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Date of Manufacture
August 2002
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Width with Mirrors
9' 7''
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Front Axel Rating
19,500 LBS
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Rear Axel Rating
48,000 LBS
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Gross Vehicle Weight
67,500 LBS
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Fuel Tank Size
65 Gallons
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Engine
500 Horsepower Detroit Diesel Series 60, Electronic Control [ DDEC ] Inline 6 cylinder, 4 stroke diesel engine with turbo-charger and intercooler
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How much Horsepower at what RPM?
500 hp at 2100 RPM
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How many foot pounds of Torque at what RPM?
1550 ft. lbs of Torque at 1200 RPM
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How many cubic inches of displacement?
774 cubic inches
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High Idle is at what RPM?
1000
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Normal Oil Operating Pressure
50-70 psi
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Engine Start Up Oil Pressure
At least 25 psi within 10-15 seconds
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What will happen if oil pressure drops below 10 psi during operation?
What do you do?
An audible alarm will sound
Engine turned off immediately
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What does the Air Compressor on the motor do?
What pressure does it engage at?
What pressure does it cut out at?
Maintains air pressure for the service breaks and other air accessories while the Apparatus is mobile
100 PSI
140 PSI
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What does the 2nd Air Compressor do?
How many volts?
Air Compressor Location?
Maintains air pressure when apparatus is not moving
12 volts
Right Rear Compartment
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What pressure does the 2nd Air Compressure cut in at?
What pressure does it repressurize to?
60 psi
78 psi
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What is the the DDEC?
Computer that controls all aspects of the engine in regards to Fuel Use, Power Output, Engine Timing, Voltage, Speed Governor
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What will happen if a malfunction occurs in regards of the DDEC?
What do you do if this happens?
Yellow or Red light in cab or pump panel will light up to alert the operator
Red light indicates that you need to shut down the engine immediately.
Yellow light indicates that there is a problem and you should check it out, but you can still continue operation
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What is the Command Zone?
Interface between the Engine, the Apparatus Multiplexing, and the operator
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What does the Command Zone do?
- Shows 4 main screens
- - Door screen that displays open doors
- - Pump Panel/Engine Operation Screen
- - Engine Fluids screen
- - Load Manager screen
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What is Multiplexing?
What does is include?
A Computer Controlled Wiring system for the chassis and is responsible for the delay from when a switch is activated and when the component responds.
Includes a load Manager and warning light sequencer to limit heavy electrical loads on the batteries and alternator
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What is normal Operating Temperature?
160-180 degrees
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At what Temperature is overheating?
What do you do when it Overheats?
210 is overheating
Pull over if driving, turn on High Idle, Turn on cab heaters.
Do not turn off apparatus. It will stop the circulation of the radiator fluid through the engine.
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What kind of Transmission
Allison 4060 PR with a fluid retarder and available PTO port
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How many gears?
Describe the Retarder
6 speed automatic transmission. [ 6th gear disabled ]
- Vaned cavity located at the rear of the transmission.
- Pressurized fluid gets sent into those cavitys allowing the transmission to slow down when the retarder is on.
- Brake applied, retards 100%
- Brake off, retards 33%
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What happens if the ABS System comes on and the retarder is already on?
Brake lights come on when the retarder is on.
Retarder will shut off if ABS comes on
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When does the retarder need to be turned?
Only for dry road conditions. Not to be used on slippery roads due to loss of traction
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Location of Power Steering Fluid
Left Rear of of engine
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Location of High Idle Switch
What RPM is the apparatus at when High Idle is on?
What is the purpose of High Idle?
Dashboard inside cab
1000
- - Maintain Oil Pressure when apparatus is not moving
- - Increase electrical output of the alternator while idling on an emergency scene with emergency lights
- - Used to help cool the engine down when parked and idling
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What size Alternator
340 Amp Alternator
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What kind of Brakes?
Size of Brakes
How are they applied?
Minimum Air pressure before moving
Service Breaks
- Front: 17 inch Disk
- Rear : 16.5 inch S-cam Drum
- Air Applied Spring Released
- 100 PSI before moving
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What will happen if Air Pressure drops below what pressure?
An audible and Visual low pressure alarm will sound once the pressure has dropped to 60 PSI
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What are the Parking Brakes called?
