Driving and Controls Flashcards
The MDT will continue to draw electrical current (_____) even though the battery master switch is turned OFF.
approximately 7 to 8 amps
Maximum inlet restriction for a new air cleaner is ____. If the gauge reads 25” H2O, check for restrictions.
10” H2O
The Caterpillar, ____ is a six-cylinder valve-in-head type engine.
C-13
It has a 5.12” bore and a 6.18” stroke, with a total piston displacement of ____ cubic inches and a compression ratio of 17.1 to 1.
763
Operating range is ___
1200 to 2100 RPM
The best fuel economy is delivered between ___.
1200 – 1800 RPM
Do not idle in D (Drive) for more than ____.
five minutes
Do not idle in R (Reverse) for more than ____.
five minutes
First Gear Range (1)
Use this range when pulling through mud or whenever ___ is desired, when maneuvering in tight spaces, or while driving ____.
maximum traction / up or down steep grades
First range provides the vehicle with its maximum ___ and maximum _____.
driving power / engine braking effect.
GEAR 1
2100 RPM / 14 MPH
GEAR 2
2100 RPM / 26 MPH
GEAR 3
2100 RPM / 35 MPH
GEAR 4
2100 RPM / 50 MPH
GEAR 5
2100 RPM / 68 MPH
If the engine fails to start within____, release the starter button and allow the
starting motor to cool for approximately ____ before trying again.
15 seconds
If the engine fails to start after____, an inspection should be made to determine the cause.
four attempts
If there is no oil pressure indicated within ____, stop the engine and check the lubricating system.
10 to 15 seconds
Try not to shut down the engine unless coolant temperature is ____
195º F or less.
In the event air brake system pressure drops below approximately 65 psi a _____ will come on.
warning buzzer and light
As soon as system air pressure increases past ____, the warning light and buzzer will shut-off.
65-75 psi
In an emergency situation, operator discretion must be used as to the need to operate the apparatus when there is less than___ air pressure in both brake circuits.
90 psi
Use extreme caution when operating the vehicle with either air brake section charged to less than ___ or property or personal injury could result.
60 psi
If air pressure is reduced to approximately ___ in both systems, the spring brake valve will automatically apply.
40 psi
