Ch 8 Elevators (2)

Question 1

Explain elevator machine room.

Answer 1

Heart of the system - contains elevator hoisting machines, motor generator sets, solid state power supply and control equipment.

Question 2

What is in an elevator hoist-way?

Answer 2

Contains guide rails on which elevator cars and counter weight run.

Question 3

What is wait time and what is considered excellent wait time?

Answer 3

25 seconds or less.

Question 4

What areas should be checked during a property managers elevator system review?

Answer 4

• Performance
• Safety features|
• Fixtures
• Doors
• Leveling
• Ride
• Run times

Question 5

What operations are commonly timed and checked?

Answer 5

• Floor to floor time
• Performance time
• Brake to brake time
• Door open time
• Door dwell

Question 6

Environmental concerns with hydraulic elevator.

Answer 6

Hydraulic fluid is petroleum based and may be classified as hazard substance.

15 minute notification of discharge

Question 7

What is an Armature?

Answer 7

Rotating coils of electric motor

Question 8

What are two common safety tests for elevators?

Answer 8

• 5 year full load

- Hand tripping of governor to see if safety jaws are effective

Question 9

Six area should maintenance providers be evaluated.

Answer 9

• Technical expertise
• Work force
• Safety record
• Support
• Facilities
• Fiscal soundness

Question 10

What are four major types of elevator maintenance contract options?

Answer 10

• Full maintenance
• (POG) Parts, oil and grease
• (OG) Oil and Grease
• Survey and report

Question 11

Full maintenance contract like insurance?

Answer 11

Vendor takes full responsibility - Intended to eliminate all concerns

Question 12

Explain POG

Answer 12

Excludes large components such as elevator machine rooms, motors and re-cabling. Clearly states work covered and parts supplied.

Question 13

Explain OG

Answer 13

Knowledgeable person to inspect. Mechanic lubricates moving parts. Owner pays for repairs and parts

Question 14

What is propration?

Answer 14

List details of elevator components maintenance company believes will soon need replacement.

Question 15

What types of records and reports are provided by the elevator maintenance company?

Answer 15

• Call back and repair record
• Annual equipment survey
• Repair recommend equipment
• Performance report

Question 16

What is a call back?

Answer 16

Customer request that requires check of an elevator other then regularly scheduled maintenance.

Question 17

What are some examples of peripheral equipment that mat be modernized?

Answer 17

Door operators, roller guides, door detector systems and emergency lighting.

Question 18

Two phases of elevator operation.

Answer 18

1 - Lobby key

2 - In car for fireman

Question 19

What is recommeded minimum emergency power supply for elevators?

Answer 19

Capacity to move one elevator at a time at normal speed.

Question 20

The best method for conducting an in-house review of the elevator system is to:

Answer 20

D. Ride elevators and note passenger comments

Question 21

The heart of the system for elevators and the location most routine maintenance is:

Answer 21

D. Machine Room

Question 22

During a fire emergency, special elevator emergency service allows key operations of elevators by:

Answer 22

B. Firefighters

Question 23

A traction elevator safety test is required yearly is performed by hand-tripping the governor to see if:

Answer 23

A. The safety jaws operate

Question 24

Elevator maintenance providers should be evaluated and selected on the basis of their capabilities in the following areas: Technical expertise, work force, safety records, support, facilities and

Answer 24

A. Fiscal soundness

Question 25

The minimum recommended emergency power supply per elevator bank is the capacity to move:

Answer 25

C. One elevator at a time at normal speed