Worksheets2T331C
Total questions: 78
Worksheet time: 38mins
When hitching a trailer to a tow vehicle, the hazard point created is called
Shear
Wrap
Crush
Pinch
This kind of potential hazard point is associated with a chain, belt, or gear drive
Pinch
Wrap
Shear
Crush
Which action is taken if the rollover protective structure (ROPS) is damaged
Repair by welding
Reuse after repairing
Replace damaged ROPS
Bend damaged section back to normal
Complete this action before returning a forklift to the field
Clean the forklift
Load test the forklift tines
Make sure it is functioning properly
Verify the forklift’s owning organization
To support a forklift for maintenance
Use stacks of small blocks
Use hollow-tube block units
Blocks must be stacked until the forklift is level
Be sure the blocks are solid one piece units
Before removing major assemblies on forklifts, always
Consult with your supervisor
Get recommended procedures from your trainer
Consult and use recommended procedures from your trainer
Consult and use recommended procedures from the technical order
This is the ideal position of the hyster 10k forklift mast prior to performing any maintenance
Raised
Locked
Lowered
Extended
Where is the eccentric located on the hyster 10k forklift that drives the fuel system lift pump
Camshaft
Crankshaft
Rocker pump
Fuel pump shaft
The hyster 10k forklift uses this type of electrical ground system
24 volt, negative
12 volt negative
24 volt positive
12 volt positive
On the hyster 10k forklift the positive battery cable connects to the starter solenoid through an emergency
Solenoid
Quick disconnect
Disconnect switch
Disconnect solenoid
In the event of an emergency on the hyster 10k forklift which initially actuates the disconnect of battery power from the rest of the electrical system
Electrical switch
Electrical current
Mechanical cable
Mechanical switch
This is the function of the diode trio used in the prestolite 8E series alternator
Rectifies output direct current (DC) to alternating current (AC)
Rectifies output AC to DC
Supplies current to the field circuit
Protects the voltage regulator from short circuits
How many hydraulic pumps supply oil flow for the hyster 10k forklift hydraulic system
1
2
3
4
Where is the hyster 10k forklift power steering system relief valve located
Inside the steering pump
Inside the steering valve
On top of the hydraulic system main control valve
On top of the hydraulic system main pump housing
The hyster 10k forklift main hydraulic pump outlet port is connected by a hydraulic line to the main
Control valve
Mast cylinder
Steering valve
Hydraulic tank
The hyster 10k forklift uses this type of steering pump
Bi-rotor
Rotary
Spool
Vane
The main hydraulic control valve of the hyster 10k forklift includes
4 spool valves, 2 load check valves, and a relief valve
2 spool valves, 2 load check valves, and a relief valve
4 spool valves, 4 load check valves, and a 2 stage relief valve
2 spool valves, 4 load check valves, and a 2 stage relief valve
Which arrangement on the hyster 10k forklift hydraulic cylinders lifts the upright up and down
2 double acting and one single acting cylinders
2 single acting and 1 double acting cylinder
3 double acting cylinders
3 single acting cylinders
This valve on the hyster 10k forklift prevents the carriage from quickly dropping
Fail safe relief
Safety control
Safety carriage
Spool safety carriage
This is the most common place for air to enter the hyster 10k forklift hydraulic system
Inlet side of the main pump
Outlet side of the main pump
Forward line of the right tilt cylinder
Rearward line of the right tilt cylinder
While checking a hyster 10k forklift cylinder for internal leaks, what should you do after you measure the distance the piston extends from the cylinder shell
Monitor the hydraulic high pressure gauge for pressure changes
Wait 90 seconds and recheck the distance
Wait 5 minutes and recheck the distance
Check the flow meter for volume
The most common cause of repairs on the hyster 10k forklift main hydraulic pump is worn or damaged
Gears
Rotors
Seals
Sensors
When performing a relief valve adjustment on the hyster 10k forklift, what should the engine speed be at while checking pressures
1000 revolutions per minute (rpm)
1250 rpm
Maximum
Idle
When troubleshooting the hyster 10k forklift charging system how are the orange wires attached to the alternator checked
