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Danfoss Power Solutions is a global manufacturer and supplier of high-quality hydraulic and

electronic components. We specialize in providing state-of-the-art technology and solutions that

excel in the harsh operating conditions of the mobile off -highway market. Building on our extensive 

applications expertise, we work closely with our customers to ensure exceptional performance for a 

broad range of off -highway vehicles. 

We help OEMs around the world speed up system development, reduce costs and bring vehicles to

market faster.

Danfoss – Your Strongest Partner in Mobile Hydraulics.

Go to www.powersolutions.danfoss.com for further product information.

Wherever off -highway vehicles are at work, so is Danfoss. 

We off er expert worldwide support for our customers, ensuring the best possible solutions for 

outstanding performance. And with an extensive network of Global Service Partners, we also provide 

comprehensive global service for all of our components.

Please contact the Danfoss Power Solution representative nearest you.

Local address:

Danfoss 

Power Solutions GmbH & Co. OHG

Krokamp 35

D-24539 Neumünster, Germany

Phone: +49 4321 871 0

Danfoss 

Power Solutions ApS

Nordborgvej 81

DK-6430 Nordborg, Denmark

Phone: +45 7488 2222

Danfoss 

Power Solutions US Company

2800 East 13th Street

Ames, IA 50010, USA

Phone: +1 515 239 6000

Danfoss 

Power Solutions

(Shanghai) Co. Ltd.

Building #22, No. 1000 Jin Hai Rd

Jin Qiao, Pudong New District

Shanghai, China 201206

Phone: +86 21 3418 5200

Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to

products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed.

All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.

L1026660 • Rev BA • Mar 2014

www.danfoss.com

©

 Danfoss A/S, 2014

 

Products we off er:

  Bent Axis Motors

  Closed Circuit Axial Piston 

Pumps and Motors

  Displays

  Electrohydraulic Power  

Steering

  Electrohydraulics

  Hydraulic Power Steering

  Integrated Systems

  Joysticks and Control  

Handles

  Microcontrollers and  

Software

  Open Circuit Axial Piston  

Pumps

  Orbital Motors

  PLUS+1® GUIDE

  Proportional Valves

  Sensors

  Steering

  Transit Mixer Drives

 

Comatrol

www.comatrol.com
Schwarzmüller-Inverter

www.schwarzmueller-

inverter.com
Turolla 

www.turollaocg.com
Valmova

www.valmova.com
Hydro-Gear

www.hydro-gear.com
Daikin-Sauer-Danfoss

www.daikin-sauer-danfoss.com 

Summary of Contents for EH Series

Page 1: ...MAKING MODERN LIVING POSSIBLE Service Manual Steering Unit EH Electro Proportional Hydraulic Valve In line Version powersolutions danfoss com...

Page 2: ...Revisions Date Changed Rev Mar 2014 Converted to Danfoss layout DITA CMS BA Sep 2010 New back cover AB Jun 2010 First edition AA Service Manual EH Electro Proportional Hydraulic Valve In line Version...

Page 3: ...5 Tools Tools 6 Dismantling Dismantling the EH valve 7 Preassembly Inspection cleaning and replacement 13 Cleaning 13 Inspection and replacement 13 Lubrication 13 Reassembly Reassembly of the EH valv...

Page 4: ...lve housing 1 1 Main spool 2 1 PVE 3 1 Plug 4 1 50 5 Filter 5 2 O ring 6 3 O ring 7 1 O ring 8 1 Spring 9 1 PR cone 10 1 PR spool 11 1 Plug 12 1 15 2 Pilot cone and spring 13 1 Adjusting screw 14 1 Pr...

Page 5: ...sing 1 1 Main spool 2 1 PVE 3 1 Plug 4 1 50 5 Filter 5 1 O ring 6 3 O ring 7 1 O ring 8 1 Spring 9 1 PR cone 10 1 PR spool 11 1 Plug 12 1 Pilot cone and spring 13 1 Adjusting screw 14 1 Protection plu...

Page 6: ...2 5 mm 4 mm 5 mm Calibration Torque wrench Small screw driver Magnetized tool O ring pick or similar 3 mm threaded screw Bench vise Tools are not available from Danfoss Service Manual EH Electro Prop...

Page 7: ...ner Carefully pries lose the o ring seals 6 7 and 8 and Screen Mesh Filter 5 from PVE Fasten housing in a vice and remove the spool retainer plug 4 using a 27 mm spanner or socket wrench Service Manua...

Page 8: ...er plug 16 using a 5 mm Allan key This only applies to units with PVFC spool Insert a 3 mm threaded screw into the end of the PVFC spool 18 and use to remove the spool from the housing Service Manual...

Page 9: ...ith a 5 mm Allan key Remove the Pressure Reducing spool 11 from the cavity Remove the Pressure Reducing poppet 10 with a magnetized tool Service Manual EH Electro Proportional Hydraulic Valve In line...

Page 10: ...lot Relief Valve plastic protection cover 15 with a small screw driver or O ring pick Then remove the Pilot Pressure relief valve adjusting screw 14 with a 5 mm Allan key Service Manual EH Electro Pro...

Page 11: ...en installed This only applies to units with dynamic orifice i e units without PVFC spools Pries out the screen mesh filter 20 with a small pick or small screw driver This only applies to units with d...

Page 12: ...fice plug 21 with a 2 5 mm Allan key This only applies to units with dynamic orifice i e units without PVFC spools Service Manual EH Electro Proportional Hydraulic Valve In line Version Dismantling 12...

Page 13: ...and replacement Check all parts carefully and make any replacements as necessary All O rings and screen filters must be replaced Lubrication Before assembly lubricate all parts with hydraulic oil Serv...

Page 14: ...iner hexagonal plug 16 into the housing with a 5 mm Allan key and tighten Remember to lubricate the O ring with light weight grease Make sure that the main directional spool 2 is lubricated with a thi...

Page 15: ...to lubricate the O ring with a small amount of grease Insert PV poppet spring unit 13 into the housing Then screw in PV pressure adjustment setting screw 14 with 5 mm hexagon socket spanner Make sure...

Page 16: ...PV adjustment screw 14 is set to the required pressure on a test bench Insert the Pressure reducing spring 9 into the housing Then the PV poppet 10 must be inserted into the spring stem end first Serv...

Page 17: ...icate the spool first with a thin film of oil Screw in RP retaining plug 12 with 5 mm Allan key Make sure O ring is lubricated If your EH valve has a dynamic orifice function then screw the plug 18 in...

Page 18: ...ng with 4 mm Allan key Carefully place the screen mesh filter 5 dome first into the PVE housing followed by the O rings 6 7 and 8 Remember to use a light grade grease to keep the O rings in place Serv...

Page 19: ...Mount the PVE 3 to EH housing with the four cap screws 17 and tighten with 5 mm Allan key Service Manual EH Electro Proportional Hydraulic Valve In line Version Reassembly L1026660 Rev BA Mar 2014 19...

Page 20: ...Phone 45 7488 2222 Danfoss Power Solutions US Company 2800 East 13th Street Ames IA 50010 USA Phone 1 515 239 6000 Danfoss Power Solutions Shanghai Co Ltd Building 22 No 1000 Jin Hai Rd Jin Qiao Pudo...

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