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HPU-20 Hydraulic Power Unit

ii

Part No. 14-MAN-35, Rev. 0-0616

E.H. Wachs

Содержание HPU-20

Страница 1: ...anual 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 Revision...

Страница 2: ......

Страница 3: ...9 Safety Labels 11 Chapter 3 Using the HPU 20 13 Lifting and Moving the HPU 13 Set Up Instructions 14 Fill the Hydraulic Reservoir 14 Connect Power 15 Connect Hydraulic Hoses 16 Operating Instructions...

Страница 4: ...HPU 20 Hydraulic Power Unit ii Part No 14 MAN 35 Rev 0 0616 E H Wachs...

Страница 5: ...HPU 20 hydraulic power unit includes the following standard features 20 HP electric motor 380 460 V 50 60 Hz Line reactor to suppress noise Over Temp Low Oil warning light Pendant with controls for po...

Страница 6: ...5 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 R...

Страница 7: ...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...

Страница 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...

Страница 9: ...ions with base 34 5 l x 52 5 h x 26 w 88 cm x 133 cm x 66 cm Weight 850 lb 386 kg including oil and mobile base Hydraulic Oil Capacity 30 gallons 114 liters Hydraulic Relief Pressure 1800 psi 124 bar...

Страница 10: ...HPU 20 Hydraulic Power Unit 6 Part No 14 MAN 35 Rev 0 0616 E H Wachs...

Страница 11: ...s a personal injury hazard READ THE OPERATING MANUAL Make sure you understand all setup and operating instructions before you begin INSPECT MACHINE AND ACCESSORIES Before starting the machine look for...

Страница 12: ...area Only people directly involved with the work being performed should have access to the area Safety Symbols This icon is displayed with any safety alert that indicates a personal injury hazard WARN...

Страница 13: ...he operation of other tools and equipment in the area reflective surfaces process noises and resonant struc tures can increase the noise level in the area For additional information on hearing protect...

Страница 14: ...nit 4 Before starting the unit perform all equipment checks described at the beginning of the operating instruc tions 5 If there are tools or machinery being operated by the HPU that may move when hyd...

Страница 15: ...Avoid bodily contact with hydraulic fluids Some hydraulic fluids may irritate or injure the eyes and skin Check with your fluid suppliers to obtain this information 11 Use only E H Wachs parts and ma...

Страница 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...

Страница 17: ...ase 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 on top of the HPU 20 frame one at each corn...

Страница 18: ...ithout oil Operating a pump without oil even for a short time will result in damage Fill the hydraulic reservoir with hydraulic oil The HPU 20 holds approximately 30 gallons 114 l Make sure you fill t...

Страница 19: ...rature 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 the connector on the side...

Страница 20: ...ect 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 with this unit are rated for 3000 psi 186 bar or higher pressure Co...

Страница 21: ...rvoir is filled to the required level with hydraulic oil Make sure the cabinet door is secured with the panel lock fasteners Make sure the power cable is securely connected to the electrical cabinet M...

Страница 22: ...ob at the same position this will resume the same speed when you restart the motor 6 Operating the HPU without a hydraulic tool connected will pump oil over the relief valve creating heat If the unit...

Страница 23: ...and that lines and hoses are not damaged Fluid escaping from a very small hole can be almost invisi ble Use a piece of cardboard or wood rather than hands to search for suspected leaks If injured by...

Страница 24: ...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 Figur...

Страница 25: ...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 TROUBLESHOOTING Hydraulic Refer to the chart below for hydraulic troubleshoo...

Страница 26: ...lable electrical staff Refer to the following notes and chart for electrical system troubleshooting Make sure there are 3 good legs of power within the specified power range Make sure all fuses and ci...

Страница 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...

Страница 28: ......

Страница 29: ...to the drawings and parts lists on the following pages Please provide the part description and part number for all parts you are ordering REPAIR INFORMATION Please call us for an authorization number...

Страница 30: ...e to complete it WARRANTY INFORMATION Enclosed with the manual is a warranty card Please fill out the registration card and return to E H Wachs Retain the owner s registration record and warranty card...

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