88M - Tractor Trailer and HEMTT Questions And Answers
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Course
88M
Institution
88M
88M - Tractor Trailer and HEMTT Questions
And Answers
What is the cruising range (in miles) on the M915 on a full tank? 400 miles
What action should the operator take if the voltmeter of the M915 is reading in the red band?
Stop and call maintenance
What does the acronym CWS stand for? Colli...
88M - Tractor Trailer and HEMTT Questions
And Answers
What is the cruising range (in miles) on the M915 on a full tank? 400 miles
What action should the operator take if the voltmeter of the M915 is reading in the red band?
Stop and call maintenance
What does the acronym CWS stand for? Collision Warning system
On the M915 what is the purpose of the primary air pressure gauge? Rear truck brakes
What must and operator do prior to unlocking the inter-axle differential lock? Slow to
25mph or less
The M915 comes equipped with a ________volt utility outlet 12
On the M915, when would the low air pressure warning buzzer not sound when below 60psi?
When truck is set to blackout drive
,88M - Tractor Trailer and HEMTT Questions
And Answers
On the M915, what must an operator take if the transmission oil temp goes into red band?
Stop and investigate
What is the process for resetting the air cleaner restriction indicator gauge on M915?
Service air cleaner, press yellow reset
What must an operator do prior to locking the inter-axle differential lock? Come to
complete stop
What is the purpose of the 5th wheel slide/switch? allows changes to axle loads or change
total length
The M915 can maintain a speed of ___________ on level roads 65 mph
What is the maximum governed speed (in RPM)? 2100 RPMs
On the M915, what action should the operator take if the voltmeter is reading in the red band?
Notify maintenance
, 88M - Tractor Trailer and HEMTT Questions
And Answers
What's the minimum temperature of the engines coolant for normal operation? 190
degrees
How many braking functions does a M915 have? 3
On the M915, for heavy loads or hills, how many cylinders should you use to brake? 4 or
6
Which of the following is NOT accomplished prior to coupling procedures back up until
you hear click
Which of the following is the correct sequence for uncoupling the IV connectors on the M915?
Closest to farthest
On the M915, how many bands are on the voltmeter? 4
What is the idle speed on the M915? 600 RPM
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