Parking brake control Correct Ans-What applies and releases vehicle parking brakes and
automatically applies parking brake when air pressure drop below 30 psi?
Never Correct Ans-When do you operate a vehicle with suspension dump?
prolonged idle, climate conditions, use of PTO, and off road driving Correct Ans-What
factors can reduce the 300 mile operations range of the M1120A4?
62mph in 5th gear (1,696 rpm) Correct Ans-What is the maximum sustained forward
speed?
1.5 hours Correct Ans-How long should you wait for the hydraulic reservoir to cool down?
when the automatic circuits have failed Correct Ans-The manual transit position (man
trans) is used when?
3; high, low, neutral Correct Ans-The transfer case has how many positions? What are
they?
100-130 psi Correct Ans-What is the normal range for the air pressure gauge?
, 88M MODULE B- QUESTIONS AND ANSWERS
On the ground Correct Ans-What position should the trailer drawbar be in during transfer
operations?
Only when testing trailer breaks Correct Ans-The trailer hand break control should be used
when?
1&2 Correct Ans-Which driving axels control direction?
Idle the engine until water temp cools Correct Ans-What should you do if the engine
coolant temp gauge reads over 219 degrees?
48 inches for 5 minutes Correct Ans-Fording depth of the M1120A4
300 miles Correct Ans-Normal operating range of all models
154 gallons Correct Ans-How much fuel does the LHS carry?
109,000 Correct Ans-What is the Gross Combination Weight Rating of the LHS?
Fuel/water separator Correct Ans-What acts as a primary fuel filter and removes and
water from fuel before entering engine?
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