Control Chief TM6000 Betreibershandbuch PDF herunterladen (Seite 34)

TM 10-3930-660-10

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THEORY OF OPERATION - CONTINUED 0003 00

HYDRAULIC SYSTEM

1. Hydraulic Oil Reservoir

. Contains oil for the entire hydraulic system.

2. Hydraulic Oil Filter

. Removes smaller harmful particles from the oil before the oil returns to the reservoir.

3. Main Control Valve

. Located on the engine compartment bulkhead of the main frame (near back of transmission). Oper-

ated by the hydraulic joystick control valve to control: boom hoist/lowering and extend/retract.

4. Attachment Control Valve

. Mounted on the attachment and controlled by an electrical joystick. Controls the three

attachment functions: hoist/lowering, fork tilt, and fork sideshift.

5. Frame Tilt Valve

. Mounted inside the console located to the right of the operator seat. Controls the tilting of the vehicle

frame. Operated by frame tilt control lever.

6. Hydraulic Joystick Control Valve

. Located on the side console in cab. Controls the following boom functions: raise,

lower, extend, and retract.

7. Dual Gear Pump

. Mounted to and driven by the transmission to supply hydraulic oil flow. This two section pump sup-

plies hydraulic fluid for the following functions: boom hoist, boom extend, steering, brakes and frame tilt.

8. Piston Pump

. Mounted to and driven by the transmission. This pump supplies hydraulic fluid for the following functions:

attachment hoist, fork tilt and shift control.

9. Emergency Steering Pump and Motor

. Located in the vehicle frame forward of the transmission. This pump supplies 5

gpm of emergency flow to the steering system whenever the starter-run control switch is on and there is a loss of hydraulic

oil pressure. The pump is driven by an electric motor.

10. Fork Sideshift Cylinders

. Two cylinders controlled by one joystick control. Both cylinders can by operated at the same

time to sideshift forks left or right, to move forks together or apart. The cylinders can also be operated individually.

11. Carriage Tilt Cylinders

. Two cylinders controlled by the electric joystick control. Moving the lever to the right causes

the cylinders to extend and the fork tips to lower. Moving the lever to the left causes the cylinders to retract and the fork

tips to raise.

12. Attachment Hoist Cylinder

. This cylinder is controlled by the attachment hoist control joystick. When the lever is

pushed forward, the cylinder will retract. When the lever is pulled back, the cylinder will extend and raise the MLRS

attachment.

13. Boom Extend Cylinder

. This cylinder is controlled by the boom extend and retract joystick control. Moving the lever to

the right causes the cylinder to extend and increase the reach distance or the height of the forks, depending on the angle of

the boom. Moving the lever to the left causes the cylinder to retract.

14. Frame Tilt Cylinder

. This cylinder is controlled by the frame tilt control joystick. When the lever is moved forward, the

cylinder extends and tilts the vehicle to the left. Pulling the lever back causes the cylinder to retract and tilt the frame to

the right.

15. Boom Hoist Cylinders

. Two cylinders controlled by the boom hoist control joystick. When the lever is moved forward,

the cylinders retract and the boom lowers. Moving the lever backward causes the cylinders to extend and the boom to

raise.

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