BAIC DX Excavator Electrical System Service & Repair Manual (EN)

X O (Above 3.3 Volts) X (Below 3.3 Volts) 5 Zener Diode Switch X O Relay Diode 1) General system & engine Not connected wire Connected wire Electric system ѓ Basic symbol

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6 Motor Proportional valve Temperature sensor Pressure sensor M 1) General system & engine Solenoid valve Electric system Fuse ѓ Basic symbol

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7 Illuminate (Diode) light Heater Circuit breaker (-) Ground 1) General system & engine Fusible link Electric system Light ѓ Basic symbol

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