WASHER, THRUST LOWER 7097270C1 - Caterpillar

Illustration 7 g01052178
Joystick (Type 2) (16) Joystick (47) Auxiliary Thumb Slider (48) Trigger Switch (49) Thumb SliderThe joystick (16) is located on the right side of the operator seat. The joystick (Type 1) contains two auxiliary buttons (47), one trigger switch (48) and one thumb switch (49). The joystick (Type 2) contains two thumb switch (47) and (49) and one trigger switch (48) .The lateral movement of the joystick and the longitudinal movement of the joystick is monitored by two sensors that are mounted in the base of the joystick. These sensors send signals to the machine ECM (46) in order to operate the selected functions. The signals that are sent to the machine ECM are proportional to the distance of the joystick movement.Thumb switch (49) also sends a proportional signal to the machine ECM for the function that is assigned to the thumb switch.On the joystick (Type 1), The two auxiliary buttons (47) control the auxiliary functions. The trigger switch (48) is used in order to select the auxiliary circuit, if more than one auxiliary circuit is installed.On the joystick (Type 2), The thumb switch (47) controls the auxiliary functions. The trigger switch (48) is used in order to select the auxiliary circuit, if more than one auxiliary circuit is installed.The joystick is calibrated in ET in order to ensure the proper input from the joystick to the machine ECM.The joystick has two modes of operation. Table 1 shows the configurations and the functions that are controlled by the joystick. The configuration of the joystick is selected in ET.
Table 1
Configuration of the Joystick    
    Construction     Bucket    
Joystick forward and backward     Boom raise/lower     Boom raise/lower    
Joystick left and right     Boom extend/retract     Coupler Tilt forward and Tilt backward    
Thumb switch     Coupler Tilt forward and Tilt backward     Boom extend/retract    Operator Switches
The following switches are located in the cab. These switches provide direct input to the machine ECM in order to control some of the functions of the hydraulic system:
Lockout switch (19)
Continuous flow switch (18)
Quick coupler switch (17)
Left stabilizer switch (20)
Right stabilizer switch (21)
Differential lock switch (47) The switch for the frame level (29) is also located in the cab but the switch for the frame level does not provide direct input to the machine ECM. The switch for the frame level directly controls the solenoids on the frame leveling valve (30). The frame leveling system is enabled by the machine ECM through the relay for the interlock of the frame (28) .Piston Pump (Implement and Steering)
The hydraulic pump is capable of producing a maximum flow of 106 L/min (28 US gpm). The hydraulic pump is a variable displacement axial piston pump. Also, the pump has flow and pressure compensation.The hydraulic pump supplies pressurized oil for the braking system, the steering system and the implement system.Pump output only takes place when an implement demands flow. When the demand is low, the pump destrokes and the pump output is reduced. This