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Wachs HPU-20 User Manual

Manual is about: Hydraulic Power Unit

Summary of HPU-20

  • Page 1

    Hpu-20 hydraulic power unit user’s manual copyright © 2016 e.H. Wachs. All rights reserved. This manual may not be reproduced in whole or in part without the written consent of e.H. Wachs. E.H. Wachs 600 knightsbridge parkway lincolnshire, il 60069 www.Ehwachs.Com e.H. Wachs part no. 14-man-35 revis...

  • Page 3: Table of Contents

    Table of contents e.H. Wachs part no. 14-man-35, rev. 0-0616 i table of contents chapter 1: about the hpu-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 4

    Hpu-20 hydraulic power unit ii part no. 14-man-35, rev. 0-0616 e.H. Wachs.

  • Page 5: Chapter 1

    E.H. Wachs part no. 14-man-35, rev. 0-0616 1 chapter 1 about the hpu-20 the wachs hpu-20 hydraulic power unit provides 18 gpm hydraulic flow at a maximum pressure of 1800 psi (57 l/ min at 124 bar). The unit is powered by a 20 hp electric motor. Before operating the unit, read and understand the ins...

  • Page 6

    Hpu-20 hydraulic power unit 2 part no. 14-man-35, rev. 0-0616 e.H. Wachs figure 1-1. The photo shows the front of the hpu-20. Main power/ panel disconnect panel lock fasteners (4) over temp/ low oil warning light reservoir oil temperature and level gauge reservoir oil drain plug mobile base (removab...

  • Page 7

    E.H. Wachs part no. 14-man-35, rev. 0-0616 3 figure 1-2. The photo shows operating features of the hpu-20. Hydraulic oil filter hydraulic oil cooler variable frequency drive operating pendant electrical panel hydraulic valve oil fill/ breather.

  • Page 8

    Hpu-20 hydraulic power unit 4 part no. 14-man-35, rev. 0-0616 e.H. Wachs power input pressure gauge hydraulic valve hose fittings hydraulic manifold.

  • Page 9

    E.H. Wachs part no. 14-man-35, rev. 0-0616 5 figure 1-3. The photo shows operating features of the hpu-20. Figure 1-4. Figure 1-5. The drawing identifies the hydraulic fit- tings on the hpu-20. S pecifications • flow: 4-18 gpm @ 1800 psi (15-68 l/min @ 124 bar) • pressure: factory set at 1800 psi (1...

  • Page 10

    Hpu-20 hydraulic power unit 6 part no. 14-man-35, rev. 0-0616 e.H. Wachs.

  • Page 11: Chapter 2

    Chapter 2, safety e.H. Wachs part no. 14-man-35, rev. 0-0616 7 chapter 2 safety e.H. Wachs takes great pride in designing and manufactur- ing safe, high-quality products. We make user safety a top priority in the design of all our products. Read this chapter carefully before operating the hydraulic ...

  • Page 12

    Hpu-20 hydraulic power unit 8 part no. 14-man-35, rev. 0-0616 e.H. Wachs always turn machine off before doing any adjustments or service. • secure loose clothing and jewelry. Secure or remove loose-fitting clothing and jewelry, and securely bind long hair, to prevent them from getting caught in movi...

  • Page 13

    Chapter 2, safety: operator safety e.H. Wachs part no. 14-man-35, rev. 0-0616 9 important this alert indicates a situation that, if not avoided, may result in damage to the equipment. Protective equipment requirements for additional information on eye and face protection, refer to federal osha regul...

  • Page 14

    Hpu-20 hydraulic power unit 10 part no. 14-man-35, rev. 0-0616 e.H. Wachs precautions should be included in the comprehensive safety program for the particular machinery, equipment, plant or process and overseen by personnel capable of analyzing any hazards associated with operating and maintaining ...

  • Page 15: 10.

    Chapter 2, safety: safety labels e.H. Wachs part no. 14-man-35, rev. 0-0616 11 warning the injection of hydraulic fluid under the skin can cause serious injury and even result in death. If an injection injury occurs, seek medical treatment immedi- ately. 8. Do not inspect hoses and fittings for leak...

