Table of Contents
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1 Purpose of Instructions
These instructions will simplify the installation, operation, maintenance, and troubleshooting of Oilgear's XD5-100
variable piston pump.
Figure 1 - Oilgear XD5-100
2 Reference Material
2.1 General Reference
Description ......................................................................................................................................... Bulletin Number
Oilgear Fluid Recommendation ......................................................................................................................... 90000
Oilgear Filtration Recommendation .................................................................................................................. 90007
Oilgear Piping Information ................................................................................................................................. 90011
Installation of Vertically Mounted Axial Piston Unit .......................................................................................... 90014
2.2 XD5-100 Documents
Description ......................................................................................................................................... Bulletin Number
Installation Bulletin .......................................................................................................................................... 910001
Phone: (402) 727-9700
Website: www.Oilgear.com
Pump Service Manual
XD5-100-A1
905 S. Downing Street, Fremont, NE 68025
Page 1 of 31
Issue Date: 1/4/2021
910003
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Summary of Contents for OilGear XD5-100-A1
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Page 1: Purpose Of Instructions
Pump Service Manual XD5-100-A1 1 Purpose of Instructions These instructions will simplify the installation, operation, maintenance, and troubleshooting of Oilgear’s XD5-100 variable piston pump. Figure 1 - Oilgear XD5-100 2 Reference Material 2.1 General Reference Description ............................Bulletin Number Oilgear Fluid Recommendation ......................... 90000 Oilgear Filtration Recommendation ........................ -
Page 2: Table Of Contents
Pump Service Manual XD5-100-A1 3 Table of Contents Purpose of Instructions ..................................1 Reference Material.................................... 1 General Reference ..................................1 XD5-100 Documents ................................. 1 Table of Contents ....................................2 Safety First ......................................3 Safety Nomenclature ................................3 Warnings ....................................3 Pump Characteristics .................................. -
Page 3: Safety First
XD5-100-A1 4 Safety First Read and understand this entire instruction sheet before repairing or adjusting your Oilgear product. Those who use and maintain this equipment must be thoroughly trained and familiar with the product. If incorrectly used or maintained, this product and its equipment can cause severe injury. - Page 4 “Twist” may result in premature hose failure. before the unit is put into service. Replace damaged This can cause serious injury. Please contact Oilgear for hoses or hoses you suspect are damaged before the assistance when required.
- Page 5 Pump Service Manual XD5-100-A1 DO NOT heat hydraulic pipe. The carbon content of this An Oilgear pump must not be modified in any way steel tube is such that if heated for bending, and either without authorization from Oilgear. Modifications...
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Page 6: Pump Characteristics
Pump Service Manual XD5-100-A1 5 Pump Characteristics This section concentrates on the characteristics of the main pump – the components contained by the main housing to the pump. For information on the control options for the pump, please refer to Section 5.1 Specifications... -
Page 7: Performance Chart And Inlet Condition
Pump Service Manual XD5-100-A1 5.4 Performance Chart and Inlet Condition Figure 2 - XD5-100 Performance Chart and Inlet Condition Curve Phone: (402) 727-9700 Issue Date: 1/4/2021 Website: www.Oilgear.com 910003 905 S. Downing Street, Fremont, NE 68025 Page 7 of 31... -
Page 8: Control Options
Pump Service Manual XD5-100-A1 6 Control Options XD5’s control mechanism consists of a main control piston mounted in the pump housing, and a module called the Control Block, mounted to the Valve Plate. This section discusses options and adjustments related to the Control Block. -
Page 9: Pressure Compensator Only, P-1Nn
Pump Service Manual XD5-100-A1 6.1.1 Pressure Compensator Only, P-1NN In PC-Only configuration, the compensator acts as a simple limit to the outlet pressure. 6.1.1.1 Function The system designer chooses a value of P and sets that value comp using the PC Adjuster, shown in Figure 5. -
Page 10: Pressure Compensator And Load Sense, P-1Nn/F Or P-1Nn/B
Pump Service Manual XD5-100-A1 6.1.2 Pressure Compensator and Load Sense, P-1NN/F or P-1NN/B The Pressure Comp/Load Sense Control allows the system designer to control both the flow and pressure at the outlet to the pump. 6.1.2.1 Function The system designer provides 2 components for a load sense circuit: •... - Page 11 Pump Service Manual XD5-100-A1 6.1.2.3 Response Time The load sense control is tested per SAE J745 @ 1,800 RPM and P = 325 psi. Response Time: 70 ms Recovery Time: 80 ms 6.1.2.4 Bleed Down Orifice Option, P-1NN/B Option An optional bleed orifice can be installed to increase load sense stability. The bleed orifice is installed in OP9, which is...
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Page 12: Remote Pressure Compensator, P-Rnn
Pump Service Manual XD5-100-A1 6.1.3 Remote Pressure Compensator, P-RNN This control option functions the same as the Pressure Comp. Only option discussed in Section 6.1.1, except that the compensator signal comes from a remote system component, supplied by the system designer. - Page 13 Pump Service Manual XD5-100-A1 6.1.3.5 Circuit Diagram • OP 16 has a Ø 0.031 in ORIFICE. • OP 9 is PLUGGED. • OP 6 is PLUGGED. • The customer-supplied Remote Compensator circuit is plumbed into the LS/RP Port. • The Remote Compensator requires a flowrate of approximately 0.25 GPM.
