are different from what they were when originally received from the manufacturer, nor shall they be altered either by the addition of extra parts not provided by the manufacturer or by the elimination of any parts, except as provided in subsection (h) of this Section. Additional counterweighting of fork trucks shall not be done unless approved by the truck manufacturer.

(h) Industrial trucks originally approved for the use of gasoline for fuel may be converted to liquefied petroleum gas fuel provided the complete conversion results in a truck which embodies the features specified for LP or LPG designated trucks. Such conversion equipment shall be approved.

NOTE

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

HISTORY

1. Renumbering from Section 3668, and renumbering of former Section 3663 to Section 3665 filed 7-26-78; effective thirtieth day thereafter (Register 78, No. 30). For prior history see Register 75, No. 7.

2. Amendment filed 12-12-84; effective thirtieth day thereafter (Register 84, No. 50).

3. Amendment filed 4-30-85; effective thirtieth day thereafter (Register 85, No. 18).

4. Amendment of subsection (e) and new subsections (g)-(h) filed 10-30-2003; operative 11-29-2003 (Register 2003, No. 44).

§3664. Operating Rules.

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