CASE CRAWLER DOZER 1650M Hydraulic Schematic

Technical Highlights

• Model: CASE 1650M Crawler Dozer

• Document Type: Factory Hydraulic Circuit Diagram

• File Format: PDF • 1 page • Full-color system schematic

• Flow Legend Colors:
    • Red: Hydraulic Pressure
    • Orange: Charge Pump Pressure
    • Cyan: Return to Tank / Pump Inlet
    • Purple: Track Drive
    • Blue: Track Drive Case Drain
    • Green: Load Sense

Table of Content

• Complete Hydraulic Schematic Overview
    • Full color-coded circuit of the 1650M hydraulic system
    • Clear identification of pilot, load-sense, and return lines

• Hydraulic Subsystems
    • Track Drive Hydraulic Circuit — Left and right track pumps, motors, flushing, and braking system
    • Equipment Circuit — Lift, tilt, angle, and ripper cylinders
    • Fan Drive Circuit — Fan control and reversing solenoid with integrated pressure relief
    • Charge Pump and Pilot System — Pressure generation, charge filters, and pilot accumulator

• System Pressure References
    • Main Line Pressure: 420 bar
    • Return Pressure: 30 bar
    • Charge Relief: 25 bar
    • Load Sense: 350 bar
    • Tilt/Angle/Ripper: 280 bar

• Component Index (77 Items)
    Includes:
    • Track Drive Motor, Speed Sensor, Solenoid, and Flushing Valve
    • Brake Release Valve and Solenoid
    • Tandem Pump Assembly and Control Piston
    • Equipment Spools (Lift, Tilt, Angle, Ripper)
    • Hydraulic Fan System Valves
    • Load Sense Relief Valve, Pilot Accumulator, and Check Valves
    • Filters, Coolers, Pressure Switches, and Test Points

Delivery

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