Greenlee 881 Cam Track Instruction Manual
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Greenlee 881 Cam Track Instruction Manual

Greenlee 881 Cam Track Instruction Manual

Hydraulic benders and bending table
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INSTRUCTION MANUAL
881 and 881CT Cam Track
®
Hydraulic Benders
and 1813 Bending Table
Read and understand all of the instructions and
safety information in this manual before operating
or servicing this tool.
999 8071.1
© 2003 Greenlee Textron
IM 981 REV 16 6/03

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  • Page 1 881 and 881CT Cam Track ® Hydraulic Benders and 1813 Bending Table Read and understand all of the instructions and safety information in this manual before operating or servicing this tool. 999 8071.1 © 2003 Greenlee Textron IM 981 REV 16 6/03...

  • Page 2: Table Of Contents

    Important Safety Instructions ........3-4 conduit or pipe. Identification—Major Components, The bender is to be coupled to any Greenlee hydraulic 881 and 881CT Bender ..........5 pump capable of developing 10,000 psi with a usable oil Assembly and Operation Instructions ....... 6-21 volume of 6 quarts or more.

  • Page 3: Important Safety Instructions

    The message after the signal word provides information for preventing or avoiding the hazard. Use only Greenlee shoes and components when operating this bender. Other manufacturers’ shoes and components may fail during operation, Immediate hazards which, if not avoided, WILL propelling broken parts with great force.
  • Page 4 Inspect the bender, pump, and hose before each use. Replace damaged, worn, or missing parts with Wear eye protection when operating Greenlee replacement parts; a damaged or worn the bender. component may fail and strike nearby personnel. Failure to wear eye protection can result in serious eye injury from flying debris or hydraulic oil.

  • Page 5: Identification-Major Components

    CYLINDER BLOCK PIN UNIT (F) CONNECTING BAR UNIT (C) YOKE (B) ROLLER UNIT (D) SPRING CLIP (H) HITCH PIN CLIPS (E) SADDLE PIN UNIT (M) SHOE FOLLOW BAR SADDLE Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 6: Assembly And Operation Instructions

    DECALS FACE OUTWARD 5. Attach the yoke (B) to the ram with the spring clip (H). 3. Repeat Step 2 for the other connecting bar. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 7: 881 And 881Ct-Floor Operation

    (E). 9. Reinsert the hitch pin clip into the roller shaft. 7. Remove one hitch pin clip from the roller shaft. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 8 Assembly and Operation Instructions 881 and 881CT—Floor Operation (cont’d) Follow the instructions and safety information supplied with your hydraulic pump. The instructions provided here apply to Greenlee 960 (shown in the illustrations) and 980 (not shown) hydraulic pumps only. BENDING MARK 10.
  • Page 9 18. Release the hydraulic pressure. The ram will retract. 19. Remove the saddle pin. 16. 60° of bend. 20. The 90° bend is complete. 17. 90° of bend. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 10: Identification-Major Components

    SADDLE RAM POSITIONER (33) PIPE VISE UNIT (38) LEG SUPPORT UNIT (23) PIPE CLAMP (34) PUMP TABLE SUPPORT (26) BENDER MOUNTING UNIT (27) LEG (25) Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 11: 881 And 881Ct With 1813 Bending Table

    6. Position the bender mounting unit (27) as shown, and slide it, tabs first, onto the two 10-foot conduits. 3. Repeat Step 2 for the other connecting bar. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 12 Mount the pump supports (26) onto the clamps. Do not tighten the clamps. 8. Slide the pipe vise unit (38) onto the two 10-foot conduits, as shown. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 13 13. Remove the rubber feet/casters from the pump. Attach the pump bracket (64) to the pump with the pump bracket mounting hardware (40-43). See illustration. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 14 21. Attach the hydraulic fitting unit (29) to the ram, and connect the hose to the fitting unit. Set the cylinder and yoke unit on the follow bar. Rotate the pump control lever counterclockwise. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 15 (G). Secure the yoke pin with a hitch pin clip (E). 23. Insert one cylinder block pin (F) into the hole marked 3" CONDUIT as shown. 24 and 25. Swing the ram unit into position. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 16 29. Load the shoe into the bender with the saddle pin hole to the left, as shown. 27. Remove the yoke pin from the ram positioner. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 17 34. Insert the conduit to be bent. Rotate the pump control lever counterclockwise and advance the shoe until it nearly contacts the conduit. 32. Rotate the pump control lever clockwise to retract the ram. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 18 Bending Degree Indicator (35) to the conduit. Zero shoe back for the assembly of the saddle and pin. the indicator by rotating the degree wheel. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 19 41. Activate the hydraulic pump to begin the bend. 44. 45° of bend. 42. 15° of bend. 45. 60° of bend. 43. 30° of bend. 46. 75° of bend. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 20 48. Remove the 1805 Bending Degree Indicator. 51. Remove the saddle pin and saddle. 49. Rotate the pump control lever clockwise to retract 52. Release the vise chain. the shoe. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 21: Assembly And Operation Instructions

    881 and 881CT with 1813 Bending Table (cont’d) 53. Remove the conduit from the bender. 58. To change the follow bar, twist and remove. 54 and 55. The 90° bend is complete. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 22: Glossary Of Bending Terms With Illustrations

