Engineers Quick Guide To Apparatus Maintenance Flashcards
Where is the air line filter on L201 and L204 locates?
Next to the large breathing air storage tanks
What is the air line filter maximum psi?
125 psi
What is the psi needed at the regulator in the bucket or L201 and L204?
100 psi
What is the line voltage for the auto charge?
120 volts
What is the constant draw due to radio/communication equipment on trucks?
3 amp
When checking the transmission fluid on light-duty trucks, vans and staff cars, what temp should the engine be?
150-170F
What should be looked for when checking belts?
Frays, cracks worn or loose, proper tension
What psi does the low air alarm activate between?
50-70psi
What two systems for you check the fluid through an eye?
Power steering and coolant
Before checking fluid levels what should always be done first?
Check under the truck for leaks
What is the approximate oil capacity?
41 quarts
When oil is low how much oil should be added and what type?
1 gallon of 15w-40 oil for series 60 engines or 40 wt for 6v92-8v92
What is the approximate coolant capacity?
55 quarts
When coolant is low what should be added?
50/50 blend of anti freeze
What is the approximate transmission fluid capacity?
40 quarts
What transmission fluid do we use?
Dexron atf or TransSynd
What is the approximate fluid capacity of power steering fluid?
6 quarts
What do you add if the power steering fluid is low?
Power steering fluid or ATF Dexron transmission fluid to full level
What is the approximate Luis capacity of primer oil?
4 quarts
When primer oil is low what do you add?
Add 40wt until full
What is the capacity for the hydraulic fluid cab tilt?
What do you add?
1.3 gallons
ATF Dexron
What is the fluid capacity for the ladder rack? What do you add?
1 pint
ATF Dexron
If the air brakes lock how can you get you vehicle off the roadway and what is the maximum mph?
Depress the green emergency button to temporarily release the brakes. The truck will not move faster than 2 mph.
What type of engine do we have?
Detroit Diesel Series 60, 4-stroke cycle, 470 horsepower and 515 hp
What temp might the turbo increase to if the truck does not idle 1 min before shutting down engine?
1000 degrees
What are some reasons the check engine light may activate?
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
What is the size of the fuel tank?
65 gallons
What is the coolant temp ranges?
180-220
Normal engine oil psi ranges?
Normal cold 15-80psi
Hot or high idle 5-60psi
Normal volt readings?
13.5-14.8volts
Front air normal readings?
90-130psi
Rear air normal reading?
90-130psi
Normal fuel psi?
5-90psi?
Normal transmission reading?
160-220 with maximum intermittent 330
What do you check on hoses?
Cracks, leaks, mushy hose or loose clamps
How do you flush a leaky intake relief valve?
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
In pressure mode how much increase of pdp will occur in each movement of the switch?
4psi each toggle of switch
When do you turn off retarder?
In wet weather
How much psi is needed for the fold up steps to operate?
85psi
What air system operates the steps?
The wet tank of the air brake system
What transmission do we have?
Allison automatic
What transmission fluid do we use?
Dexron atf or TransSynd
What is the cold check and the hot check for transmission?
Cold check 60-120
Hot check 160-200
What mode should transmission be checked at?
Hot mode
