Book 29 Chapter 4 Elevator Rescue

Question 1

What are the 2 types of elevators?

Answer 1

Cable (electric)
Hydraulic

Question 2

2 types of cable elevators?

Answer 2

Drum type and traction type

Question 3

Drum type equipment room

Answer 3

Base ment or on the roof. Restrics to 150 foot lifts due to the limitations on the length diameter of the winding drum

Question 4

Elevator traction type equipment room location?

Answer 4

roof or above elevator shaft in high-rise buildings

Question 5

Hydraulic equipment room location

Answer 5

50-100 feet away from the elevator shaft

Question 6

hydraulic equipment room consists of

Answer 6

Controller or relay panel (electronics to run the elevator
Hydraulic power unit, reservoir for the oil supply, pump, valves to raise and lower elevator car

Question 7

Freight elevators specs

Answer 7

12 x 14 feet with capacity of up to 3 tons, street alley or loading dock, normally service all floors but are slower.

Question 8

elevator doors

Answer 8

2, car door and hoist way door

Question 9

4 basic types of doors?

Answer 9

swing hall-
single slide door-
center opening
2 speed door

Question 10

Gib Block specs

Answer 10

3” wide, 1” high, 1/2’ thick installed every 18” underside of the door panel, that ride in tracks in the floor landing. normal hoist way doors have 2 gib blocks.

Question 11

Elevator brakes?

Answer 11

Centrifugal force governor protects against over speeding. when excess of 20% of top speed activates to stop elevators