2W151B CDC Questions and Complete
Solutions Graded A+
(001) What drives the rear wheels on the MJ-1B? - Answer: Hydrostatic drive.
(001) Changing the position of the MJ-1B accelerator pedal - Answer: varies the flow rate of the pump in
the hydrostatic drive.
(001) What is supported by the lift arms and used to hold the munition or store to be loaded? - Answer:
Cradle assembly.
(001) What is the lifting capacity of the MJ-1/B? - Answer: 3,000 pounds.
(001) What drives the rear wheels on the MJ-1? - Answer: A hydrostatic drive system.
(001) What type of engine is used in the MJ-1/B? - Answer: 25.2-horsepower, diesel
(001) Name the three components of the hydrostatic drive system. - Answer: (1) Fluid coupling. (2)
Variable displacement hydraulic pump. (3) A fixed displacement motor.
(001) How does the accelerator pedal change the speed of the MJ-1/B lift truck? - Answer: Changing the
position of the accelerator pedal varies the flow rate of the hydraulic pump.
(001) How is the cantilever lift arms operated on the MJ-1/B? - Answer: By controls at the driver's
station of controls directly behind the cradle.
(002) What aircraft loading missions are supported by the MJ-40? - Answer: B-1, B-2.
(002) What ensures the boom cannot fall if a hydraulic line on the MJ-40 ruptures? - Answer: Hydraulic
locking valve.
,(002) Which loading controls are found only on the MJ-40 remote? - Answer: Ram up/down.
(002) What is the lift capacity of the MJ-40? - Answer: 10,000 pounds.
(002) What device ensures the lift boom cannot fall if a hydraulic line were to rupture? - Answer:
Hydraulic locking valve.
(002) What functions can the remote control unit control? - Answer: Longitudinal, lift, roll, azimuth, tilt,
yaw, and ram motions.
(002) How is the remote cotrol attached to the lift truck? - Answer: Flexible electrical cord.
(003) What type of fuel is the MHU-83 capable of using? - Answer: Diesel or JP-8.
(003) What device controls the engine speed of an MHU-83? - Answer: Hand throttle.
(003) Where are the controls located for adjusting the side frame width of the MHU-83? - Answer: The
operator's position only.
(003) What device ensures the boom cannot fall in the event hydraulic power is loss or a component
fails or a line breaks on the MHU-83 series lift trucks? - Answer: Counterbalance valve.
(003) The MHU-83 component used to lift the front wheels off the ground to allow side frame width
adjustment is the - Answer: lift boom.
(003) What is the primary purpose of the hydraulic hand pump located on the right hand side of the
MHU-83 lift truck? - Answer: Operating the hydraulic system should the engine quit during loading
operations.
(003) What are the MHU-83-series munitions handling/loading lift truck designed to do? - Answer: Lift,
transport and load/unload munitions and stores weighing up to 7,000 pounds.
,(003) Describe the engine of the MHU-83 series lift trucks. - Answer: Air-cooled, 25.2-horsepower, diesel
engine.
(003) What is used to lift the front wheels off the ground to adjust the width of the side frames? -
Answer: Lift boom.
(003) Which variant of the MHU-83 incorporates features of the MJ-40 to increase its capabilities
allowing it to support a wider variety of missions? - Answer: The MHU-83 D/E.
(003) What is the purpose of the hand pump located on the right-hand side of the MHU-83? - Answer:
To operate the hydraulic system should the engine quit.
(004) What is the lift capacity of an MHU-83 with aluminum rollers installed? - Answer: 7,000 pounds.
(004) Which bomb support rollers may be used with roller extensions? - Answer: All rollers.
(004) How many load binders do you need when loading with an MHU-83? - Answer: 2.
(004) What type of stand is used to support triple ejector racks (TER) when loading them and storing
them for future use? - Answer: Gantry stand.
(004) What type of load binder is attached to bomb support beams? - Answer: Nylon.
(004) Extension lift arms installed on the MJ-1 lift truck limits lifting capacity to - Answer: 2,200 pounds.
(004) You install the extension lift arms on the MJ-1A/B lift truck by - Answer: inserting the ends of the
arms into slots in the lift arms.
(004) What is the MJ-40 and MHU-83 series lift truck weight limit reduced to when using the fork
adapter assembly? - Answer: 6,000 pounds.
, (004) What accessory is used in conjunction with the MHU-83-series lift truck to load external heavy
stores on a B-52? - Answer: Fork adapter assembly.
(004) What attaches the fork adapters to the MHU-83-series lift truck's table assembly? - Answer: Two
quick-release pins.
(004) What is the maximum lifting height when the adapter assembly is inverted on the MHU-83 series
lift truck? - Answer: 107.5 inches.
(004) Pylons are attached to pylon handling adapters for mounting or removing from aircraft with -
Answer: the pylons bomb rack hooks.
(004) What bomb loading adapter is used in loading internal and external stores on the B-52? - Answer:
F310707-500 bomb loading adapter.
(004) Which lift truck supports the use of the mechanical ram assembly (MRA)? - Answer: MHU-83 D/E
or MJ-40.
(004) Where does the mechanical ram assembly (MRA) receive its power from? - Answer: Through two
hydraulic service lines attached to the lift trucks lift boom.
(004) How is the mechanical ram assembly (MRA) primarily controlled/operated? - Answer: The lift
trucks remote control unit.
(004) What is the fully extended height of the mechanical ram assembly (MRA)? - Answer: 83 inches.
(004) Which lift truck or trucks use bomb rollers? - Answer: All.
(004) What is the lift capacity of aluminum rollers when installed on the MJ-1? - Answer: 3,000 pounds.
(004) What are load binders used for? - Answer: To secure the load to the table or loading adapter.
