Current Tools Omni 747 Operating, Maintenance, Safety And Parts Manual
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Current Tools Omni 747 Operating, Maintenance, Safety And Parts Manual

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747 Omni™ Bender
Operating, Maintenance, Safety
and Parts Manual
This manual is free of charge. All personnel who operate or
service this Bender should have a copy of this manual and read and
understand its contents. To request a copy, call, write to the address
below or visit our website at www.currenttools.com.
CURRENT TOOLS • P. O. BOX 17026 GREENVILLE, SC 29606
800.230.5421 or 864.721.4230 • FAX 864.721.4232
Read and understand this material before
operating or servicing this Bender. Failure to
understand how to safely operate and service
this unit may result in serious injury or death.
www.currenttools.com
CONDUIT BENDER
91FF
05/2018

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Summary of Contents for Current Tools Omni 747

  • Page 1 Bender should have a copy of this manual and read and understand its contents. To request a copy, call, write to the address below or visit our website at www.currenttools.com. CURRENT TOOLS • P. O. BOX 17026 GREENVILLE, SC 29606 800.230.5421 or 864.721.4230 • FAX 864.721.4232 www.currenttools.com...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Safety Alerts ..................3 Important Safety Information ............4, 5 Specifications – 747 Omni™ Bender ..........6 Features ..................6, 7 Grounding Instructions ..............8 Transporting ..................9 Set Up ..................10, 11 Shoe Set-Up ................12, 13 Bend Angle Limit Switch and Stop Switch ......14, 15 Support Roller Return Spring ............16 ⁄...

  • Page 3: Safety Alerts

    SAFETY ALERTS Safety Alert Symbol THIS SAFETY SYMBOL is used to call your attention to instructions that concern your personal safety. It means: ATTENTION! BE AWARE! THIS IS AN IMPORTANT SAFETY INSTRUCTION! Read, understand, and follow these safety instructions. Failure to follow these safety instructions may result in injury or death.

  • Page 4: Important Safety Information

    RETAIN SAFETY INFORMATION This manual should be read and understood by all personnel who operate or service this Bender. Failure to understand how to safely operate and service this unit could result in serious injury or death. This unit should only be operated and serviced by qualified personnel.

  • Page 5: Important Safety Information

    DANGER IMPORTANT SAFETY INFORMATION continued . . . DANGER WARNING ALWAYS keep hands and feet away from pinch points such as bending shoes, rollers and conduit when bender is in use. Operator must ALWAYS face the front of the bender with the WARNING CAUTION bending degree scale visible and maintain a minimum of 3 feet...

  • Page 6: Specifications - 747 Omni Bender

    SPECIFICATIONS – 747 OMNI BENDER ⁄ height " ⁄ width " length 44" weight 615 lbs (with shoes) power requirement 120 Vac 20 amp GFCI protected circuit ⁄ capacity " thru 2" Rigid conduit ⁄ " thru 2" EMT conduit ⁄...

  • Page 7: Features

    FEATURES – CONTINUED BEND ANGLE Front View LIMIT SWITCH RETAINING PAWL POSITIONING BUILT-IN 1-1/2" & 2" EMT AND IMC SUPPORT ROLLER ASSEMBLY POSITION LOCKING SCREW SQUEEZE ADJUSTMENT SUPPORT ROLLER ENGAGEMENT LEVER HANDLE BENDER POWER UNIT SPARE SHOE Rear View RETAINER LEVELING SCREW MOBILE...

  • Page 8: Grounding Instructions

    GROUNDING INSTRUCTIONS WARNING ELECTRIC SHOCK HAZARD! Only connect the bender to a 20 amp GFCI protected circuit. Do NOT modify the plug which is provided with the unit. Failure to follow these warnings can result in serious injury or death. This bender is intended for use on a circuit that has a receptacle that looks like the one illustrated below.

  • Page 9: Transporting

    TRANSPORTING WARNING ALWAYS rotate the bender power unit into the horizontal position before lifting, rolling or any type of transporting. To rotate into the horizontal position: 1. Unscrew the position locking screw until it clears the bender power unit. 2. While holding the handle, pull the spring loaded positioning pin. Then use the handle to rotate the bender power unit into the horizontal position.

