Eaton DuraForce HMR Series User Manual Download Page 24

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Eaton

Hydraulics Group USA

14615 Lone Oak Road

Eden Prairie, MN 55344

USA

Tel: 952-937-9800

Fax: 952-294-7722

www.eaton.com/hydraulics

Eaton

Hydraulics Group Europe

Route de la Longeraie 7

1110 Morges

Switzerland

Tel: +41 (0) 21 811 4600

Fax: +41 (0) 21 811 4601

Eaton

Hydraulics Group Asia Pacific

Eaton Building

No.7 Lane 280 Linhong Road

Changning District, Shanghai

200335 China

Tel: (+86 21) 5200 0099

Fax: (+86 21) 2230 7240

Printed in USA

Document No. E-MOPI-TM005-E

July 2012

Summary of Contents for DuraForce HMR Series

Page 1: ...Eaton DuraForce HMR Conversion Procedures...

Page 2: ...Orifices Set Up and Procedure 15 Maximum Displacement Adjustment Set up and Procedure 17 Minimum Displacement Adjustment Set up and Procedure 18 Adjust Crossover Relief Set up and Procedure 19 Operati...

Page 3: ...base unit you want to convert Cleanliness Cleanliness is extremely important when repairing a hydrostatic pump or motor Before disconnecting the lines clean foreign material from exterior of unit Wor...

Page 4: ...l l l l 16 Control Solenoids 0 not applicable l l l l l l A AMP 12V l l l l l l B AMP 24 V l l l l l l C DIN 12 V D DIN 24 V E Deutsch 12V F Deutsch 24V 17 Response Orifices A 0 6 mm E 1 0 mm l l l l...

Page 5: ...aforce HMR Conversion Procedures Manual E MOPI TM005 E July 2012 Blocking the Case Flushing Feature Set Up Important This procedure must be performed in a clean environment using clean Parts Tools and...

Page 6: ...please move to Procedure to Disable the Purge Valve section near the end of this document 1 Remove the spring with the needle nose pliers The safest way to remove spools springs etc like this is with...

Page 7: ...with Standard or Optimized Shuttle Valve Assemblies For unit with Dampened Shuttle Valve Assembly please move to Procedure to Disable the Purge Valve section near the end of this document Reinstall th...

Page 8: ...dure to Disable the Purge Valve Remove the purge valve Important This procedure applies to HMR Motors with Standard Optimized or Dampened Shuttle Valve Assemblies 1 Replace the existing purge valve wi...

Page 9: ...Loop Purge Valve with the 13mm wrench Install the Open Loop Purge Valve and tighten it with the 17mm wrench Torque it to 15 N m 11 ft lb Procedure to Exchange an Open Loop Purge Valve with a Closed L...

Page 10: ...hough these locations may differ from one unit type to the other the internal parts are the same This procedure must be performed in a clean environment using clean Parts Tools and Lubricants Importan...

Page 11: ...the Loctite used to keep the shuttle body in place heat the area directly above the shuttle assembly as shown here 3 Remove the first set of shuttle spool spring and shim combination 2 Use the specia...

Page 12: ...the rear head and torque it using the special Eaton tool refer to the torque chart at the bottom of this page Note An HMV motor is used to show the necessary steps throughout this document The same p...

Page 13: ...ing DOR block with the 3mm Allen wrench Keep the S H C S with the DOR being removed Do NOT reused them with the new DOR block Remove the existing DOR block from the motor control Make sure that the O...

Page 14: ...a clean environment using clean Parts Tools and Lubricants Remove the existing motor control by removing the two S H C S with the 6mm Allen wrench Keep the two S H C S for reuse Make sure to remove t...

Page 15: ...Lubricants Exchanging Response Orifices on HMR Motors Set Up and Procedure Remove the four bolts that secure the control block as shown here 1 Remove the control block as shown here 2 Note Often the...

Page 16: ...into the control block as shown here 5 Position the control block on the motors rear head as shown here 6 Exchanging Response Orifices on HMR Motors continued Set Up and Procedure Important Inspect al...

Page 17: ...ustment Depending on the specific configuration of your motor it may or may not have a maximum displacement adjustment For those HMR motors without a maximum displacement adjustment please ignore this...

Page 18: ...ntrol pressure is supplied into the displacement override port thus forcing the HMR to maximum displacement To Adjust the Motor Minimum Displacement a Hold the adjustment stud stationary with the 6mm...

Page 19: ...her reaches this maximum limit stop all testing until the temperature cools off While supplying flow to Workport A read the pressure on the gauge This is the setting for the Workport A Relief Valve To...

Page 20: ...The required purity of the hydraulic oil must be ensured during filling or topping up When drums canisters or large capacity tanks are used the oil generally has to be filtered We recommend the implem...

Page 21: ...C 20 to 90 Working viscosity range mm s cSt 10 to 80 Optimum working viscosity mm s cSt 15 to 30 Max viscosity short time start up mm s cSt 1000 Permitted Pressure Fluids Recommended Viscosity Ranges...

Page 22: ...dard p 9 Part Description Qty 0009630107 O ring 1 6003451008 Valve Sleeve 1 9516003252 Ball 1 0009211007 Spring 1 9289003006 Shim 0 5mm as req d 9289003003 Shim 0 1mm as req d 6003435512 Screw Plug 1...

Page 23: ...rifice 0 9mm 2 0009037045 Orifice 1 0mm 2 0009037050 Orifice 1 2mm 2 0009037046 Orifice 1 5mm 2 0009037511 Orifice 1 8mm 2 0009037510 Orifice 2 1mm 2 O rings for Controls p 14 Part Description Qty 000...

Page 24: ...p Europe Route de la Longeraie 7 1110 Morges Switzerland Tel 41 0 21 811 4600 Fax 41 0 21 811 4601 Eaton Hydraulics Group Asia Pacific Eaton Building No 7 Lane 280 Linhong Road Changning District Shan...

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