Solutions Graded A+
(001) What drives the rear wheels on the MJ-1B? - Answer: Hydrostatic drive.
(001) Changing the position of the MJ-1B accelerator pedal - Answer: varies the flow rate of the pump in
the hydrostatic drive.
(001) What is supported by the lift arms and used to hold the munition or store to be loaded? - Answer:
Cradle assembly.
(001) What is the lifting capacity of the MJ-1/B? - Answer: 3,000 pounds.
(001) What drives the rear wheels on the MJ-1? - Answer: A hydrostatic drive system.
(001) What type of engine is used in the MJ-1/B? - Answer: 25.2-horsepower, diesel
(001) Name the three components of the hydrostatic drive system. - Answer: (1) Fluid coupling. (2)
Variable displacement hydraulic pump. (3) A fixed displacement motor.
(001) How does the accelerator pedal change the speed of the MJ-1/B lift truck? - Answer: Changing the
position of the accelerator pedal varies the flow rate of the hydraulic pump.
(001) How is the cantilever lift arms operated on the MJ-1/B? - Answer: By controls at the driver's
station of controls directly behind the cradle.
(002) What aircraft loading missions are supported by the MJ-40? - Answer: B-1, B-2.
(002) What ensures the boom cannot fall if a hydraulic line on the MJ-40 ruptures? - Answer: Hydraulic
locking valve.
,(002) Which loading controls are found only on the MJ-40 remote? - Answer: Ram up/down.
(002) What is the lift capacity of the MJ-40? - Answer: 10,000 pounds.
(002) What device ensures the lift boom cannot fall if a hydraulic line were to rupture? - Answer:
Hydraulic locking valve.
(002) What functions can the remote control unit control? - Answer: Longitudinal, lift, roll, azimuth, tilt,
yaw, and ram motions.
(002) How is the remote cotrol attached to the lift truck? - Answer: Flexible electrical cord.
(003) What type of fuel is the MHU-83 capable of using? - Answer: Diesel or JP-8.
(003) What device controls the engine speed of an MHU-83? - Answer: Hand throttle.
(003) Where are the controls located for adjusting the side frame width of the MHU-83? - Answer: The
operator's position only.
(003) What device ensures the boom cannot fall in the event hydraulic power is loss or a component
fails or a line breaks on the MHU-83 series lift trucks? - Answer: Counterbalance valve.
(003) The MHU-83 component used to lift the front wheels off the ground to allow side frame width
adjustment is the - Answer: lift boom.
(003) What is the primary purpose of the hydraulic hand pump located on the right hand side of the
MHU-83 lift truck? - Answer: Operating the hydraulic system should the engine quit during loading
operations.
(003) What are the MHU-83-series munitions handling/loading lift truck designed to do? - Answer: Lift,
transport and load/unload munitions and stores weighing up to 7,000 pounds.
,(003) Describe the engine of the MHU-83 series lift trucks. - Answer: Air-cooled, 25.2-horsepower, diesel
engine.
(003) What is used to lift the front wheels off the ground to adjust the width of the side frames? -
Answer: Lift boom.
(003) Which variant of the MHU-83 incorporates features of the MJ-40 to increase its capabilities
allowing it to support a wider variety of missions? - Answer: The MHU-83 D/E.
(003) What is the purpose of the hand pump located on the right-hand side of the MHU-83? - Answer:
To operate the hydraulic system should the engine quit.
(004) What is the lift capacity of an MHU-83 with aluminum rollers installed? - Answer: 7,000 pounds.
(004) Which bomb support rollers may be used with roller extensions? - Answer: All rollers.
(004) How many load binders do you need when loading with an MHU-83? - Answer: 2.
(004) What type of stand is used to support triple ejector racks (TER) when loading them and storing
them for future use? - Answer: Gantry stand.
(004) What type of load binder is attached to bomb support beams? - Answer: Nylon.
(004) Extension lift arms installed on the MJ-1 lift truck limits lifting capacity to - Answer: 2,200 pounds.
(004) You install the extension lift arms on the MJ-1A/B lift truck by - Answer: inserting the ends of the
arms into slots in the lift arms.
(004) What is the MJ-40 and MHU-83 series lift truck weight limit reduced to when using the fork
adapter assembly? - Answer: 6,000 pounds.
, (004) What accessory is used in conjunction with the MHU-83-series lift truck to load external heavy
stores on a B-52? - Answer: Fork adapter assembly.
(004) What attaches the fork adapters to the MHU-83-series lift truck's table assembly? - Answer: Two
quick-release pins.
(004) What is the maximum lifting height when the adapter assembly is inverted on the MHU-83 series
lift truck? - Answer: 107.5 inches.
(004) Pylons are attached to pylon handling adapters for mounting or removing from aircraft with -
Answer: the pylons bomb rack hooks.
(004) What bomb loading adapter is used in loading internal and external stores on the B-52? - Answer:
F310707-500 bomb loading adapter.
(004) Which lift truck supports the use of the mechanical ram assembly (MRA)? - Answer: MHU-83 D/E
or MJ-40.
(004) Where does the mechanical ram assembly (MRA) receive its power from? - Answer: Through two
hydraulic service lines attached to the lift trucks lift boom.
(004) How is the mechanical ram assembly (MRA) primarily controlled/operated? - Answer: The lift
trucks remote control unit.
(004) What is the fully extended height of the mechanical ram assembly (MRA)? - Answer: 83 inches.
(004) Which lift truck or trucks use bomb rollers? - Answer: All.
(004) What is the lift capacity of aluminum rollers when installed on the MJ-1? - Answer: 3,000 pounds.
(004) What are load binders used for? - Answer: To secure the load to the table or loading adapter.
