SOFTWARE GP-MACHINE 4599422 - Caterpillar

Illustration 1 g01232649
Upper Left Side of Instrument Panel (1) Conveyor neutral relay (2) Conveyor control relay (3) DecalConveyor neutral relay (1) and conveyor control relay (2) are located under the left side of the instrument panel. Decal (3) near these components shows the location of the relays.Conveyor Neutral Relay
Conveyor neutral relay (1) prevents the engine from starting if the conveyor control circuit has been activated while the engine is not operating. When the conveyor neutral relay is energized, the engine cannot be started.Contact "30" of conveyor neutral relay (1) receives power when the key start switch is in the START position. Contact "85" of the relay receives power from contact "4" of the conveyor control switch when the switch is held in the ON position. After the switch is released, contact "87" of the conveyor control relay provides the power to contact "85" of the conveyor neutral relay.Conveyor Control Relay
Conveyor control relay (2) is a latching relay. Contact "30" of this relay receives power when the conveyor control switches are in the HOLD position or in the ON position. Contact "85" of this relay receives power from contact "4" of the conveyor control switch when the switch is held in the ON position. After the switch is released, contact "87" of the conveyor control relay provides the power to contact "85" of the conveyor control relay.Conveyor Speed Resistor
Illustration 2 g01232650
Under the Instrument Panel (4) Conveyor speed resistorConveyor speed resistor (4) is mounted to the front wall of the compartment which is under the instrument panel. The instrument panel can be tilted in order to access this component.Conveyor speed resistor (4) is wired into the conveyor control circuit between the upper stage conveyor speed potentiometer and the upper stage conveyor solenoid.Conveyor Manifold
Illustration 3 g01232652
Right Side of Engine Compartment (5) Upper conveyor relief valve (6) Collecting conveyor motor inlet solenoid (7) Upper conveyor solenoid (8) Collecting conveyor relief valve (9) Collecting conveyor motor bypass solenoidThe conveyor manifold is located under a floor panel in the engine compartment, on the right side. This manifold contains two relief valves and three solenoid valves.Upper Conveyor Relief Valve
Upper conveyor relief valve (5) is located on the top face of the conveyor manifold. This valve limits the pressure in the line to the upper conveyor to 20670 340 kPa (3000 50 psi).Inlet Solenoid
Inlet solenoid (6) for the collecting conveyor motor is located on the right face of the conveyor manifold. Bypass solenoid (9) for the collecting conveyor motor is located in front of the motor inlet solenoid. When the conveyor is operating, these solenoids are energized.Upper Conveyor Solenoid
Upper conveyor solenoid (7) is located on the right face of the conveyor manifold. The upper conveyor solenoid is a proportional control valve which regulates the flow of oil through the upper conveyor motor. When the conveyor system is OFF, the flow from the upper conveyor pump bypasses the motor. When the conveyor system is ON, the amount of oil which flows through the upper conveyor motor is proportional