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Summary of Contents for Greenlee HPB25
- Page 1 INSTRUCTION MANUAL HPB25 Hydraulic Paving Breaker Read and understand all of the instructions and safety information in this manual before operating or servicing this tool. Register this product at www.greenlee.com 99944642 REV 9 © 2019 Greenlee Tools, Inc. 10/19...
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Page 2: Table Of Contents
HPB25 Hydraulic Paving Breaker Table of Contents Description Description ..............2 The HPB25 Paving Breaker is intended to break up asphalt, concrete, and hard clay. Safety ................2 Purpose of this Manual ..........2 Safety Other Publications ............2 Important Safety Information ........3–4 Safety is essential in the use and maintenance of Identification .............. -
Page 3: Important Safety Information
HPB25 Hydraulic Paving Breaker IMPORTANT SAFETY INFORMATION SAFETY ALERT Do not exceed the following hydraulic power source maximums: SYMBOL • Hydraulic flow: 25 l/min (7 gpm) • Pressure relief: 207 bar (3000 psi) This symbol is used to call your attention to hazards •... - Page 4 HPB25 Hydraulic Paving Breaker IMPORTANT SAFETY INFORMATION • Do not operate the breaker unless the bit is prop- Do not reverse hydraulic flow. Operation with erly installed and placed against the work surface. hydraulic flow reversed can cause tool malfunction.
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Page 5: Identification
HPB25 Hydraulic Paving Breaker Identification 1. Handle 6. Valve Body 2. Control Lever 7. Cylinder 3. Accumulator 8. Front End 4. Pressure Port 9. Latch 5. Return Port 10. Side Handle Greenlee Tools, Inc. 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070... -
Page 6: Specifications
HPB25 Hydraulic Paving Breaker Specifications HPB25 Paving Breaker Hydraulic Schematic Type of Hydraulic System ......Open-center Hydraulic Pressure Port ........3/8" NPTF FILTER (10 MICRON) Hydraulic Return Port ........3/8" NPTF Blows per Minute @ 25 l/min (7 gpm) ....... 1800... -
Page 7: Hoses And Fittings
2. Stop the hydraulic power source. Replacement 3. Connect the return hose to the return port on the Refer to a Greenlee catalog or publication 99910322, hydraulic power source, then to the return port on Low Pressure Quick Couplers, Adapters, and Hoses. -
Page 8: Setup
HPB25 Hydraulic Paving Breaker Setup Operation 1. Start the hydraulic power source. Note: Allow the hydraulic power source to run for a few minutes to warm the hydraulic fluid. Inspect accessories before use. Discard accessories 2. Position the bit against the surface (material to be that have cracks, chips, or gouges. -
Page 9: Maintenance
6. Remove the cap from the hose connection port If required by your organization, have the tool inspected and attach the supply hose from the nitrogen by a Greenlee Authorized Service Center. gas cylinder whose available pressure is at least 45 kg/cm (640 psi). -
Page 10: Troubleshooting
HPB25 Hydraulic Paving Breaker Troubleshooting If the problem is in the tool, see the troubleshoot- Before troubleshooting, determine whether the problem ing table in this manual. If the problem is in the power is in the tool, the hoses, or the power source. Substitute... -
Page 11: Illustration
HPB25 Hydraulic Paving Breaker Illustration Greenlee Tools, Inc. 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070... -
Page 12: Parts List
Bolt, 8 mm x 35 mm ......2 Washer, handle ........3 4455 Boeing Drive • Rockford, IL 61109-2988 • USA • 815-397-7070 Bolt, handle ...........1 An ISO 9001 Company • ©2019 Greenlee Tools, Inc. Pin, bracket ...........1 Grip, handle ..........1 Canada...
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