D Flashcards by A S

Engine Radiator fins checked

Monthly, after brush response; cleaned with compressed air from back to front

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Engine Pressure test done

Quarterly

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Engine water filter changed

6 months by mechanic

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Radiator loses ___ quarts due to expansion

2 to 4 qts

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Empty air system build to ___ psi within ____ sec at ____ rpm.

60psi
45sec
1200rpm

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Notify mechanic if air filter restriction gauge reads ____.

> 13”

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Spark arrestors cleaned____.

Annually
12,000 miles
As needed

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Fill brake fluid ___ from top.

1/4”

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Lubricate aerial turntable

Every 6 months

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Change aerial hydraulic oil every

3 years

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Aerial turntable center pin lubricated

Weekly and after each use

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Test hydraulic brakes by

Pumping 3 times, holding 5 sec

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Pre-trip done within

15-20min

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Flares on corner/obstructed view

100-500’

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Clutch free play

1.5”

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Clutch brakes engages in

Last 1”

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Column brake controls

Rear brakes, 30psi max

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Clutch gives ___ rpm leeway

100 rpm

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Maximum engine (coolant) temperature

205F

Cool with auxiliary cooler or reel line

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Let rig idle ___ before shutting down.

3-5min

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If transmission temperature _____, reduce speed. If still over ____, do what?

285-300F
285F
Stop, fast idle at 1200rpm

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Stop vehicle ____ from RR crossing

15-50’

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Request for fuel delivery

3/4 empty, order in 50 gal increments

Fouling distance of train

15’

Train takes ___ to stop

1-1.5 miles

Fusee for train to stop

2,000' to 2 miles

How to fix pump cavitation

Reduce engine rpm, partially close discharge gate

How to fix pump overheating

Open tank fill, reel line, drain valve

Relief valve set between

75-300psi

Prevent water hammer close valves in

3-10sec

Normal coolant temperature range? Min and max?

160-195F Min: 160F Max: 210F

If air pressure drops below ___, ___ cannot be operated.

40psi, spring brake

Low air pressure signal activates between

55-75psi

Overspeed is engine running at ___ of its peak

>90%

Do not pull prime for longer than

60sec

Static air brake test loss no more than ___ for single ___ combo vehicle in one minute.

2psi, 3psi

Applied brake test, loss no more than ___ for single ___ for combo vehicle in one minute.

3psi, 4 psi

Engine oil most accurate after rig has cooled for

30 min

Change hydraulic oil in platform truck

2 years or 500 hours

When pump cavitation occurs, 4?

Suction too small Restriction in line Partial collapse of line Water temp too high

Probationary FF gets ___ hours of driver training.

Scan ___ seconds ahead while driving.

12-15 sec

Scan ___ distance ahead while driving in city, ___ on highway.

1 block | 1/4 mile

Level of power steering fluid from the top

1/2 - 1"

Engine operation range is

66-90% peak speed

PSI on top of Pistons is greater than momentum of moving parts, resulting in unbalanced condition. This defines what?

Lugging

Best gear to drive rig in is ____ rpms below rated speed.

200-300rpms

Probationary FF gets ___ hours of driver training.

Scan ___ seconds ahead while driving.

12-15 sec

Scan ___ distance ahead while driving in city, ___ on highway.

1 block | 1/4 mile

Level of power steering fluid from the top

1/2 - 1"

Engine operation range is

66-90% peak speed

PSI on top of Pistons is greater than momentum of moving parts, resulting in unbalanced condition. This defines what?

Lugging

Best gear to drive rig in is ____ rpms below rated speed.

200-300rpms

Engine most efficient pumping at ___ psi

150 psi