  • Page 10: Set Up

    SET UP Lock the two swivel casters when you reach the desired location. To stablilize the bender: Using a 1/2" socket, lower at least two of the leveling screws to hold the bender in place. To level the bender (if needed): Lower the remaining two leveling screws and adjust as required.
  • Page 11 SET UP – CONTINUED 2. While holding the handle with one hand, pull the spring loaded positioning pin (you may need to slightly lift up on the handle to relieve pressure on the positioning pin). 3. While continuing to hold the handle, rotate the bender power unit into the vertical position.

  • Page 12: Shoe Set-Up

    SHOE SET-UP ⁄ The 747 Omni Bender is equipped with everything needed to bend " thru 2" EMT, IMC, Rigid steel and Rigid aluminum conduit. Also, 40 mil PVC coated Rigid conduit can be bent with optional shoe and roller support. 1.

  • Page 13: Shoe Set-Up

    SHOE SET-UP – CONTINUED The drive sprocket on the 747 Omni Bender has 2 large holes and 2 small holes to accept the bending shoe drive studs. Therefore, each shoe will mount in 2 positions. When mounting the shoes, align the large drive studs with the large holes and the small studs with the small holes.

  • Page 14: Bend Angle Limit Switch And Stop Switch

    BEND ANGLE LIMIT SWITCH AND STOP SWITCH The 747 Omni Bender has an adjustable bend angle limit switch for easy ® repeat bends. The bend angle limit switch will adjust from approximately five degrees (5°) to one hundred and five degrees (105°). 1.

  • Page 15: Bend Angle Limit Switch And Stop Switch

    BEND ANGLE LIMIT SWITCH AND STOP SWITCH — CONTINUED Pointer Bend Angle Limit Switch 2. When the pointer reaches the Bend Angle Limit Switch, the bender will stop. 3. If you do not want to use the Bend Angle Limit Switch, before bending, slide it clockwise as far as possible (about 105°).

  • Page 16: Support Roller Return Spring

    SUPPORT ROLLER RETURN SPRING In addition to the stop switch that is provided to help avoid damage to the shoe hook and built-in support roller assembly, the 747 Omni™ Bender has a return spring installed on the built-in support roller assembly (See Figure A1).

  • Page 17: Bending Instructions

    ⁄ ⁄ " TO 1 " BENDING INSTRUCTIONS – EMT, IMC AND RIGID ⁄ ⁄ 1. Select and mount the " to 1 " shoe as described in the shoe set-up section on pages 12 and 13. ⁄ ⁄ 2. Next, install the "...
  • Page 18 ⁄ ⁄ " TO 1 " BENDING INSTRUCTIONS – EMT, IMC AND RIGID — CONTINUED 3. Next, mark conduit to desired length. Note that a minimum of 2" from the end of the conduit to the front edge of the hook is required to eliminate flattening the end of the conduit.

  • Page 19: And 2" Bending Instructions

    1½" AND 2" BENDING INSTRUCTIONS – EMT, IMC AND RIGID ⁄ 1. Select and mount the 1 " to 2" shoe as described in the shoe set-up section on pages 12 and 13. ⁄ 2. Next, install the 1 " and 2" pin-on roller support (see photo below). ⁄...
  • Page 20 1½" AND 2" BENDING INSTRUCTIONS – EMT, IMC AND RIGID — CONTINUED 3. Rotate the bending shoe so that the bend degree pointer is at the minus ten degree (-10˚) position as shown in the figure below. 4. Mark conduit to desired length. Note that a minimum of 2" from the end of the conduit to the front edge of the hook is required to eliminate flattening the end of the conduit.
  • Page 21 1½" AND 2" BENDING INSTRUCTIONS – EMT, IMC AND RIGID — CONTINUED 7. Push the support roller lever to lift rollers. Rotate the rollers on the built- in support roller assembly to the type conduit to be bent. NOTE: the support rollers are labeled “EMT”...
  • Page 22 1½" AND 2" BENDING INSTRUCTIONS – EMT, IMC AND RIGID — CONTINUED 9. Set the pendant switch to the "Bend" position. 10. Using the support roller lever, engage the support rollers against the conduit. In the vertical position, use foot In the horizontal position, engage pressure to engage the rollers.

  • Page 23: And 2" Bending Instructions

    1½" AND 2" BENDING INSTRUCTIONS – EMT, IMC AND RIGID — CONTINUED 12. Advance the bender shoe to desired degree of bend. When the bend degree pointer reaches the bend angle limit switch, the bender will stop. 13. After bending, release the conduit by placing the pendant switch in the “UNLOAD”...

