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Greenlee fairmont H8508 Instruction Manual

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INSTRUCTION MANUAL
H8508
Hydraulic Impact Wrench
Models 48330 and 48329
Serial Code FPB
Read and understand all of the instructions and
safety information in this manual before operating
or servicing this tool.
999 1705.0 REV 8
© 2005 Greenlee Textron Inc.
3/05

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Summary of Contents for Greenlee fairmont H8508

  • Page 1 H8508 Hydraulic Impact Wrench Models 48330 and 48329 Serial Code FPB Read and understand all of the instructions and safety information in this manual before operating or servicing this tool. 999 1705.0 REV 8 © 2005 Greenlee Textron Inc. 3/05...

  • Page 2: Table Of Contents

    SAE Standard J1273 (Hose and Hose Assemblies): Publication 999 3032.3 All specifications are nominal and may change as design improve- ments 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

    • Inspect drill bits and sockets before use. Discard damaged bits and sockets. Damaged accessories can break and cause severe injury. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 4: Important Safety Information

    Note: Keep all decals clean and legible, and replace Failure to observe these precautions may result in when necessary. injury. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 5: Identification

    7. Quick-Change Chuck 3. Reversing Spool 8. Adapter, 1/2" 4. Open-Center/Closed-Center 9. Pressure (supply) Port “P” Spool and Indicator 10. Tank (return) Port “T” 5. Trigger Spool Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 6: Specifications

    * 13.8 bar (200 psi) is the maximum agreed standard back pressure for the HTMA (Hydraulic Tool Manufac- turers Association). Fairmont tools will operate satis- factorily at this standard. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 7: 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. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 8: Operation

    Operation Impact Bits 1/2" Socket Drive Adapter and Sockets (See Figure 1) Fairmont recommends using Greenlee Impact Style Bits. 1. Inspect quick-change chuck (7). Remove any dirt or other contamination that may have accumulated in the chuck. 2. To insert 1/2" socket drive adapter, slide and hold Some impact bits with a long spiral or wide flute quick-change chuck (7) away from tool.
  • Page 9 Nearby personnel can be injured by flying or falling debris or by flying parts in the event of a tool malfunction. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 10: Operation

    6. When the tool is not in use, stop the power source to reduce the time required to warm the fluid to an reduce heat and wear on the tool components. efficient operating temperature. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 11: Maintenance

    However, if the fluid turns dark or becomes milky colored, it should be changed as soon as possible. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 12: Troubleshooting

    If the known, properly operating tool does not operate, the problem is in the power source. See your power source operator’s manual for troubleshooting. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 13 Check for dirt or gummy deposits. binding. Clean components. Check for worn or damaged components. Replace components. Dirt, contaminants, etc., in tool Disassemble tool and clean components. components. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 14 Tool components sticking or binding. Check for dirt or gummy deposits. Clean components. Check for worn or damaged components. Replace components. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 15 Worn or damaged O-rings or gaskets. Replace worn or damaged O-rings or gaskets. Tool components worn or damaged. Disassemble tool. Replace worn or damaged components. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 16: Troubleshooting

    Heavy duty cycle, heat caused Normal, mechanism may require bushing, wrench warm. grease to liquify. grease more often, see the Maintenance Schedule section of this manual. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 17: Disassembly

    Replace any parts which appear to be damaged. When disassembling tool for service it is recommended that O-rings, back-up rings and gaskets be replaced. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 18: Assembly

    10. Gasket (15). Always replace gaskets when motor cap or hammer case is removed from handle assembly. Install new gasket (15). Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 19 7. Secure motor cap (6) to handle (1) with cap screws (16). Torque cap screws (16) to 80 inch-pounds. Follow torque sequence shown in Figure 3. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 20: Models 48330/48329 (Effective Through Serial Number 299)

    (49) and using flats on cap (55) screw into handle (1), tighten securely. Note: Apply lubrication to threads. Figure 4 Spool shown in Closed-Center Position Models 48330/48329 (effective through serial number 299) Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 21: Illustrations And Parts Lists

    H8508 Hydraulic Impact Wrench Illustration Models 48330/48329 Remove Spool This (effective through serial number 299) Direction Install Spool This Direction Figure 5 Figure 6 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 22 H8508 Hydraulic Impact Wrench Illustration (cont’d) Models 48330/48329 (effective through serial number 299) Figure 7 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 23 Snap Ring ..................1 41491 F015261 O-Ring ....................1 48310 Washer ....................1 41648 F017595 Snap Ring ..................1 48311 Spring ....................1 48312 Washer ....................1 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 24 IMPACT MECHANISM 48344 Hammer Frame ................. 1 48345 Hammer .................... 2 48346 Hammer Pin ..................2 48397 Anvil—1/2" Sq. Drive ................. 1 48538 Seal Kit Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 25: Models 48330/48329 (Effective With Serial Number 300)

    H8508 Hydraulic Impact Wrench Illustration Models 48330/48329 (effective with serial number 300) Figure 8 Spool shown in Open-Center Position Figure 9 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 26 H8508 Hydraulic Impact Wrench Illustration (cont’d) Models 48330/48329 (effective with serial number 300) Figure 10 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 27 Spring ....................1 48312 Washer ....................1 48313 Link ....................1 48360 Trigger ....................1 48542 F015810 Spring Pin ..................3 48318 Thrust Bearing ................... 1 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 28 IMPACT MECHANISM 48344 Hammer Frame ................. 1 48345 Hammer .................... 2 48346 Hammer Pin ..................2 48397 Anvil—1/2" Sq. Drive ................. 1 48538 Seal Kit Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 29: Accessories

    1/2" Square Drive ................1 1/2" Square Socket x 5/8" Hex Socket Adapter (not shown) 41515 F020538 Adapter, 1/2 Square Socket x 5/8 Hex Socket........1 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 30 815-397-7070 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 Printed in USA...

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