HARNESS AS-CONSOLE 1636765 - Caterpillar

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.
If the wipers are used continuously for more than 20 seconds in dry conditions, failure of the wiper motor can result.
Note: The window wipers will not operate if the windows are not fully closed.
Illustration 1 g00794614
Window Washer - Push knob (1) toward the steering wheel in order to activate the window washer. Spring force will return the knob after use.
Window Wiper - Turn knob (2) in a counterclockwise direction. The following settings may be selected: OFF position, INTERMITTENT DELAY position and ON position.