  • Page 24: 1/2" To 2" Bending Instructions - Pvc Coated Rigid

    ½" TO 2" BENDING INSTRUCTIONS – PVC COATED RIGID 1. Select and mount the optional 1/2" to 2" PVC Coated Rigid bending shoe (Part #2-3200-7) as described in the shoe set-up section on pages 12 and NOTE: The optional PVC Coated Rigid bending shoe (Part #2-3200-7) is a single shoe that will bend the full range of PVC Coated Rigid conduit from 1/2"...
  • Page 25 ⁄ " TO 2" BENDING INSTRUCTIONS – PVC COATED RIGID — CONTINUED 3. Next, mark conduit to desired length. Note that a minimum of 2" from the end of the conduit to the front edge of the hook is required to eliminate flattening the end of the conduit.

  • Page 26: Bend Degree Pointer Adjustment

    BEND DEGREE POINTER ADJUSTMENT Bend degree pointer may be adjusted as follows: POINTER 1. Remove the bending shoe located ADJUSTING on the front of the bender by BOLTS pressing down on the spring loaded retainer pawl and sliding the shoe off the nose tube.

  • Page 27: Stub Up Bending Information

    STUB-UP BENDING INFORMATION To locate bending marks and springback of 15, 30, 45, 60, and 90 degree bends for a desired stub: 1. Check Springback Chart A, B, or C or C1 for deduct length (See page 28). Note that minimum stub length is deduct length plus 2". 2.

  • Page 28: Springback Charts

    SPRINGBACK CHARTS Chart A – RIGID Conduit/Schedule 40 Pipe ————————— Springback ————————— Conduit Deduct Size Length 15˚ 30˚ 45˚ 60˚ 90˚ 1/2" ⁄ " 3/4" ⁄ " 1" 11" ⁄ ⁄ " " ⁄ ⁄ " " 2" ⁄ " Chart B –...

  • Page 29: Offset Bending Information And Charts

    OFFSET BENDING INFORMATION AND CHARTS To locate bending marks for a desired offset: 1. Measure distance from end of conduit to start of bend and mark conduit. (Mark 1) See Figure 29a 2. Refer to chart E (page 30) for measurement “X" and deduct this distance from Mark 1 and place Mark 2 on conduit.

  • Page 30: Offset Bending Information And Charts

    OFFSET BENDING INFORMATION AND CHARTS continued CHART D 15° 30° 45° CENTER CENTER CENTER OFFSET CONDUIT CONDUIT CONDUIT CENTER CENTER CENTER HEIGHT SIZE SIZE SIZE 2" 7-3/4" 3/4" 4" 1-1/2" 15-7/16" 3/4" 7-5/16" 6" 2" 1" 23-3/16" 11-15/16" 1/2" 8-5/16" 2"...

  • Page 31: Maintenance

    MAINTENANCE MAINTENANCE WARNING ALWAYS disconnect power supply before removing any guards or covers and before servicing this bender. Failure to do so may result in serious injury or death. 1. The Gear Box is filled with oil at the factory and should not require periodic flushing.
  • Page 32 BENDING SHOE MAINTENANCE INSTRUCTIONS — CONTINUED 3. To inspect REAR #40 chain tension: • Check chain tension after an initial break-in period of 2 - 3 hours of use and tighten per the instructions below. See Figure 32. Thereafter, inspect monthly. •...
  • Page 33 MAINTENANCE INSTRUCTIONS — CONTINUED 4. Bend Angle Limit Switch Adjustment: If the Bend Angle Limit Switch becomes too loose or too tight, the spring tension can be adjusted as follows: • Disconnect power to the bender. • To access the Bend Angle Limit Switch, remove the 14 screws that hold the face plate onto the bender frame.

  • Page 34: Troubleshooting

    TROUBLESHOOTING WARNING ALWAYS disconnect power supply before removing any guards or covers and before servicing this bender. Failure to do so may result in serious injury or death. Problem Cause Diagnosis Cure 1. Bender will not Power source Check for voltage at power If power is on, operate source...
  • Page 35 TROUBLESHOOTING — CONTINUED Problem Cause Diagnosis Cure 7. Pointer passes Magnet damaged, Visual check Replace the bend angle missing or greater magnet(s) or the limit switch in than 1/2" from bend pointer the clockwise angle limit switch direction. Bend angle limit Magnet is installed Replace bend angle switch malfunction...

