PUMP GP-GR C 20R6503 - Caterpillar

Circuit Breaker
Main System - Push the circuit breaker button in to reset the circuit breaker. The button should stay depressed. If it does not stay in or comes out again shortly after being reset, have the electrical system checked. Heating and Air Conditioning Reset (if equipped) - Push the button in to reset the circuit breaker. The button should stay depressed. If it does not stay in or comes out again shortly after being reset, have the electrical circuit for the heating and air conditioning system checked.Windshield Wiper/Washer (If Equipped)
Left Front Windshield Wiper/Washer (1) - Turn the knob to the right (clockwise) to turn on the windshield wiper. First click is low speed; second click is high speed.Push the knob in to spray windshield washer solvent onto the windshield. Right Front Windshield Wiper/Washer (2) - Operates the same as item (1). Rear Windshield Wiper/Washer (3) - Operates the same as item (1).Heating And Air Conditioning Operation (If Equipped)
Louvers are located in various areas of the operator's cab. The louvers can be adjusted to regulate the direction of the air flow.When a reduction of air flow occurs, the cab air filter elements need cleaning. See the topic "Cab Air Filters" in the "Maintenance Section" of this manual. The heating and air conditioning system can perform four functions: Heating - Turn the air conditioner switch knob (2) to OFF. Turn the fan speed switch knob (1) to either LOW, MEDIUM, or HIGH. Adjust the heating control switch knob (3) for the desired temperature. Cooling - Turn the heating control switch knob (3) to OFF. Turn the fan speed switch knob (1) to either LOW, MEDIUM, or HIGH. Adjust the air conditioning control switch knob (2) for the desired temperature. Pressurizing - Turn the heating (3) and air conditioning (2) switch knob to OFF. Turn the fan speed switch knob (1) to either LOW, MEDIUM, or HIGH to adjust air flow to the required volume to keep out dust.Pressure inside the operator's cab will help to keep out dust when heating or air conditioning is not required. Defogging - Turn the fan speed switch knob (1) to HIGH. Adjust both the heating (3) and air conditioning (2) switch knobs until the moisture level inside the operator's cab is lowered, the temperature is comfortable, and the windshield and all other windows are free of condensation.Fan
Fan Speed (1) - This switch knob controls the blower fan speed for the desired amount of air flow. Off (2) - Turn the switch knob to OFF to stop the fan. Low (3) - Turn the switch to LOW for lowest fan speed. Medium (4) - Turn the switch knob to MEDIUM for medium fan speed. High (5) - Turn the switch knob to HIGH for highest fan speed.Air Conditioning
Air Conditioning (1) - This switch knob controls the temperature of the air conditioning system. Off (2) - Turn the switch knob to OFF to shut off the air