BOOK 29 Truck Operations Manual- ELEVATOR RESCUE Flashcards
How many elevator manufacturers are there?
Over 60
What are the two current types of elevators?
Cable (also known as electric)
Hydraulic
What are the two types of cable elevators?
Drum type
Traction type
Hydraulic elevators are generally limited to how many floors?
6
The equipment rooms for hydraulic elevators are normally located at the lower level of a building, but can be at any floor level or ___ to ___ feet away from the elevator shaft.
50 - 100 ft
What is the general size of freight elevators and their carrying capacity?
12x14
Up to 3 tons
What are the 4 types of elevator doors you may encounter?
1) swing hall
2) single slide
3) center opening
4) two speed
Gib blocks are approximately ___ wide, ___high, ___ thick and are installed every ___inches across the underside of the door panel.
3” wide
1” high
1/2” think
18-inches
A centrifugal force governor is provided on most elevators to guard against overspeeding (when a car travels in excess of ___% of top speed, the governor will activate a safety stop device).
20%
When recycling power to an elevator. Turn off power for at least ___ . This allows time to clear any previous programming in the elevator computer.
30 seconds
On hydraulic elevators and some cable elevators, the hoistway doors will open if the elevator is either ___ inches above or below the floor level.
6”
On cable elevators, the hoistway doors will open if the elevator is either ___ inches above or below the floor level.
18”
Side emergency exits in elevators are usually at least ___ inches wide and ___ feet high.
16” wide and 5ft high
Elevators of more sophisticated design have access panels from blind floors. These panels may be every ___ floors or ___-feet apart.
3 floors
80 ft apart
An escalator traveling between 90 to 120 feet per minute can carry as many as _____ passengers per hour.
5,000