  • Page 36: Exploded Views And Parts List

    PARTS LIST refer to on page 37 EXPLODED VIEWS FRONT VIEW REAR VIEW...
  • Page 37 PARTS LIST — 747 SERIES ELECTRIC BENDER ITEM # DESCRIPTION PART # 1 ......1 ......... BENDER FRAME ........747-951 2 ......1 ........... GUARD PLATE .........747-913 3 ......1 ..........CHAIN, #60 ........... 77-011A 4 ......1 ........MASTER LINK, #60 ........77-010 5 ......
  • Page 38 EXPLODED VIEWS ITEM # DESCRIPTION PART # 52 ......2 ......COTTER PIN-3/16 X 1-1/4" LONG ......77-016 53 ......1 ........POSITIONING PIN ........747-860 54 ......1 ..........UPRIGHT ..........747-906 55 ......1 ....... POSITION LOCKING SCREW ......747-927 56 ......4 .....BUSHING-1-1/2" ID, 1-3/4" OD X 3/4" OAL .....747-3 57 ......
  • Page 39 EXPLODED VIEWS ITEM # DESCRIPTION PART # 68 ......1 ........ARM WELDMENT ........747-996 69 ......1 ......SUPPORT PIN-ROLLER SUPPORT ......747-857 70 ......16 ......SCREW-FLAT SOCKET - 7/16-14 X 1" ......2-1118 71 ......4 ........PIN-ROLLER 2" EMT/IMC .........747-859 72 ......
  • Page 40 EXPLODED VIEWS ITEM # DESCRIPTION PART # 46 ......1 ........PIN – ROLL 3/16 X 1 ........747-18 66 ......1 ........WASHER – 3/4 SAE ........77-017 81 ......1 ..........CAM SHAFT ...........747-840 82 ......1 ........CAP-ADJUSTMENT ........747-879 83 ......4 .......SCREW-FLAT SOC. 1/4-20 X 1/4" LONG ......747-20 84 ......
  • Page 41 PARTS LIST refer to on page 42 EXPLODED VIEWS ELECTRICAL PLATE MOUNTING HOLES-BENDER FRAME CIRCUIT BREAKER SWITCH REMOTE PENDANT BENDING ANGLE LIMIT SWITCH STOP SWITCH BLACK...
  • Page 42 PARTS LIST — 747 SERIES ELECTRIC BENDER ITEM # DESCRIPTION PART # 93 ......1 ........PLATE-ELECTRICAL ........77-339 94 ......2 ........... CONTACTORS ..........77-054 95 ......2 ......SCREW-#8-32 X 1/2" THD CUTTER ......77-004 96 ......1 ........TRANSFORMER-24 VOLT .........77-055 97 ......
  • Page 43 EXPLODED VIEWS PIN-ON URETHANE ROLLER SUPPORT FOR 1-1/2" AND 2" EMT, IMC AND RIGID CONDUIT (PART # 747-33) PIN-ON 4 ROLLER SUPPORT UNIT FOR 1/2" THRU 1-1/4" EMT, IMC AND RIGID CONDUIT (PART # 747-972) ITEM # DESCRIPTION PART # 129 ......
  • Page 44 EXPLODED VIEWS ⁄ ⁄ 2-2201 " to 1 " Bending Shoe Assembly for EMT/IMC/RIGID ITEM # DESCRIPTION PART # 135 ......2 ..........DRIVE STUD ..........2-1304 136 ......2 .......SCREW-CAP,SOC 1/2-13 X 1" ......2-2202-2 137 ......2 ........SHOE STUD ADAPTER ........747-930 138 ......
  • Page 45 EXPLODED VIEWS ⁄ 2-3200-7 " to 2" Bending Shoe Assembly for PVC Coated Rigid Conduit ITEM # DESCRIPTION PART # 135 ......2 ......... STUD – BENDER ........2-1304 136 ......2 ....SCREW – SOCKET HEAD CAP (1/2-13 X 1) ....2-2202-2 144 ......

  • Page 46: Electrical System Diagram

    ELECTRICAL SYSTEM DIAGRAM WHITE WHITE WHITE WHITE WHITE...

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