Textron Greenlee HRD44A Instruction Manual

Hydraulic rotary hammer

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INSTRUCTION MANUAL

HRD44A

Hydraulic Rotary Hammer

Read and understand all of the instructions and

safety information in this manual before operating

or servicing this tool.

52046212 REV 2

9/09

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Page 1 INSTRUCTION MANUAL HRD44A Hydraulic Rotary Hammer 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 52046212 REV 2 © 2009 Greenlee Textron Inc. 9/09...
Page 2: Table Of Contents
SAE Standard J1273 (Hose and Hose Assemblies): Publication 99930323 All specifications are nominal and may change as design improvements occur. Greenlee Textron Inc. shall not be liable for damages resulting from misapplication or misuse of its products. KEEP THIS MANUAL Greenlee / A Textron Company 4455 Boeing Dr.
Page 3: Important Safety Information
Contact could cause electrocution or an explosion. Failure to observe this warning will result in severe injury or death. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 4 Failure to observe this warning could result in severe Failure to observe this precaution may result in injury. injury or death. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 5 In case of accidental skin contact with hydraulic oil, wash the affected area immediately to remove the oil. Failure to observe these precautions may result in injury. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 6: Identification
8. Front Head 3. Valve Body 9. Drill Stay 4. Control Lever 10. Control Knob 5. Cylinder 11. Return Port 6. Air Cleaner 12. Pressure Port Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 7: Specifications
207 bar (3000 psi) at your tool’s maximum flow. Locate the pressure relief valve in the supply circuit to limit excessive hydraulic pressure to the tool. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 8: Hoses And Fittings
4. Disconnect the return hose from the tool, and then from the hydraulic power source. 5. Install dust caps over the ports to prevent contamination. Typical Setup Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 9: Setup
5. Connect the hydraulic hoses according to the components. instructions under “Hose Connections.” Emergency stop procedure: 1. Release the control lever. 2. Shut off the hydraulic power source. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 10: Maintenance
12. Remove the charging valve from the accumulator Pressure and reinstall the accumulator cap. Gauge Handle Hose Charging Valve Gas Cylinder Accumulator Relief Valve Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 11: Troubleshooting
Adjust nitrogen pressure in accumulator to blow energy is weak. 40 kg/cm (569 psi). Broken accumulator diaphragm. Replace diaphragm and recharge to 40 kg/cm (569 psi). Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 12: Illustrations
HRD44A Hydraulic Rotary Hammer Illustration Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 13 HRD44A Hydraulic Rotary Hammer Illustration (cont’d) Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 14: Parts List
(includes items 20–29, 92, 102–105) 52046236 Roller, 6x12 ............2 52046312 Latch kit (includes items 102–105) 50459830 Plug ..............7 50460897 Plug ..............5 O-ring .............. 1 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 15: Accessories
HRD44A Hydraulic Rotary Hammer Accessories UPC No. 78-3310- Part No. Description 46251 50462512 Accumulator charging valve Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
Page 16 800-435-0786 Fax: 800-451-2632 815-397-7070 Fax: 815-397-1865 Canada 800-435-0786 Fax: 800-524-2853 International +1-815-397-7070 Fax: +1-815-397-9247 4455 Boeing Drive • Rockford, IL 61109-2988 • USA • 815-397-7070 • An ISO 9001 Company Greenlee Textron Inc. is a subsidiary of Textron Inc. www.greenlee.com...