M915/M872 Tractor/Trailer Combination Flashcards
Q1: Adjusting the 5th wheel with the use of the 5th wheel switch allows the operator to change __________ and __________ .
A3: total length of tractor-trailer and changes to axle loads.
Q2: True or False: The low air pressure warning buzzer will not sound when the multifunction light switch is in the Black Out (B.O.) position.
A4: TRUE
Q3: True or False: The trailer brake hand control valve lever is only used for coupling procedures.
A5: False (coupling and uncoupling)
Q4: True or False: The optimal cruising range of the M915A3 is 350 miles.
A6: False (400)
Q5: True or False: The parking brake control is a yellow diamond shaped knob.
A7: TRUE
Q6: The M915A3 normal coolant operating water temperature range is ______ to ______ degrees Fahrenheit.
A8: 190 - 210
Q7: The M915A3 normal air pressure operating range is _____ to _____psi.
A9: 90 - 120
Q8: True or False: The M915A5 has a Gross Vehicle Weight Rating of 65,000 lbs.
A10: False (66,000)
Q9: True or False: The High-Med-Low switch controls the number of cylinders used for braking action.
A11: True
Q11: To unlock the Inter Axle Lock/Unlock switch the vehicle must be moving less than _____mph.
A13: 25
Q12: On the M915A5, the Low Air Pressure Warning Light will come on when the air pressure in either section drops below ____________ psi.
A14: 65
Q13: True or False: The M915 has three braking functions.
A15: TRUE
Q14: True or False: Using the engine brake on wet, icy, or snow-covered roads could result in loss of vehicle control.
A16: TRUE
What is 7 in the image of the gauge?
Primary Air Pressure Gauge
What is 8 in the image of the gauge?
Air Cleaner Restriction Indicator
What is 9 in the image of the gauge?
Secondary Air Pressure Gauge
What is 10 in the image of the gauge?
Transmission Oil Temperature Gauge
Fuel Gauge
Fuel Gauge
