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Table of Contents
Related Manuals for Enerpac ZE2 Series
Summary of Contents for Enerpac ZE2 Series
- Page 1 Operation and Maintenance Manual Electric Hydraulic Pumps ZE2-Series and ZW2-Series Document Number: L4555 Document Revision: A Issue Date: July, 2021 Language: English Manual Valve Models Electric Valve Models To reduce the risk of injury, user must read and understand this document before use.
- Page 2 Enerpac for quality tools, services and solutions. For additional information, visit www.enerpac.com. WARRANTY Refer to the Enerpac Global Warranty document for terms and conditions of the product warranty. Such warranty information can be found at www.enerpac.com. NAMEPLATE Refer to the pump nameplate for the product model number, serial number and other applicable information.
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Page 3: Table Of Contents
CONTENTS PAGE SAFETY ..............................4 COMPLIANCE ............................7 SPECIFICATIONS AND PRODUCT DATA ....................8 FEATURES AND COMPONENTS ......................12 DESCRIPTION ............................13 INSTALLATION AND SETUP........................13 OPERATION ............................. 14 RELIEF VALVE PRESSURE ADJUSTMENT ................... 18 MAINTENANCE ............................19 10.0 TROUBLESHOOTING ..........................22 L4555_a... -
Page 4: Safety
Non- the pump. If training is needed, contact your local Enerpac Enerpac parts may break or cause the pump to distributor or authorized service center for information malfunction. - Page 5 • Never use a double-acting cylinder or tool with • Use mechanical devices and not fingers to hold uncoupled couplers. If the cylinder or tool becomes a part in place until the clamping hydraulics are extremely overloaded, components fail activated. Do not remove or disable the pressure catastrophically.
- Page 6 A qualified electrician should be or damaged in any manner. Return the pump to consulted to help specify and select the proper size the nearest Enerpac authorized service center for extension cord. The marked electrical rating of the examination, repair, or electrical or mechanical extension cord should be at least as great as the adjustment.
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Page 7: Compliance
• The remote pendant IP rating (if equipped) is IP54. • Outdoor use is permitted. Enerpac declares that the Enerpac ZE2 and ZW2-Series • Limited exposure to dust and moisture is permitted electric hydraulic pumps have been tested and conform in accordance with the stated IP rating. -
Page 8: Specifications And Product Data
3.0 SPECIFICATIONS AND PRODUCT DATA 3.1 Model and Feature Overview Max Hyd. Pump Weight Pump Control Valve Working For Use With: Additional Features Model No. Description Pressure VE32D Single-acting • One-button remote pendant. 10,000 psi ZE2108D_ 3-way, 2-position hydraulic cylinders •... - Page 9 3.2 Hydraulic Oil Requirements Reservoir Usable Oil Capacity Pump Series Oil Type ZE2 and ZW2 Enerpac HF 3.3 Pressure and Flow Maximum Flow Rate at Maximum Speed Relief Valve Hydraulic Adjustment Pump Pump At 100 psi At 700 psi At 5000 psi...
- Page 10 3.6 Performance Charts ZE2-S ZE2-S EriES impErial EriES mEtric 400 500 600 700 Pressure (bar) Pressure (psi) Zw2-S Zw2-S EriES impErial EriES mEtric 1000 2000 3000 4000 5,000 250 300 350 Pressure (bar) Pressure (psi) L4555_a...
- Page 11 3.7 External Dimensions Dimension Dimension Item Item inch inch 16.3 20.4 18.8 3.75 19.3 9.00 Item 11.0 20.0 16.1 Item Thread Description 15.5 M8 x 1.25 thread size 0.25 inch [6.0 mm] thread depth 16.9 Note: External dimensions are typical, but may vary slightly from pump to pump. L4555_a...
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Page 12: Features And Components
4.0 FEATURES AND COMPONENTS VM22 VM32 VM33 VM43 VE43D VEW43 Key: 9. Hyd. Pressure Gauge 1. Fan Vents 10. Oil Filter 2. Electrical Enclosure VE33 VE43 11. Carrying Handle 3. Rocker Power Switch 4. Electrical Enclosure 12. Electric Motor 5. Rotary Power Switch 13. -
Page 13: Description
6.3 Oil Level Always check the hydraulic reservoir oil level before The ZE2-Series pump is part of the proven Enerpac ZE- starting the pump. The reservoir is full when the oil level Series product line and utilizes many of the same design is about halfway up the sight glass window, as shown in elements as the larger ZE-Series pumps. -
Page 14: Operation
6.5 Hydraulic Connections The ZE2 and ZW2-Series pumps are designed NOTICE for intermittent duty only. Allow pump to cool periodically Apply 1-1⁄2 wraps of PTFE sealing tape or other suitable after extended use at high pressure. sealant to the hydraulic hose fitting, leaving the first complete thread free of tape or sealant as shown in 7.1 Max. - Page 15 7.3 Motor Power Switch When the pump is first connected to electrical power, or if the electrical power has been interrupted and Many pump models are equipped with a pump-mounted reconnected, it will first be necessary to press the reset motor power switch.
- Page 16 7.4.2 VM33 and VM43 Control Valves 7.5.2 ZE2 and ZW2-Series dump pumps equipped with VE32D dump valve See Figure 8 for lever positions. See Figure 9. 1. Advance • Press and hold pendant on/advance button to start 2. Retract the motor and advance the cylinder or tool. 3.
- Page 17 Pressure Switch Pressure Advance Button (UP) Gauge DOWN Retract Button (DOWN) Figure 10: Two Button Pendant Figure 11: Pressure Switch and Gauge 7.6 PRESSURE SWITCH OPTION Before continuing, be sure that the pump pressure relief valve setting is HIGHER than the desired pressure switch setting.
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Page 18: Relief Valve Pressure Adjustment
Adjustment procedure details will vary, depending on the trips repeatedly, stop using the pump and take it to an operational characteristics of the pump and whether the Enerpac Authorized Service Center for inspection and pump is equipped with an electric or manual valve. repair. -
Page 19: Maintenance
Frequently check oil condition for contamination by comparing the color of the oil in the pump reservoir to new unused Enerpac oil. Enerpac HF oil is a crisp blue color. As a general rule, completely drain and clean the reservoir... - Page 20 Key: 1. Capscrews 2. Copper Gaskets 3. Pump & Coverplate Assy. 4. Oil Intake Tube 5. Oil Intake Filter 6. Reservoir Gasket 7. Hydraulic Reservoir 8. Oil Drain Plug Figure 17: Reservoir Inspection and Oil Change L4555_a...
- Page 21 Refer to diagram in Figure 3. 11. Fill the reservoir with new Enerpac hydraulic oil. The reservoir is full when oil level is as shown in Figure 2. 12. Make hydraulic connections to valve ports “A” and “B”.
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Page 22: Troubleshooting
To determine the cause of the problem, the complete system must be included in any diagnostic procedure. The following information is intended to be used only as an aid in determining if a problem exists. For repair service, contact your Enerpac Authorized Service Center. Troubleshooting Guide Problem... - Page 23 Troubleshooting Guide (continued) Problem Possible Cause Action 4. Pump fails to build d. Internal leak in pump. See authorized service center. pressure or less than full e. Internal leak in valve. See authorized service center. pressure. (continued) f. Internal leak in system See authorized service center.
- Page 24 Enerpac Tool Group Corp N86 W12500 Westbrook Crossing Menomonee Falls, WI 53051 USA © 2021 Enerpac Tool Group, All Rights Reserved. www.enerpac.com...
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