WAC 296-307-52045. Servicing powered industrial trucks

(1) Powered industrial trucks that need repairs, are defective, or in any way unsafe must be taken out of service until restored to safe operating condition. (2) Stop the engine before filling fuel tanks. Avoid spilling fuel. (3) When oil or fuel spills, wash the spill away carefully or evaporate the spill completely and replace the fuel tank cap before restarting engine. (4) No truck may be operated with a leak in the fuel system. (5) Open flames are prohibited for checking electrolyte level in storage batteries or gasoline level in fuel tanks.