BODY AS-PISTON 3724884 - Caterpillar

Right Console Switch Panel For 311D, 312D, 313D, 314D, 315D, 318D, and 319D Machines.
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Switch Panel (1) Travel Mode Switch (2) Auto Engine Speed Control Switch (3) Backup Alarm Switch (4) Schematic symbolRight Console Switch Panel Connector For 312D2, 313D2, and 318D2.
Illustration 2 g03426397
One Touch Low Idle Switch
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Right Joystick (3-Button, Trigger Switch) (1) Low Idle Switch (SW-3) (2) Low Idle Switch (SW-3) Connections
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Right Joystick (2-Button, Slide, Trigger Switch) (1) Low Idle Switch (SW-3) (2) Low Idle Switch (SW-3) ConnectionsNote: SW-2 is a trigger switch and is not shown in Illustrations 3 and 4.The one touch low idle switch is located on the right joystick handle (See Illustrations 3 and 4). The one touch low idle switch will automatically reduce engine speed to 1020 RPM. Both joystick handles (LH and RH) must be in the neutral position before the engine speed is reduced.Pressure Switch
Illustration 5 g00663092
"Travel Pressure Switch ""Implement Pressure Switch""Medium Pressure Switch""Joystick Pressure Switch""High Pressure Switch""Bucket Extension Pressure Switch""Stem 2 Pressure Switch"Auxiliary Pump Pressure SwitchBoom Up Priority Pressure SwitchThese pressure switches will monitor the hydraulic system. This switch is normally open. These switches will inform the controller about the status of the hydraulic demands. When there is no hydraulic demand, these switches are open. The ECM uses these switches to control the engine speed and the pump.Key Start Switch
Illustration 6 g00291705
Key Start SwitchThe key start switch is an input of the engine and pump controller. The key start switch informs the ECM of an attempt to start the engine. Then, the ECM initiates the start procedure.During normal machine operation, the start terminal of the key start switch is open. If the key start switch is placed in the START position, the start terminal will close. +Battery voltage is supplied to the start terminal. When all starting conditions are satisfied, the ECM sends a +battery signal to the start relay and engine cranking begins.Note: After the key start switch is initially turned to the START position, the switch will not return to the START position from the ON position. The switch must be turned to the OFF position first. Then, the switch can be turned to the START position.Toggle Switches
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Backup EPR Valve Switch ("D Series" Machines Only)Backup Crane Switch ("D Series" Machines Only)
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Tool Priority Switch