245. Operating conditions: Every hoisting device shall be used, maintained and repaired in such a manner that its use does not compromise the health, safety or physical well-being of workers. Consequently, such a device shall:(1) be inspected before it is used for the first time;
(2) have its motor turned off when filling the gas tank;
(3) not be used if strong winds, storms or extreme temperatures make it dangerous to use;
(4) not be used when repair or maintenance work is being carried out;
(5) be inspected and maintained in accordance with the manufacturer’s instructions or standards offering equivalent safety;
(6) when one of its parts is repaired, reconditioned or replaced, provide as regards this part a level of safety that is equivalent to that of the original part;
(7) not be modified to increase its rated load or to be used for any other purpose without a signed and sealed certificate from an engineer or a written certificate from the manufacturer, indicating that the modification is safe.