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Current Tools 281 Assembly, Operating, Safety And Parts Manual

Bending table for use with model 254 hydraulic conduit bender
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Current Tools
for use with Model #254 Hydraulic Conduit Bender
Assembly, Operating, Safety
This manual is free of charge. All personnel who assemble, operate or service
this equipment should have a copy of this manual and read and understand its
contents. To request a copy, call or write to the address below.
CURRENT TOOLS • P. O. BOX 17026 GREENVILLE, SC 29606
800.230.5421 or 864.721.4230 • FAX 864.721.4232
Model 281 Bending Table
™
and Parts Manual
Read and understand this material before assembling, operating
or servicing the 281 Bending Table and 254 Hydraulic Bender.
Failure to understand how to safely assemble and operate this
equpment may result in serious injury or death.
www.currenttools.com
3/2019

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Summary of Contents for Current Tools 281

  • Page 1 Parts Manual 3/2019 Read and understand this material before assembling, operating or servicing the 281 Bending Table and 254 Hydraulic Bender. Failure to understand how to safely assemble and operate this equpment may result in serious injury or death.
  • Page 2 Bender, read and understand the bender manufacturer’s operating and safety THIS SAFETY SYMBOL is used to call your attention to instructions instructions before attaching to or operating with the 281 Bending Table. that concern your personal safety. It means: ATTENTION! BE AWARE! Failure to do so may result in serious injury or death.
  • Page 3 IMPORTANT SAFETY INFORMATION DANGER NEVER operate the bender in an explosive atmosphere. DANGER DANGER NEVER operate the bender in wet or damp locations. DO NOT expose the bender to rain. WARNING DANGER WARNING ALWAYS disconnect the bender from the hydraulic pump before WARNING servicing and when not in use.

  • Page 4: Table Of Contents

    NOTE: 2 each 10' lengths of 2" rigid conduit used as the table supports are to be supplied by the user. ® ® * Greenlee and CamTrack are registered trademarks of Emerson Electric Co., which has no affiliation with Current Tools.

  • Page 5: Major Components - Bender

    MAJOR COMPONENTS – BENDER For complete shoe, follow bar and saddle listing, refer to Model #254 operating manual. All major components will fit Greenlee ® Model #881 CamTrack Bender* ® MAJOR COMPONENTS – PARTS LIST ITEM CATALOG DESCRIPTION QTY. 254-100 HYDRAULIC CYLINDER (INCLUDES ITEM #2) 254-102 CYLINDER MOUNTING BLOCK...

  • Page 6: Carriage With Vise

    ASSEMBLY INSTRUCTIONS TIGHTEN AFTER Insert two of the legs into the leg support INSERTING 2” RIGID CONDUIT as shown in Figure 1 and tighten the (2 BOLTS EACH SIDE) LEG SUPPORT bolts to hold the legs in place. Repeat for second leg support.
  • Page 7 ASSEMBLY INSTRUCTIONS — continued Insert the two 10' lengths of conduit into the remaining leg support assembly and tighten the four bolts against the conduit. See Figure 4. Place the bender mounting unit 15 inches away from the leg support you have just completed and tighten the 2 bolts on the bottom of the bender mounting unit against the two 10' lengths of rigid conduit to keep the bender mounting unit in place.
  • Page 8 SET-UP 281 BENDING TABLE – Ready to mount pump and bender MAJOR COMPONENTS – BENDER FIGURE 6...

  • Page 9: Pump Mounting

    CONDUIT CLAMPS PUMP MOUNTING TRACK See below for pump mounting bracket options NOTE: When using the Current Tools Model #292 pump, read and understand the operating and safety manual supplied with it. PUMP MOUNTING BRACKET OPTIONS PUMP BASE PUMP BASE...
  • Page 10 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS FRAME SIDE 1. Locate the two frame sides, roller assembly and two spring clips. ROLLER ASSEMBLY SPRING CLIP 2. Place one frame side onto the roller assembly as shown and secure with a spring clip. NOTE: The collar in the end of the frame side must be facing COLLAR...
  • Page 11 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued FRAME ASSEMBLY BENDER MOUNTING FRAME UNIT ASSEMBLY BENDER MOUNTING UNIT 4. Insert the completed frame assembly with roller into the bender mounting unit as shown. FRAME SIDE COLLAR FOLLOW BAR START FRAME SIDE 5.
  • Page 12 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued 6. Use the carriage with vise to support the back side of the follow bar as shown. FOLLOW BAR CARRIAGE WITH VISE 7. Insert the ram positioner between the frame sides as shown.

