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Frequently Asked Questions (FAQ)
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1. What information should I get before buying an overhead crane?
To make sure you choose the appropriate lifting equipment, there are several key elements to identify, which include:
For some equipment with a low operating cycle, basic information may be enough to make a good selection. For equipment with a high operating cycle or special conditions, more information will be needed to ensure proper selection.
Here is a short guide (to download) in order to help you gather most of the relevant information.DOWNLOAD
For more information, we invite you to contact one of our representatives in your area.
Terrebonne, Qc - 1.888.968.0588
Québec, Qc - 1.888.650.0588
2. What are the differences between an electric chain hoist and a wire rope hoist?
The hoist is the lifting mechanism of your equipment. For the purchase of a crane, jib cranes or a monorail, selecting the appropriate hoist is essential, because this component is one of the most heavily relied on.
Electric chain hoist
Electric wire rope hoist
Finally, it is important to note that maintenance costs and product lifetime are similar. The load chain can last up to 30 times longer than a steel cable, minimizing downtime. In return, a lifting chain is more expensive than a steel cable.
3. Before operating an overhead crane, is the load test mandatory?
It is worth remembering that the first part of the load test is to lift a load equal to the rated load of the crane in order to test the brakes, stroke limits and other mechanisms of the equipment. In addition, during the load test, the vertical deflection must be measured. The acceptable deflection criteria varies according to the design of the equipment.
In the second part of the test, 125% of the rated load is raised. The equipment must be able to lift and move the load without difficulty, without necessarily reaching maximum speed.
Following these tests, a report must be produced showing the results and it must be kept in the equipment logbook.
This load test is a recommendation of the American ASME B30.17 Overhead and Gantry standard. However, in Canada and in Quebec, reference should be made to CSA B167 Cranes: Design, Inspection, Testing, Maintenance and Safe Use, which is a mandatory crane design standard.
4. Must an overhead crane be equipped with an emergency stop?
CSA C22.2 No. 33 M1984 of the Canadian Electrical Code, Part 1, which is mandatory in Quebec, reads as follows: "In the case of a multiple motor overhead crane, there must be a main contactor to simultaneously shut down all conductors supplying the current required for the crane's movements. The contactor shall be operated by a stop-reset command located near the crane operator's control station. "
5. Who can do the periodic inspection of our equipment?
Periodic inspection of your lifting equipment is an important task that should not be neglected. For this reason, it must be carried out by a crane inspector with at least 8000 hours of experience in this field (or supervised by such an inspector or engineer). Under NO circumstances should a person with less than 2000 hours of experience in this field be able to inspect lifting devices.
The CSA B167-16 standard is very clear on this. In addition to having 8000 hours of experience, crane inspectors must have recognized professional qualifications (electrician, industrial mechanic, etc.). It is also possible to supervise apprentice inspectors indirectly. To do this, the supervisor of the apprentice inspector must have the necessary skills and experience and he must be consulted by the apprentice for each anomaly and defect. The supervisor must also approve the inspection report. Articles 6.2.1, 6.2.2 and 6.2.3 will further guide you in clarifying the requirements.
6. Is inspection of jib cranes and monorails mandatory?
Yes. The CSA B167-16 standard in effect in Canada requires that these devices be inspected in the same way as overhead cranes. Here is the list of equipment affected by this requirement: overhead cranes, jib cranes, wall jib cranes, monorails, gantry cranes, hoists and other lifting equipment with characteristics similar to those listed above.
7. How often should we inspect our lifting devices?
A lifting equipment must be inspected at least once a year. But the frequency can go up to four times a year depending on the nature of the equipment (crane class). The checkpoints are operational, mechanical, electrical and structural. The inspection report issued must be kept securely and is the starting point for the next assessment.
In all cases, the recommendations and requirements of the manufacturer must be considered. It should also be noted that periodic inspections are based on the visible and auditory characteristics of the lifting equipment and they usually do not involve disassembly (unless it is clearly necessary, which would be considered maintenance). Section 6.5 of CSA B167-16 will explain everything you need to know about periodic inspections. If there aren’t any periodical inspections on your lifting equipment, a CNESST inspector forbid all operations on the equipment. If a work accident happens, the owner is punishable by law.
8. Can we operate an overhead crane above its rated capacity?
Indeed, it is possible to make a lift above the rated capacity of the crane, but under certain conditions.
9. How do I replace a Télé Radio wireless transmitter?
Below you will find a tutorial video to help you replace your transmitter.
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10. Do you offer inspections with certificates of conformity?
The answer is available in our PDF document on lifting and handling equipment compliance (downloadable PDF document, in French only).
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