Pumps Ch 6

Question 1

From the pump manual:

When inspecting the electrical wire run what are you looking for?

Answer 1

frayed wiring or incorrect postioning

Question 2

From the pump manual:

What is the normal inches of free travel in a steering wheel?

Answer 2

2 to 3 inches

Question 3

From the pump manual:

The underside of apparatus can develop into an?

Answer 3

ʺout of sight, out of mindʺ aspect of preventative maintenance, but can not be regarded as unimportant

Question 4

From the pump manual:

Where is the high incident rate of difficulty on an apparatus?

Answer 4

Around the rear wheels

Question 5

From the pump manual:

The _______frequently become loose, or shear off, thus weakening that assembly

Answer 5

rear axle flange

Question 6

From the pump manual:

Checking with a _________ is the best method of determining that proper air pressure is being maintained in the tires

Answer 6

tire guage

Question 7

From the pump manual:

In general terms, when the brake pedal of an air brake system is depressed, a line between the air supply resvoir and the brake air chamber assembly is opened or closed?

Answer 7

opened

Question 8

From the pump manual:

The force with which the air acts upon the air chamber assembly diaphragm determines the amount of pressure being appied to the brake shoes , forcing them against the side of the ___or _____.

Answer 8

drums, rotor

Question 9

From the pump manual:

the maximum pressure that the governer is set is approximately ______psi

Answer 9

120

Question 10

From the pump manual:

The low pressure indicator will come on inside the cab at what psi?

Answer 10

60 psi

Question 11

From the pump manual:

When checking the S-Cam brakes not equipped with automatic adjusters if the rod connected to the cam and air chamber travels more than _ inch the brakes are in need of adjustment

Answer 11

1 inch

Question 12

From the pump manual:

The inversion valve used in combination with the safety actulator will operate when the pressure goes beow what?

Answer 12

40 psi

Question 13

From the pump manual:

When there is _ psi in the air supply system and you push the parking brake in it will stay in

Answer 13

50 psi

Question 14

From the pump manual:

When the air system pressure drops below _ psi the parking brake will pop back out when pushed in?

Answer 14

40 psi

Question 15

From the pump manual:

If you apply the parking brake while traveling at what slow speed_ and when applied he rear wheels dont lock then you know the S-Cam brakes are in need of adjustment

Answer 15

2 to 3 mph

Question 16

From the pump manual:

How often should air tanks be bled to remove all traces of moisture?

Answer 16

daily

Question 17

From the pump manual:

When what color appears on the air filter indicates it is dirty and needs to be replaced?

Answer 17

red

Question 18

From the pump manual:

When determining the condition of the battery you should turn on the head lights for how long to elimanate any surface charge built up on the battery?

Answer 18

approximately 1 min

Question 19

From the pump manual:

After turning off all lights and with the key in the on postion if the voltmeter dont read between _ and _ volts then the battery should be charged?

Answer 19

13 and 14 volts

Question 20

From the pump manual:

While cranking the engine if the volt meter reading drops below_ while cranking hen the battey should be charged?

Answer 20

10 volts

Question 21

From the pump manual:

What is the psi on the coolant pressure cap?

Answer 21

15 psi

Question 22

From the pump manual:

How much antifreeze solution should be in the coolant system when it is cool?

Answer 22

approximately 1 quart

Question 23

From the pump manual:

When checking the transmission level what should the rpm of the engine be at?

Answer 23

1000 rpm

Question 24

From the pump manual:

The Jacobs brake tuggle switch or push has 3 postitions what are they?

Answer 24

off-low-high

Question 25

From the pump manual:

What postition should the Jacob brake be in on wet, icy or snow covered roads?

Answer 25

off postion

Question 26

From the pump manual:

Some OF DCFD’s apparatus is equipped with a coolant recovery system these devices consist of the standard cooling system plus a pressure cap connectd by a piece of flexible tubing to a coolant reservior what is the psi for the pressure cap?

Answer 26

15 psi

Question 27

From the pump manual:

The coolant reservior should contian approximately how many quart of coolant?

Answer 27

1 quart

Question 28

From the pump manual:

If during the dailymaintenance inspection it is noted that the coolant level is below the 1 quart level who shall be notified?

Answer 28

Fleet Maintenance Division