Engineers Quick Guide To Apparatus Maintenance

Question 1

Where is the air line filter on L201 and L204 locates?

Answer 1

Next to the large breathing air storage tanks

Question 2

What is the air line filter maximum psi?

Answer 2

125 psi

Question 3

What is the psi needed at the regulator in the bucket or L201 and L204?

Answer 3

100 psi

Question 4

What is the line voltage for the auto charge?

Answer 4

120 volts

Question 5

What is the constant draw due to radio/communication equipment on trucks?

Answer 5

3 amp

Question 6

When checking the transmission fluid on light-duty trucks, vans and staff cars, what temp should the engine be?

Answer 6

150-170F

Question 7

What should be looked for when checking belts?

Answer 7

Frays, cracks worn or loose, proper tension

Question 8

What psi does the low air alarm activate between?

Answer 8

50-70psi

Question 9

What two systems for you check the fluid through an eye?

Answer 9

Power steering and coolant

Question 10

Before checking fluid levels what should always be done first?

Answer 10

Check under the truck for leaks

Question 11

What is the approximate oil capacity?

Answer 11

41 quarts

Question 12

When oil is low how much oil should be added and what type?

Answer 12

1 gallon of 15w-40 oil for series 60 engines or 40 wt for 6v92-8v92

Question 13

What is the approximate coolant capacity?

Answer 13

55 quarts

Question 14

When coolant is low what should be added?

Answer 14

50/50 blend of anti freeze

Question 15

What is the approximate transmission fluid capacity?

Answer 15

40 quarts

Question 16

What transmission fluid do we use?

Answer 16

Dexron atf or TransSynd

Question 17

What is the approximate fluid capacity of power steering fluid?

Answer 17

6 quarts

Question 18

What do you add if the power steering fluid is low?

Answer 18

Power steering fluid or ATF Dexron transmission fluid to full level

Question 19

What is the approximate Luis capacity of primer oil?

Answer 19

4 quarts

Question 20

When primer oil is low what do you add?

Answer 20

Add 40wt until full

Question 21

What is the capacity for the hydraulic fluid cab tilt?

What do you add?

Answer 21

1.3 gallons

ATF Dexron

Question 22

What is the fluid capacity for the ladder rack? What do you add?

Answer 22

1 pint

ATF Dexron

Question 23

If the air brakes lock how can you get you vehicle off the roadway and what is the maximum mph?

Answer 23

Depress the green emergency button to temporarily release the brakes. The truck will not move faster than 2 mph.

Question 24

What type of engine do we have?

Answer 24

Detroit Diesel Series 60, 4-stroke cycle, 470 horsepower and 515 hp

Question 25

What temp might the turbo increase to if the truck does not idle 1 min before shutting down engine?

Answer 25

1000 degrees

Question 26

What are some reasons the check engine light may activate?

Answer 26

``` Low coolant High oil temp High coolant temp Low oil pressure Sensor malfunction Or apparatus not plugged into shoreline for an extended period of time ```

Question 27

What is the size of the fuel tank?

Answer 27

65 gallons

Question 28

What is the coolant temp ranges?

Answer 28

180-220

Question 29

Normal engine oil psi ranges?

Answer 29

Normal cold 15-80psi | Hot or high idle 5-60psi

Question 30

Normal volt readings?

Answer 30

13.5-14.8volts

Question 31

Front air normal readings?

Answer 31

90-130psi

Question 32

Rear air normal reading?

Answer 32

90-130psi

Question 33

Normal fuel psi?

Answer 33

5-90psi?

Question 34

Normal transmission reading?

Answer 34

160-220 with maximum intermittent 330

Question 35

What do you check on hoses?

Answer 35

Cracks, leaks, mushy hose or loose clamps

Question 36

How do you flush a leaky intake relief valve?

Answer 36

Set relief to 50 psi Hook up hydrant at least 65 psi to the 2 1/2 intake Open hydrant Operate the 2 1/2 intake open and close to flush Reset intake valve 120-150 and try again

Question 37

In pressure mode how much increase of pdp will occur in each movement of the switch?

Answer 37

4psi each toggle of switch

Question 38

When do you turn off retarder?

Answer 38

In wet weather

Question 39

How much psi is needed for the fold up steps to operate?

Answer 39

85psi

Question 40

What air system operates the steps?

Answer 40

The wet tank of the air brake system

Question 41

What transmission do we have?

Answer 41

Allison automatic

Question 42

What transmission fluid do we use?

Answer 42

Dexron atf or TransSynd

Question 43

What is the cold check and the hot check for transmission?

Answer 43

Cold check 60-120 | Hot check 160-200

Question 44

What mode should transmission be checked at?

Answer 44

Hot mode