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TRW Automotive: EV Series Power Steering Pump Service Manual.pdf

October 26, 2008 · Filed Under Auto Parts & 3rd Parties  · Tags:

Taken from General Design:Description of the EV Series Power Steering Pump
The EV Series power steering pump is a balanced, positive displacement, sliding vane type, two line pump with an internal pilot operated flow control and relief valve. The components of this description are broken down and explained below:

Balanced
The pumping element has two pumping pockets opposed 180° from each other which balance the internal forces
due to the pressure generated by the pumping action.

Positive Displacement
The pump will output a fixed volume for each revolution of the input shaft. The fixed volume is determined by the
internal contour of the cam ring.

Sliding Vane Type
This describes the type of pumping element. The EV pumping element consists of three components.

  1. The rotor that holds the vanes and is driven by the engine with the pump input shaft.
  2. The vanes that slide back and forth in slots in the rotor while following the internal contour of the cam ring as the rotor is being turned, thus a sliding vane.
  3. The cam ring that contains the internal.

Contents:

  • Section 1 General Information [ Introduction ~ General Design & Operation ~ Torque Chart ~ Specification Numbers ~ Part Number Breakdown ~ Service Parts List ~ Exploded View ~ Oil Flow Illustration ~ Approved Hydraulic Fluids ]
  • Section 2 Installation [ Installation Procedures ~ Maintenance Tips ]
  • Section 3 Reseal & Repair [ Disassembly Preparation ~ Disassembly ~ Inspection ~ Assembly Preparation/Assembly ]
  • Section 4 Reinstallation [ Reinstallation ]

This manual is available FREE at TRW automotive website, we merely collect the information, we are neither affiliated with the author(s), the website and TRW brand nor responsible for its content and change of content. (Read our disclaimer here or here before you download the document from the website written above by clicking the below link).

Download free TRW Automotive: EV Series Power Steering Pump Service Manual.pdf ( 34 pages pdf file, 2.3 MB).

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