Cranes

Question 1

4 main parts of a crane?

Answer 1

Bridge, hoist, trolley and runway

Question 2

How many people can give the crane hand signals?

Answer 2

1

Question 3

What is the exception to only 1 person giving hand signals?

Answer 3

Emergency stop

Question 4

What are the centralized lubrication systems that cranes are equipped with?

Answer 4

Trabon and farval

Question 5

What is the minimum amount of laps that can be around a block?

Answer 5

2

Question 6

What is the centralized shive called?

Answer 6

Equalizer

Question 7

What does fleet angle only affect?

Answer 7

The outside sheaves

Question 8

What does IWRC mean?

Answer 8

Independent wire rope core

Question 9

What does XIPS stand for?

Answer 9

Extra improved plow steel

Question 10

What are the temperature ranges for multi purpose grease?

Answer 10

-25° to 350°

Question 11

What is the process called in seating a new rope In the sheaves?

Answer 11

Constructional stretch

Question 12

Reasons to take wire rope out of service?

Answer 12

Bird caging, dog legged, corrosion and kinking

Question 13

What is the difference between wheel bearing grease and multi-purpose grease?

Answer 13

Pressure

Question 14

How many shots of grease should you put in a motor?

Answer 14

1-2 shots, amount increases with a bigger shaft.

Question 15

Which gear wears out first in a gear case?

Answer 15

Pinion

Question 16

What should you check for when inspecting couplings?

Answer 16

Bolt tightness, lubrication and backlash

Question 17

What should you look for when inspecting motors?

Answer 17

Check the brush length and blow off and out the motor.

Question 18

How much grease should you put in a coupling?

Answer 18

Until you see it come out

Question 19

When should you change brushes?

Answer 19

When they are flush or below the brush holder

Question 20

What does a gear case do?

Answer 20

Transmits power

Question 21

How to check end play in a coupling?

Answer 21

Pull the coupling back and forth

Question 22

Does gear lube take more or less pressure than gear oil?

Answer 22

More

Question 23

2 ways to power a trolley?

Answer 23

Collector shoes or festune

Question 24

Collector shoes can be 2 things?

Answer 24

Spring loaded or gravity

Question 25

2 types of limit switches?

Answer 25

Weight operated or geared

Question 26

3 definitions of rope lay?

Answer 26

Direction the strands lay in the rope

Relationship between the way the strands lay in the rope and the wires lay in the strands.

The distance it takes for a strand to make a complete turnaround a core