  • Page 16

    Hpu-20 hydraulic power unit 12 part no. 14-man-35, rev. 0-0616 e.H. Wachs figure 2-1. Labels on the front panel warn of electri- cal hazards..

  • Page 17: Chapter 3

    E.H. Wachs part no. 14-man-35, rev. 0-0616 13 chapter 3 using the hpu-20 l ifting and m oving the hpu the hpu-20 is supplied with a mobile base on caster wheels. The base can be removed from the unit. The bottom of the hpu-20 frame has channels for lifting with a fork truck. There are 5 lift points ...

  • Page 18

    Hpu-20 hydraulic power unit 14 part no. 14-man-35, rev. 0-0616 e.H. Wachs s et -u p i nstructions the hpu-20 power unit is completely assembled before delivery. For safe shipping, it is delivered without hydraulic fluid. Fill the hydraulic reservoir note: it is extremely import- ant that the pump is...

  • Page 19

    E.H. Wachs part no. 14-man-35, rev. 0-0616 15 figure 3-3. Fill the reservoir to the level indicated on the oil level/temperature gauge. Wipe up any spilled oil and replace the cap tightly. Do not operate the power unit without the cap securely in place. Connect power connect power to the hpu-20 at t...

  • Page 20

    Hpu-20 hydraulic power unit 16 part no. 14-man-35, rev. 0-0616 e.H. Wachs figure 3-4. Attach power to the connector on the electrical panel of the hpu-20. Connect hydraulic hoses note: the power unit is fac- tory-set to operate at 1800 psi (124 bar). It is extremely important that the hoses used wit...

  • Page 21

    E.H. Wachs part no. 14-man-35, rev. 0-0616 17 note: never connect or disconnect quick couplers when the hpu is on. Never connect or disconnect quick couplers when the circuit is under pressure. See the pressure gauge. O perating i nstructions before starting the power unit, perform the following che...

  • Page 22

    Hpu-20 hydraulic power unit 18 part no. 14-man-35, rev. 0-0616 e.H. Wachs figure 3-7. Operate the hpu using the handheld con- trol pendant. 3. To operate the tool, set the operating direction knob to the fwd position. 4. Turn the speed knob clockwise to start hydraulic flow. Adjust the knob for the ...

  • Page 23

    E.H. Wachs part no. 14-man-35, rev. 0-0616 19 operating notes make sure that the hydraulic circuit is properly plumbed and appropriate for the available amount of oil from the unit. A circuit with long hoses or a high-capacity tool could lower the reservoir level considerably. The power unit must be...

  • Page 24

    Hpu-20 hydraulic power unit 20 part no. 14-man-35, rev. 0-0616 e.H. Wachs the hydraulic system includes a return line filter. Replace the filter every time you replace the hydraulic fluid. Do not try to get extended life out of a clogged filter. Refer to the following chart for hydraulic oil service...

  • Page 25

    E.H. Wachs part no. 14-man-35, rev. 0-0616 21 figure 3-10. Replace the hydraulic oil filter every time you replace the hydraulic oil. T roubleshooting hydraulic refer to the chart below for hydraulic troubleshooting..

  • Page 26

    Hpu-20 hydraulic power unit 22 part no. 14-man-35, rev. 0-0616 e.H. Wachs electrical electrical system troubleshooting and repair should be per- formed by trained and certified electrical staff. Electrical hazards can result in severe injury or death. Always consult e.H. Wachs if there are problems ...

  • Page 27

    E.H. Wachs part no. 14-man-35, rev. 0-0616 23 schematic refer to the system schematic on the following page for troubleshooting and repair..

  • Page 29: Chapter 4

    Chapter 4, ordering information e.H. Wachs part no. 14-man-35, rev. 0-0616 25 chapter 4 ordering information to place an order, request service, or get more detailed information on any e.H. Wachs products, call us at one of the following numbers: u.S. 800-323-8185 international: 847-537-8800 you can...

  • Page 30

    Hpu-20 hydraulic power unit 26 part no. 14-man-35, rev. 0-0616 e.H. Wachs before we perform any repair, we will estimate the work and inform you of the cost and the time to complete it. W arranty i nformation enclosed with the manual is a warranty card. Please fill out the registration card and retu...