Check the amount of resistance of each wire
Check the amount of current flowing through both wires
Disconnect from alternator and check for battery voltage at the end of each wire
Disconnect from alternator and check for continuity between the orange wires
Which type controls separate the caterpillar AT forklift from other forklifts
Hydraulic
Magnetic
Electronic
Mechanical
How is the park brake applied on the CAT AT forklift
Electrically by a switch
Pneumatically by a foot pedal
Manually by a lever and cable assembly
Hydraulically by a lever and pressure assembly
The hydraulic functions of the CAT AT forklift are controlled by
The engine
Remote control
Pilot operated valves
Pilot operated relays
How is the metering pump control valve section connected to the steering wheel on the CAT AT forklift
Mechanical linkage
Hydraulic coupling
Anchor bolts
Rack piston
Before the caterpillar adverse terrain forklift can be driven onto an aircraft several assemblies must be removed, such as the cab counterweights and
Front forks
Exhaust stack
Hydraulic storage tank
3 stage upright weldments
On the southwest 25k loader, can movement for air transport is accomplished
Hydraulically
Mechanically
Electrically
Manually
How many rows of recessed rollers are located on the top of the southwest 25k loader deck
2
4
6
8
This is the hydraulic system component that moves and controls pallets during loading and unloading operations on the southwest 25k loader
Power conveyor
Side shift
Roll
Lift
On the southwest 25k loader the roll and side shift linkage attaches the loader deck to the lift
Frame
Linkage
Bracket
Cylinder
The tandem front axles on the southwest 25k loader are
Nondriving
Air actuated
Electrically actuated
Mechanically actuated
How many maintenance support stands beams support a southwest 25k loader
3
4
5
6
On the southwest 25k loader the operation of the hydraulic system is accomplished by using hydraulic cylinders activated by which electrically controlled devices
Manifold assemblies
Solenoid assemblies
Manifold valves
Solenoid valves
On the southwest 25k loader a warning buzzer in the cab will sound and a low air pressure indicator will light up on the dash when air pressure drops below this number of psi
90
80
70
60
On the southwest 25k líder the auxiliary air connection is a fitting that branches off of the
Primary outlet line
Secondary outlet line
Primary air reservoirs
Secondary air reservoirs
On the southwest 25k loader 4 batteries are connected in series parallel to provide 24 volts DC to the starter motor and the
Transformer
Heating elements
Emergency pump
External connector
On the southwest 25k líder the emergency power source connector is mounted on the side of this box
Battery
Junction
Converter
Transformer
Referring to this part of the technical order is the best way to begin troubleshooting
Schematics
Operators manual
Troubleshooting chart
Operating instructions
On the southwest 25k loser to ensure the cargo loader deck (side shift) is centered measure the distance from the
Inner edge of the lift link to the front of the roll shaft on both sides
Outer edge of the lift link to the end of the roll shaft on both sides
Inner edge of the lift link to the front of the roll shaft on one side
Outer edge of the lift link to the end of the roll shaft on one side
The side shift limit switch on the southwest 25k líder is attached to a bracket on this part of the side shifting assembly
Back of the rear roll
Front of the rear roll
Front of the front roll
Back of the front roll
When adjusting the transmission shift cylinder on the southwest 25k loader if air pressure is applied to the forward port of the shift cylinder the actuator flange is pushed against the
Shift cable clevis
Shift cylinder shaft
Rear adjusting screw
Front adjusting screw
On the halvorsen 25k loader this provides for positive driving of both wheels should one wheel lost traction
Differential lock
4 wheel drive
Traction control system
Increased tire tread depth
When driving up and down ramps additional chassis clearance on the halvorsen 25k cargo loader is provided by helper
Shocks
Springs
Shackles
Cylinder
The rear axle on the halvorsen 25k loader attaches to the chassis with pivot
Brackets
Bolts
Pins
Arm
This provides the means to raise, lower, and pitch the halvorsen 25k loader deck
Scissors
Hopper assembly
Linkage assembly
Hydraulic assembly
