Chapter 3: Anatomy Of An Elevator Flashcards
1
Q
Oil buffers are required when and where?
A
Under car and counterweight when rated speeds are over 200 ft/min
2
Q
The final limit switch does what?
A
Only operates if other controls fail
3
Q
The purpose of the governor is to?
A
Cause the power to be removed and the safety to set when overspeed occurs
4
Q
The purpose of the compensating roles is to?
A
Compensate for the change in the balance due to the weight of the suspension ropes
5
Q
The brake on the driving machine is used how?
A
It is released electric power is removed and applied by spring force