How are they applied?
When will they come on?
Maxi Brakes
Spring Applied Air Released. Engaged on the rear axels
When maxi brake lever is pulled or when air pressure drops to 40-60 PSI
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Describe the Emergency Brakes and their purpose
System used for when there is a brake system failure [ loss of air pressure ]
If air pressure drops to 60 PSI, Emergency Brakes will start to come on
Once the pressure drops to 40 PSI, Emergency Brakes are fully engaged, and apparatus is at a complete stop
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What does ABS stand for?
Describe what it does
How do you turn it on and how do you use it?
Antilock Brake System
Electronic sensors detect that brakes of the tires have locked. System automatically modulates the brakes. [ Pumping Action ]
ABS system always on. For use, apply brakes when sliding and maintain holding down the brake pedal until you come to a complete stop
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Describe Front Wheel Lock
An emergency brake to use for steep upgrades
Engage parking brake first then front wheel lock
Engages the Front Service Brakes when applied
To release, release parking brake
Engine must be running for Front Wheel Lock to work.
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Inter- Axel Differential Lock
Rear Axels differential is locked allowing torque to be supplied equally between the two Axels
Under normal dry road conditions, with two drive axels, there are 4 wheels on the ground each having 25% torque values
Without this lock, if one wheel wheel were to spin on ice, then most or all torque would be lost to the spinning tire just as it would with a single axel vehicle
Speed Limit with Inter-Axel Differential Lock on:
Speed limit : 35 MPH
Risk loss of control or differential damage if you exceed the speed limit
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On Spot Chains:
What are they operated by?
How do you engage them?
What are your speed limits?
Operated by the apparatus air system
Engage them while moving [Forward or Reverse]
- Have to be moving to engage
- No faster then 25 MPH to engage
- No faster then 35 MPH to disengage
- 35 MPH is the limit when driving
Engage before slippery conditions to avoid locking up the wheels
- Cable chains can also be used. With them on 30 MPH is the limit
- Have window open and headsets off if cables are used to listen for cable snaps
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Fire Pump:
What kind of pump?
Waterous 1500 GPM Centrifugal Pump with pressure control and intake relief valve
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Fire Pump:
What does the throttle control do?
It is a toggle switch that can adjust the engine RPM
If in pressure mode, will adjust the discharge pressure and attempt to maintain dishcharge pressure by altering the engine RPM
Pump has to be engaged and in gear for pressure control to work
Engine cannot go below Idle RPM for pressure control to work
A green light will light up on the Pump Panel to indicate the pump is engaged
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Fire Pump
Number and size of intakes
Discharges
Booster Tank
Recirculating Line [ Pump Cooler ]
Auxiliary Engine Cooler
Pump Heaters
Primer
[3] 6 Inch steamer Ports, [2] 2 1/2 Inch Intakes, [2] 4 Inch Clappered tank to pump valves with electric control. One at front of tank and one at the rear tank
[2] 4 Inch large diameter discharges with electric valves, [2] 2 1/2 Inch discharges, [2] 1 1/2 Inch preconnects, [1] 3 Inch Master Stream discharge, [1] 2 1/2 Inch Tank Fill
Poly-Tank [1] 2 1/2 Inch Direct Tank Fill on pump panel. 10 Inch Gravity Dump on tailboard. Capacity 3000 Gallons
A line from the discharge side of the pump discharge to the tank
A line from the discharge side of the pump circulates water through a heat exchanger in the pump panel removing heat from the engine coolant
Two Heaters at 33,000 BTUs in the pump compartment that can provide additional heat to the compartment during cold weather. The heater cores receive coolant from the engine and a fan blows air through the coils
Oil Less Rotary Vane Vane Eccentric, Electric Pump Primer. Run time: 1 Minute run 5 Minute cool
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Inverter:
TK-11 has no Generator
Converts DC Power to Ac Power
Inverter requires how many amps of what power?
Doubles as a battery charger when plugged in to the shoreline
How many Quick Raise Lights? At how many Watts each?
Inverter can drain apparatus batteries if left on
Requires up to 250 AMPS
12 Volt DC power
2 Quick Raise Lights. 500w each
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