Unit 6 Flashcards
When must hoist ropes be re-socketed on an overhead winding drum machine as per the ASME A.17.1/CSA B44 code?
Every year
Who shall perform maintenance, repairs, replacements and tests of elevator systems as per the ASME A.17.1/CSA B44 code?
Only by elevator personnel
What is the minimum hoist ropes required for an elevator equipped with a drum machine as per the ASME A.17.1/CSA B44 code?
2
What is the maximum runby for a counterweight on an electric elevator as per the ASME A.17.1/CSA B44 code?
900mm (35in)
What is the maximum rated car speed permitted when using spring buffers as per the ASME A.17.1/CSA B44 code?
1.0 m/s
What is the maximum distance allowed from the Pitt floor to the hall sill before a pit ladder must be installed as per the ASME A.17.1/CSA B44 code?
If extends more than 900mm (35in)
What sequence shall duplex safety devices be arranged to operate as per the ASME A.17.1/CSA B44 code?
Simultaneously
What is the minimum required lighting level at the machine room floor level as per the ASME A.17.1/CSA B44 code?
200lx
When an additional stop switch is required, at what approximate height should it be mounted above the Pitt floor as per the ASME A.17.1/CSA B44 code?
1200mm (47in)
What order of operation should the governor overspeed switch and safety jaw switch activate as per the ASME A.17.1/CSA B44 code?
Overspeed the jaw switch