VALVE GP-CONTROL 2851340 - Caterpillar

Upper Window Wiper (16)
Window Wiper (16) - Push the switch in order to activate the window wiper. Whenever the switch is depressed, the mode of the window wiper will change according to the indicator light that is illuminated. 6 Second Delay - When the window wiper switch is depressed one time, the left indicator light will turn on. The window wiper will operate intermittently at 6 second intervals.3 Second Delay - When the window wiper switch is depressed 2 times, the right indicator light will turn on. The window wiper will operate intermittently at 3 second intervals.Continuous Operation - When the window wiper switch is depressed 3 times, the left indicator light and the right indicator light will turn on. The window wiper will operate continuously.OFF - When the window wiper switch is depressed four times, the indicator lights will turn off. The window wiper stops.
If the wiper does not operate with the switch in the ON position, turn the switch off immediately. Check the cause. If the switch remains on, motor failure can result.
Upper Window Washer (17)
Window Washer (17) - Push the switch in order to activate the window washer. While the switch is depressed, the indicator light will come on and washer fluid will spray from the nozzle. The window wiper will also operate while the switch is depressed. After the switch is released for approximately 3 seconds, the window wiper will stop.
If the washer is used continuously for more than 20 seconds or used when no washer solution comes out, motor failure can result.
Heavy Lift Control (18)
Push this button in order to activate heavy lift mode. Also push this button in order to deactivate heavy lift mode.
Heavy Lift Mode - This work mode increases the relief pressure in the hydraulic circuit, which increases the hydraulic force that is available for lifting operations. The cylinder speed is slower when this mode is selected. Note: During normal excavation work, the lift control must be in the OFF position.Fine Swing Control (19)
The fine swing control switch is on the right side instrument panel.
Fine Swing Control - Push down on the top of the switch in order to activate the fine swing control. This improves swing control during deceleration of a swing. Push down on the bottom of the switch in order to turn off the fine swing control. Operate the machine with the switch in the OFF position when great swing forces are required. For example, digging on a sidewall requires great swing force. Operate the machine with the switch in the OFF position in order to control the motion with the swing brake.Cab Riser Lights (20)
Illustration 17 g01266931
Light switch - Push down on the top of switch (20) in order to turn on the lights on the cab riser (20A) . Push down on the bottom of switch (20) in order to turn off the lights on the cab riser. These lights provide additional lighting near the base of the upper frame. Counterweight Fuel Switch (21)
Counterweight Fuel Switch