  • Page 13: 90˚ Coupling

    BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued 90° COUPLING ASSEMBLY COUPLER BODY NOTE: Insert and CLEVIS RETAINING secure the 90° CLIP coupling assembly into the coupler body CLEVIS on the top of the 8. Place the clevis onto the end of the hydraulic cylinder.
  • Page 14 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued 10. Rotate the pump valve lever clockwise to the closed position CLEVIS PIN and advance the hydraulic cylinder approximately 14" towards the ram positioner. DO NOT OVER EXTEND. CLEVIS Align the clevis holes with the ram positioner holes and insert the clevis SPRING CLIP pin.
  • Page 15 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued 12. Rotate the hydraulic cylinder into position above the frame sides. 13. Slowly rotate the pump valve lever counter- CYLINDER clockwise to the open position and retract the BLOCK PINS hydraulic cylinder until it is secured in the frame CYLINDER sides.
  • Page 16 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued 14. Rotate the pump valve lever counter-clockwise to the open position and fully retract the hydraulic cylinder. Pull the spring clip and remove the CLEVIS clevis pin from the clevis and (IN POSITION TO ram positioner.
  • Page 17 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued 16. Rotate the pump valve lever clockwise to the closed position and advance the cylinder until the clevis holes are aligned with the correct conduit type (Rigid/IMC or EMT) hole in the bending shoe. Insert the clevis pin and secure with a spring clip.
  • Page 18 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued 18. Slide the carriage with vise from underneath the follow bar and position it at the far end of the bending table. CARRIAGE WITH VISE CONDUIT CARRIAGE WITH VISE 19. Place the conduit between the shoe and follow bar, resting the conduit on the carriage with vise.
  • Page 19 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued VISE CHAIN CONDUIT 20. Locate the carriage with vise near the far end of the conduit, making sure that it will not make contact with the pump mounting track prior to CARRIAGE completing the bend. Place the vise WITH VISE chain around the conduit and tighten to secure.
  • Page 20 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued 22. While rocking the bender frame, push the bottom of the bending shoe to the position shown for attaching the saddle and saddle pin. PUSH SPRING CLIP SADDLE INSERT LIP SADDLE SADDLE PIN 23.
  • Page 21 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued BENDING MARK CONDUIT SADDLE INSERT LIP 24. Once the saddle is pinned onto the shoe, let the bender FOLLOW SADDLE lean forward. Make sure the follow bar moves with it and that the follow bar is flush with the saddle and the bending mark is aligned with the front edge of the saddle...
  • Page 22 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued 26. Operate the pump to start the bend. WARNING NEVER allow the carriage with vise to contact any component of the bender or bending table during a bend. 27. Showing a 45° bend.
  • Page 23 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued — continued 28. Showing a 90° bend. 29. Once the desired degree of bend is complete, remove the level from the conduit.
  • Page 24 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued 30. Rotate the pump valve lever counter- clockwise to the open position and allow the hydraulic cylinder to retract and raise the bending shoe. 31. Push the follow bar back towards the starting position so that it rests on the pump mounting tracks.
  • Page 25 BENDER ASSEMBLY AND MOUNTING INSTRUCTIONS — continued 32. Remove the saddle from the bending shoe. SADDLE 33. While keeping the conduit under control, release the vise chain. VISE CHAIN...
  • Page 26 When using the 281 Bending Table with Greenlee 881 or 881 CamTrack ® ® Bender, read and understand the bender manufacturer’s operating and safety instructions before attaching to or operating with the 281 Bending Table. Failure to do so may result in serious injury or death.
  • Page 27 PARTS LIST – CARRIAGE WITH VISE ITEM CATALOG DESCRIPTION QTY. 280-1A ROLLER 280-1B ROLLER – FLAT 280-2E SPACER 281-001 SCREW – SOCKET HEAD CAP 5/16"–18 × 2.25" 281-003 SCREW – SHOULDER SOCKET (3/8"–16 × 3") 281-113 ROLLER – CHAIN 281-114 SPACER BUSHING 281-115 SPACER 281-124...
  • Page 28 DESCRIPTION QTY. 77-025 SCREW, HX HD CAP – 1/2–13 × 1 1/4" 252-004 SCREW, HX HD CAP – 5/8–11 × 1 1/2" 252-005 WASHER, LOCK – 5/8" 252-209 BAR, CONNECTING 281-407 FRAME END – RH 281-410 FRAME END – LH...

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