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Page 14: Remote Pressure Compensator And Load Sense, P-1Nn/F
Pump Service Manual XD5-100-A1 6.1.4 Remote Pressure Compensator and Load Sense, P-1NN/F This control option functions the same as the Pressure Comp. with Load Sense option discussed in Section 6.1.2, except that the compensator signal is supplied by a remote system component, supplied by the system designer. -
Page 15: Reconfiguring The Pressure Comp./Load Sense Control
Pump Service Manual XD5-100-A1 6.1.4.4 Circuit Diagram • OP 16 PLUGGED • OP 9 PLUGGED • OP 6 PLUGGED • The customer-supplied Remote Compensator/Load Sense circuit is plumbed into the LS/RP Port, with the Load Sense Signal. The circuit requires a Ø 0.031 in. -
Page 16: Maximum Volume Stop
Pump Service Manual XD5-100-A1 6.2 Maximum Volume Stop The Maximum Volume Stop (MVS) is an optional accessory to XD5. The MVS limits the maximum displacement of the pump by limiting the maximum stroke from the Control Piston. 6.2.1 How to Adjust... -
Page 17: Installation And Dimensions
Please refer to Oilgear document 90014 for guidance on using the Purge Port to remove air from the case. Please note the location of the Purge Port in Section 7.2. -
Page 18: Mounting Flange, Lifting Hook, And Rotation Designation
Pump Service Manual XD5-100-A1 7.4 Mounting Flange, Lifting Hook, and Rotation Designation 7.5 Driveshafts 7.6 Case Drain Locations Phone: (402) 727-9700 Issue Date: 1/4/2021 Website: www.Oilgear.com 910003 905 S. Downing Street, Fremont, NE 68025 Page 18 of 31... -
Page 19: Clearance Dimensions
Pump Service Manual XD5-100-A1 7.7 Clearance Dimensions 7.8 Center of Gravity and Dry Weight Rotational Phone: (402) 727-9700 Issue Date: 1/4/2021 Website: www.Oilgear.com 910003 905 S. Downing Street, Fremont, NE 68025 Page 19 of 31... -
Page 20: Valve Plate Views
Pump Service Manual XD5-100-A1 7.9 Valve Plate Views Phone: (402) 727-9700 Issue Date: 1/4/2021 Website: www.Oilgear.com 910003 905 S. Downing Street, Fremont, NE 68025 Page 20 of 31... -
Page 21: Tandem Mount Adapters
Pump Service Manual XD5-100-A1 7.10 Tandem Mount Adapters Phone: (402) 727-9700 Issue Date: 1/4/2021 Website: www.Oilgear.com 910003 905 S. Downing Street, Fremont, NE 68025 Page 21 of 31... -
Page 22: Troubleshooting
Pump Service Manual XD5-100-A1 8 Troubleshooting Problem Causes Remedy Unresponsive The Saddle Bearings are worn or damaged Refer to referenced control instruction material. or Sluggish Inspect bearings, replace if necessary. Control Insufficient The delivery limited by a faulty control. Refer to referenced control instruction material. -
Page 23: System Requirements And Installation
The Oilgear Company. Standard low starting torque motors are suitable for most applications. DO NOT start or stop unit under load unless system is approved by Oilgear. It may be necessary to provide delivery bypass in some circuits. - Page 24 XD5-100-A1 Filtration Keep the fluid clean at all times to ensure long life from your hydraulic system. Refer to the referenced Oilgear Filtration Recommendations bulletin 90007. Oilgear recommends use of a filter in the pressure or return line. Replace filter element(s) when the filter condition indicator reaches change area at normal fluid temperature.
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Page 25: Replacement Parts
Pump Service Manual XD5-100-A1 10 Replacement Parts 10.1 Pump and Control Seals Kit AS568 O-Ring Item No. Description Number Quantity Shaft Seal O-Ring, Saddle -243 Hydrobearing Plug O-Ring -902 O-Ring for #4 Hollow Hex Plug -904 O-Ring for #12 Hollow Hex Plug... -
Page 26: Maximum Volume Stop Kit
Pump Service Manual XD5-100-A1 10.2 Maximum Volume Stop Kit AS568 O-Ring Item No. Description Number Quantity MVS Bonnet MVS Stem Jam Nut Rolled Pin O-Ring, Bonnet -912 O-Ring, Stem -014 Back-Up Ring, Stem -014 Please note the material – Viton, Buna, or EPR – when ordering kits. -
Page 27: Exploded Drawings
Pump Service Manual XD5-100-A1 10.4 Exploded Drawings Phone: (402) 727-9700 Issue Date: 1/4/2021 Website: www.Oilgear.com 910003 905 S. Downing Street, Fremont, NE 68025 Page 27 of 31... - Page 28 Pump Service Manual XD5-100-A1 Phone: (402) 727-9700 Issue Date: 1/4/2021 Website: www.Oilgear.com 910003 905 S. Downing Street, Fremont, NE 68025 Page 28 of 31...
- Page 29 Pump Service Manual XD5-100-A1 Phone: (402) 727-9700 Issue Date: 1/4/2021 Website: www.Oilgear.com 910003 905 S. Downing Street, Fremont, NE 68025 Page 29 of 31...
- Page 30 Pump Service Manual XD5-100-A1 Phone: (402) 727-9700 Issue Date: 1/4/2021 Website: www.Oilgear.com 910003 905 S. Downing Street, Fremont, NE 68025 Page 30 of 31...
- Page 31 Pump Service Manual XD5-100-A1 Phone: (402) 727-9700 Issue Date: 1/4/2021 Website: www.Oilgear.com 910003 905 S. Downing Street, Fremont, NE 68025 Page 31 of 31...