Hydraulic Repair Schematic

Caterpillar Hydraulic

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Author: Jack

Hydraulic Proportional

Hydraulic Proportional – On-Board Electronics

Posted on July 27, 2022

Plug & play – No user adjustments required Factory set calibration simplifies installation and replacement

Hydraulic Proportional

Hydraulic Proportional – Amplifier Configuration Flexibility

Posted on July 27, 2022
Hydraulic Proportional

Hydraulic Proportional – Amplifier Functionality

Posted on July 27, 2022
Hydraulic Proportional

Hydraulic Proportional – Amplifier Format

Posted on July 26, 2022

Different styles for application requirements – Modules (rail mount) – Plug-in Euro Cards – On-Board Electronics – Plug Amplifiers  

Hydraulic Proportional

Hydraulic Proportional – 4WSE3E (16,25, 32) Servo

Posted on July 26, 2022

Flows to 1000 Lpm at 70 bar ?p Sleeve/Spool in main stage Cast body reduces weight & cost Long life with HFC-water glycol, at high…

Hydraulic Proportional

Hydraulic Proportional – Jet Pipe Servo

Posted on July 26, 2022

 

Hydraulic Proportional

Hydraulic Proportional – 4WS2EM Servos

Posted on July 26, 2022

Servo Valve always has a Sleeve and Spool in Main Stage Servo Torque Motor and Orifices Control Pressure Balance to Position Main Spool Small Signal…

Hydraulic Proportional

Hydraulic Proportional – Flapper-NozzleServo

Posted on July 26, 2022

 

Hydraulic Proportional

Hydraulic Proportional – High Response Servo Solenoid – Pilot Op

Posted on July 25, 2022

4WRVE higher dynamics – Pilot 4WRREH 6 – Main Stage Same as 4WRL 12-pin Elec. Connector No Failsafe Position (Center main spool with Z4WE6 under…

Hydraulic Proportional

Hydraulic Proportional – High Response Servo Solenoid – Direct Op

Posted on July 25, 2022July 25, 2022

4WRREH 6: Push-pull, servo solenoid for faster response than 4WRPEH 6 – 250 Hz @ -90 deg, small signal – Nearly as fast as 4WS2EM6…

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