18. Testing maintaining and troubleshooting

Question 1

where all of the aerial hydraulic and electronic controls are installed

Answer 1

Turntable control pedestal

Question 2

Hold the lift cylinders in the position requested

Answer 2

Pilot operated check valve

Question 3

Minimum flow on an aerial device ___ gpm

Answer 3

1000 gpm

Question 4

In the middle of the device is a water passage with __ connections on both the top and bottom of the swivel

Answer 4

Victaulic connections

Question 5

At a minimum, the rungs have an outer diameter of __ inch around and should support 250 lbs at center of rung

Answer 5

1 1/4 inch

Question 6

A dash mount gauge called the __ __ __ informs the tiller operator of the positions of the rear wheels

Answer 6

Rudder control indicator

Question 7

Maximum reach of aerial off the __

Answer 7

Rear

Question 8

New aerial apparatus are capable of operating at full capacity while in angles ranging from

Answer 8

-15 to +75 degrees

Question 9

More accidents happen during the ___ phase then during any other operation of aerial devices

Answer 9

Rotation

Question 10

Pin has two positions

Answer 10

Water tower

Rescue

Question 11

Notes

Nondestructive testing is usually every 5 years

Answer 11

The inner box is less durable than the outer box and is made of light steel

Question 12

Testing

Answer 12

Acoustic- thickness
Ultrasound- defects
Dye- surface defects

Question 13

__ rpm, the trucks engine can overpower the spring breaks

Answer 13

1500 rpm

Question 14

The ladder is tested for stability and load capacity, it should be capable of sustaining a static load of ___ times the rated capacity in every operational position

Answer 14

1 1/2 times

Question 15

It takes __ psi to compress water by just 1%.

Answer 15

30,000 psi

Question 16

Component in the aerial system that keeps the aerial device from being raised with outriggers are not set

Answer 16

Aerial interlock