On the halvorsen 25k loader which contains all switches gauges and indicator lights for starting and shutting down engine
Dash panel
Convey panel
Emergency panel
Speed control panel
The first step in troubleshooting a halvorsen 25k loader malfunction is
Checking with operator
Checking maintenance and discrepancy log
Preforming an operational check on each system
Isolating the malfunction to the system that is causing the malfunction
This halvorsen 25k loader system provides the power for loader functions steering and brake systems
Electrical
Hydraulic
Pneumatic
Mechanical
Which type of hydraulic system does the halvorsen 25k loader use
Wet type
Dry type
Open center
Closed center
The automatic emergency system feature on the halvorsen 25k loader is active when the ignition switch is
ON and the parking brake is OFF
OFF and parking brake is ON
In AUTO and parking brake ON
On ACCESSORIES and parking brake OFF
This usually causes hydraulic component problems
Improper hydraulic oil viscosity
Lack of periodic maintenance
Hydraulic oil contamination
Low oil level
All halvorsen 25k loader hydraulic system solenoid actuated control valves are equipped with
An automatic adjustment feature
An automatic override sensor
A manual adjustment knob
A manual override device
The halvorsen 25k loader fuel pump operates on
6 volts direct current
12 VDC
24VDC
12/24VDC
Where are the auxiliary controls on the halvorsen 25k loader
Battery box
Operators cab
Main hydraulic panel
Main electrical panel
Which indicator illuminates when external power is connected to the winterization system on the halvorsen 25k loader
Ac on
Power system applied
Ext. power connected
Winterization connected
This allows for a tighter steering radius and increased load stability on the 60k loader
Articulated steering
Suspension system
Bogey assemblies
Steering plates
This provides the foundation and structural center of the 60k loader
Suspension system
Bogey assemblies
Lift link assembly
Chassis
The 60k loader steering system is
Pneumatic over mechanical
Mechanical over hydraulic
Hydraulic over mechanical
Pneumatic over hydraulic
The axle line on the 60k loader that is stationary and is the pivot point when turning is number
1
2
3
4
The 60k loader deck assembly is mounted to the front and rear main lift linkages by the
Roll and side shift mechanism
Hydraulic lift cylinders
Power conveyors
“Yaw” function
These 60k loader major components provide support and vertical operation of the deck
Hydraulic cylinders
Power conveyors
Deck extensions
Lift linkages
The 60k loader hydraulic pump networks connect to the engine by a
Coupling
Flywheel
Drive shaft
Splitter gearbox
If a hydraulic pump on the 60k loader fails, continued hydraulic operation is made possible by the crossover
Switch
Sensor
Pump
Line
How many drive hubs on the 60k loader produce the final drive output power from the drive motor to the wheels
2
4
6
8
The tool used to troubleshoot hydraulic functions on the 60k loader is the hydraulic
Flow gauge
Static gauge
Pressure gauge
Sequence gauge
The 60k loader pneumatic system provides air for the
“Yaw” function
Lift operation
Drive motor
Brakes
Which allows for connection of external air pressure on the 60k loader
Air valve
Glad hands
Check valve
Auxiliary air seals
Which subsystem on the 60k loader produces air for the entire pneumatic system
Pressurization
Secondary
Charging
Primary
This subsystem on the 60k loader provides normal braking ability for the driving axles
Emergency
Secondary
Charging
Primary
This preheats the 60k cargo loader batteries for cold weather starting
External battery charger
Battery blankets
Electric heaters
Pan liner
This prohibits the 60k loader emergency pump from operating when the engine is running
Run interlock circuit card
Start interlock circuit card
Run interlock circuit protector
Start interlock circuit protector
How many times minimum is the suspension fully operated up and down after an adjustment to the 60k loader suspension height limit switches
2
5
10
30
This many encoders are mounted on the 60k loader lift links
1
2
3
4
This is the first step in the 60k cargo loader encoder adjustment procedure
Set parking brake
Support the deck
Loosen encoder
Raise the deck
When performing an encoder adjustment after comparing the recorded measurement to the reading on the encoder reader, adjust the encoder if the numbers are
Zero
Equal
Not equal
Above the previous reading
