Truck, Load Handling System (LHS)

Question 1

Q1: True or False: PTO stands for Power Take Off.

Answer 1

A1: TRUE

Question 2

Q2: The LHS can ford water up to _______ inches deep for ________ minutes without damage.

Answer 2

A2: 48/5

Question 3

Q3: The LHS’s normal operating range is _________ mile based upon _________ gallons of fuel and __________ lbs. GCWR, traveling over mixed terrain.

Answer 3

A3: 300/154/109,000

Question 4

Q4: True or False: There are four towing eyes located on the rear of the LHS.

Answer 4

A4: False (2 front and 2 rear)

Question 5

Q5: True or False: The brake system on the 1120A4 comes equipped with 6 brake chambers.

Answer 5

A5: False (8)

Question 6

Q6: True or False: The Slave Hydraulics allows one LHS to power the hydraulic system of another LHS.

Answer 6

A6: TRUE

Question 7

Q7: True or False: The Suspension Dup Valve requires 70 psi of air in order to function.

Answer 7

A7: TRUE

Question 8

Q8: True or False: The transmission temperature indicator will illuminate when the torque converter temperature is above 350 degrees.

Answer 8

A8: TRUE

Question 9

Q9: The maximum side slope the M1120A4 can negotiate with an adequate traction surface is __________ percent.

Answer 9

A9: 30

Question 10

Q10: The limp home speed is ___________ mph for up to ________ miles.

Answer 10

A10: 10/30

Question 11

Q11: With the LHS at an idle, the engine oil pressure gauge should read from _________ to ________ psi.

Answer 11

A11: 15/88

Question 12

Q12: The engine brake operates best when engine speed is between _________ and ________ rpm’s.

Answer 12

A12: 1650/2100

Question 13

Q13: The LHS is capable of loading/unloading from uneven ground slopes of _______ degrees from the vehicles __________ and _______ axis.

Answer 13

A13: 5/lateral/horizontal

Question 14

Q14: True or False: The High Transmission Indicator will illuminate red when transmission pump temperature is above 482 degrees Fahrenheit.

Answer 14

A14:True

Question 15

Q15: True or False: The Low Fuel Indicator illuminates red when the fuel quantity falls below 1/8th tank.

Answer 15

A15: False (amber)

Question 16

Q16: The Brake System Failure (Low Air) Indicator will illuminate when either the front or rear Air Pressure Gauge falls below _____ psi.

Answer 16

A16: 70

Question 17

Q17: The Over Speed Indicator will illuminate red when engine speed exceeds _____________ rpm.

Answer 17

A17: 2450

Question 18

Q18: Labeling (M1120A4 Controls and Indicators)

Answer 18

A18: 10) Transfer Case Shift Lever 11) Self Recovery Winch 12) Hydraulic Selector Switch 13) LHS Joystick