    14. stub—same as rise or pipe. 15. stub-up—same as rise 7. 90˚ bend—any bend that changes the direction of the conduit or pipe by 90 degrees Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 23: Laying Out One-Shot 90° Bends

    Minimum Distance from End of Conduit 2-1/2 3-1/2 IMC-RIGID Deduct 21-1/2 24-1/4 28-1/4 32-1/2 Minimum Stub Length 26-3/4 30-3/4 Minimum Distance from End of Conduit 2-1/2 2-1/2 2-1/2 2-1/2 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 24: Table 3—Ram Travel

    6-15/16 6-1/4 6-1/8 10-1/8 8-1/4 60° 8-1/2 8-7/16 7-3/4 7-3/4 See Table 4 See Table 4 90° 11-5/8 10-3/4 See Table 4 See Table 4 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 25: Laying Out Two-Shot 90° Bends For 3-1/2" And 4" Conduit (881 Only)

    NO. 1 NO. 2 THIS SHOE PROFILE MATCHES LONG (OVER 36") FOLLOW BAR WITH SIDE POCKETS THIS SHOE MATCHES PROFILE SHORT FOLLOW BAR WITH SMOOTH SIDES Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 26: Laying Out Bends

    5. The number shown at the intersection of row L1 and the appropriate H column is L1. Place the second bending mark L1 inches from the first bending mark. 6. Bend the conduit. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 27: Saddles

    6. In the same column, find the row labeled L2. Place the third bending mark L2 inches from the second bending mark. 7. Bend the conduit. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 28: U-Bends

    H column is L1. Place the 8. Bend the conduit. second bending mark L1 inches from the first mark. 8. Bend the conduit. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 29: Special Bending Information Chart

    MINIMUM H = 21.48 90.00 0.00 6.00 12.00 18.00 24.00 36.00 90.00 34.93 40.93 52.93 90.00 60.81 66.81 78.81 90.00 38.73 38.73 38.73 MINIMUM H = 38.73 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 30 60.00 50.65 54.11 57.57 61.04 67.97 MINIMUM H = 28.86 90.00 3.75 9.75 15.75 27.75 90.00 50.77 90.00 84.54 90.00 51.50 MINIMUM H = 51.5 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 31 MINIMUM H = 21.68 90.00 5.77 11.77 17.77 23.77 35.77 90.00 34.93 40.93 52.93 90.00 60.81 66.81 78.81 90.00 38.96 38.96 38.96 MINIMUM H = 38.96 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 32 60.00 50.90 54.36 57.82 61.29 68.22 MINIMUM H = 29.08 90.00 3.50 9.50 15.50 27.50 90.00 50.77 90.00 84.54 90.00 51.75 MINIMUM H = 51.75 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 33: Troubleshooting

    Follow bar groove worn or spread. Replace follow bar. Won’t bend EMT. Follow bar is in backwards. Remove follow bar and insert end marked START toward saddle. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 34: Troubleshooting

    Open the pump vent. Hose couplings not fully tightened. Tighten the hose couplings. Excessive voltage drop from long Use a shorter or heavier extension cord. extension cord. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 35: Identification-Major Components

    881 and 881CT Cam Track Hydraulic Benders Identification—Major Components ® 881 and 881CT Cam Track Hydraulic Bender 2-1/2" Bending Group 3" Bending Group 3-1/2" Bending Group 4" Bending Group Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 36: Parts List-881 And 881Ct

    Coupler, quick, 3/8 male ........2 502 6624.1 Saddle pin unit (includes the following item) ..1 905 0302.3 Clip, hitch pin, #8 ........... 1 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 37: Shoe Groups

    502 6585.7 3" Saddle strap ............1 905 1088.7 Screw, cap ............. 2 905 0028.8 Lock washer ............2 905 2646.5 Lock nut ..............2 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 38 502 6595.4 4" Saddle strap ............1 905 1088.7 Screw, cap ............. 2 905 0028.8 Lock washer ............2 905 2646.5 Lock nut ..............2 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 39: Shoe Groups

    Screw, cap, 5/16–18 x 1.25 socket head ....6 502 3363.7 Box, job ..............1 503 0239.6 Set, casters (two rigid, two swivel) ......1 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 40: Exploded View-Ram

    ® 881 and 881CT Cam Track Hydraulic Benders Exploded View—Ram 13 12 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 41: Parts List-Ram

    * Items 12 and 13 were used prior to April 1997; items 12A and 13A have been used since April 1997. Use 12A and 13A if possible. Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 42: Exploded View-1813 Bending Table

    ® 881 and 881CT Cam Track Hydraulic Benders Exploded View—1813 Bending Table (502 8901.2) Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

  • Page 43: Parts List-1813 Bending Table

    (for the 980 pump) ............. 4 905 1674.5 Washer, lock, .259 x .489 x .062 ........4 905 1593.5 Nut, hex, 1/4–20 steel (for the 960 SAPS pump) ....4 Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...
  • Page 44 Fax: +1 (815) 397-9247 4455 Boeing Drive, Rockford, IL 61109-2988 • USA • 815-397-7070 www.greenlee.com An ISO 9001 Company • Greenlee Textron is a subsidiary of Textron Inc. Printed in USA Greenlee / A Textron Company 4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070...

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