Eaton Hydraulics 39 Manual
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Eaton Hydraulics 39 Manual

Eaton Hydraulics 39 Manual

Electronic proportional ep control for heavy duty for heavy duty series 0/1 piston
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Electronic Proportional (EP) Control for
Heavy Duty Series 0/1 Piston Pumps
Parts & Service 08-10-0001
EN-0901
Model 33
Model 54
Model 39
Model 64
Model 46
Model 76

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Summary of Contents for Eaton Hydraulics 39

  • Page 1 Electronic Proportional (EP) Control for Heavy Duty Series 0/1 Piston Pumps Model 33 Model 54 Model 39 Model 64 Parts & Service 08-10-0001 EN-0901 Model 46 Model 76...

  • Page 2: Table Of Contents

    Troubleshooting Reference Settings ........... . . 18 EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...

  • Page 3: Introduction

    Performance values are typical values. Customers are responsible for selecting products for their applications using normal engineering methods. EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...

  • Page 4: Parts List

    Alternate reference source: Pioneer Standard Electronics 1-800-257-6613 9900045-000 Tool (1) 1209 4429 www.pios.com 4-Pin Housing Connector (Female) (1) 1218 6568 4-Pin Housing Connector (Male) (1) 1218 6271 EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...

  • Page 5: Tools Required

    • 3/4" Open-End Wrench • Flat Blade Screwdriver • 12 VDC Power Supply or Battery • Voltage Ohm Meter (VOM) • Charge Pressure Gauge EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...

  • Page 6: Repair And Service

    Step 3 Using a 1/8" bit socket or hex key, remove the three 10-24 button head cap screws and lockwashers. EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...
  • Page 7 Carefully lift the valve assembly upward and slide it away from the pump to disengage the control feedback link from the swashplate link. EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...

  • Page 8: Reassembly

    Reassembly Step 9 Clean the control mounting surface. Install a new control valve gasket by aligning with bolt and porting holes. EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...
  • Page 9 Install the two solenoid coils. The coil position numbers stamped on each coil subassembly and on the valve assembly should match. Refer to page 3 for detail. EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...

  • Page 10: Neutral Adjustment

    B. Install charge pressure gauge. A 0-1000 psi or 0-1500 psi pressure gauge is recommended. C. Start the prime mover. EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...
  • Page 11 I. Carefully hold adjustment screw while torquing locknut. Torque locknut to 10±1 lbf·ft. Neutral adjustment is completed. Alignment slot to be towards control spool ± 90˚ EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...
  • Page 12 Step 18 Install the two remaining lock- washers and 10-24 button head cap screws. Torque to 40-48 lbf·in. EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...
  • Page 13 Recheck your work and then reconnect the power to the vehicle or system. Step 22 The pump is now ready to return to operation. EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...

  • Page 14: Interconnect Schematic

    -20 mA signal to operate the *Note: Actual flow direction depends Full Stroke Port A Flow* on pump type and rotation pump in the opposite direction. Typical Control Characteristics EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...

  • Page 15: Troubleshooting

    The DC voltage reading should be approxi- mately ±5 volts for input command currents of ±20 mA respectively. EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...
  • Page 16 The DC voltage reading should be approximately ±5 volts for input command currents of ±20 mA respectively. EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...
  • Page 17 Refer to instructions on page 5. Disconnect the two solenoid four-pin connectors. Follow instructions for setting neutral on page 10 Step 15. EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...

  • Page 18: Troubleshooting Reference Settings

    Max command in Minimum 1.5 A one direction Maximum 2.0 A Neutral Max command in Minimum 1.5 A the same direction Maximum 2.0 A EATON EP Control for Heavy Duty Series 0/1 Piston Pumps Parts & Service 08-10-0001-EN-0901 September 2001...
  • Page 19 Fax: (44) 23 92 487 110 DET NORSKE VERITAS INDUSTRY BV, THE NETHERLANDS www.eaton.com Quality System Certified Products in this publication are manufactured in an ISO-9001-certified site. © 2001 Eaton Corporation All Rights Reserved Printed in USA Form No. 08-10-0001 EN-0901 September 2001...

This manual is also suitable for:

Hydraulics 33Hydraulics 46Hydraulics 54Hydraulics 64Hydraulics 76

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