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Current Tools Omni 747 - User Manual

Current Tools Omni 747
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747 Omni™ Bender
CURRENT TOOLS • P. O. BOX 17026 GREENVILLE, SC 29606
800.230.5421 or 864.721.4230 • FAX 864.721.4232
www.currenttools.com
Operating, Maintenance, Safety
and Parts Manual
05/2018
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.
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.
CONDUIT BENDER
91FF
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Summary

SAFETY ALERTS

Safety Alert Symbol Explanation

Explains the purpose and meaning of the safety alert symbol used in the manual.

Hazard Level Definitions

Defines the terms DANGER, WARNING, and CAUTION used for safety warnings.

IMPORTANT SAFETY INFORMATION

General Electrical Safety

Covers safe use of power sources, cords, and grounding for the bender.

Operational Safety Practices

Details safe handling, positioning, and personal protective equipment recommendations.

SPECIFICATIONS AND FEATURES

Bender Specifications and Capacity

Details physical attributes, power needs, and bending capabilities of the 747 Omni Bender.

Key Operational Features

Lists the primary features and advantages of the bender design and functionality.

Bend Radius Chart

Provides data on bend radii for various conduit types and sizes.

COMPONENT IDENTIFICATION

Front View Component Labels

Illustrates and labels the main components visible from the front of the bender.

Rear View Component Labels

Illustrates and labels the main components visible from the rear of the bender.

GROUNDING INSTRUCTIONS

Electrical Grounding Requirements

Explains the critical need for proper grounding and GFCI protection for safe operation.

TRANSPORTING THE BENDER

Horizontal Orientation for Transport

Step-by-step guide to rotate the bender power unit into a horizontal position.

Moving the Bender

Instructions on how to roll or lift the bender for transportation.

SET UP PROCEDURES

Stabilizing and Leveling the Bender

Steps to secure the bender using leveling screws and locking casters.

Vertical Position Setup

Instructions for rotating the bender power unit to the vertical operating position.

Power Connection and Activation

Details connecting the power cord and turning on the circuit breaker.

SHOE SET-UP

Selecting and Mounting Bender Shoes

Guide to choosing, removing, and attaching the correct bending shoe for conduit.

Setting the Bend Degree Pointer

Instructions for setting the bend degree pointer to the initial -10° position.

Shoe Drive Stud Alignment

How to align drive studs with the bender's mounting holes for secure attachment.

BEND ANGLE LIMIT SWITCH

Setting the Bend Angle Limit

How to adjust the limit switch for accurate and repeatable bend angles.

Internal Stop Switch Function

Explains the internal stop switch that prevents damage to shoe/roller assembly.

Limit Switch Troubleshooting

Basic troubleshooting for issues with the bend angle limit switch operation.

SUPPORT ROLLER RETURN SPRING

Function of the Return Spring

Explains how the return spring positions the support rollers after bending.

BENDING INSTRUCTIONS: 1;2 TO 1-1;4 CONDUIT

Installing the Roller Support

Steps for attaching the pin-on roller support for 1/2" to 1-1/4" conduit.

Conduit Marking and Placement

How to mark conduit and correctly position it within the bender.

Performing the Bend and Release

Procedures for executing a bend and safely releasing the conduit.

BENDING INSTRUCTIONS: 1-1;2 TO 2 CONDUIT

Installing Roller Support for Larger Sizes

How to install the pin-on roller support for 1-1/2" and 2" conduit.

Conduit Marking and Limit Switch Setup

Marking conduit and setting the bend angle limit for larger sizes.

Roller Engagement and Squeeze Adjustment

Steps for engaging rollers and adjusting the squeeze feature.

Completing Bend and Inspection

Finalizing the bend, releasing conduit, and checking for marks or wrinkles.

BENDING INSTRUCTIONS: PVC COATED RIGID CONDUIT

Selecting and Mounting PVC Components

Guide for using the specific shoe and roller support for PVC coated rigid conduit.

PVC Coated Conduit Bending Process

Detailed steps for bending PVC coated rigid conduit accurately.

BEND DEGREE POINTER ADJUSTMENT

Adjusting the Bend Degree Pointer

Instructions for physically moving and securing the bend degree pointer.

Pointer Gap and Limit Switch Clearance

Explains the necessary gap between pointer and limit switch.

STUB-UP BENDING INFORMATION

Locating Stub-Up Bending Marks

Guide to calculating and marking conduit for stub-up bends using springback charts.

SPRINGBACK CHARTS

Rigid Conduit Springback Data

Table showing springback values for Rigid Conduit/Schedule 40 Pipe.

EMT Conduit Springback Data

Table showing springback values for EMT Conduit.

IMC Conduit Springback Data

Table showing springback values for IMC Conduit.

PVC Coated Rigid Conduit Springback Data

Table showing springback values for PVC Coated Rigid Conduit.

OFFSET BENDING INFORMATION

Locating Offset Bending Marks

Guide to marking conduit for offset bends using charts and springback data.

Offset Bending Charts

Provides charts (D and E) for calculating offset dimensions and multipliers.

MAINTENANCE

Gear Box Oil and Lubrication

Details oil type, quantity, and flushing for the gear box.

Chain Tension Inspection and Adjustment

Procedures for checking and adjusting front and rear chain tension.

Bend Angle Limit Switch Adjustment

How to adjust the spring tension for the bend angle limit switch.

Roller Support Lubrication

Recommends lubrication schedule and method for roller supports.

TROUBLESHOOTING GUIDE

Bender Power and Operation Issues

Diagnoses problems related to no power, motor function, and one-direction operation.

Limit Switch and Contact Issues

Addresses issues with the bend angle limit switch and contactor chatter.

EXPLODED VIEWS

Front and Rear Assembly Component Diagrams

Diagrams showing numbered parts for the front and rear assemblies of the bender.

Chassis, Wheel, and Leveling Component Diagrams

Identifies parts for the chassis, wheels, casters, and leveling screws.

Roller Support Armament Component Diagrams

Details parts for the roller support arm, plates, and various rollers.

Cam Shaft and Lever Assembly Component Diagrams

Lists components related to the cam shaft, lever, fittings, and springs.

Electrical Plate, Pendant, and Switch Component Diagrams

Identifies parts for the electrical plate, switches, and remote pendant.

Urethane and 4-Roller Support Component Diagrams

Details parts for urethane and 4-roller support assemblies.

1;2-1-1;4 Bending Shoe Component Diagrams

Lists components for the 1/2" to 1-1/4" bending shoe assembly.

1-1;2-2 Bending Shoe Component Diagrams

Lists components for the 1-1/2" to 2" bending shoe assembly.

PVC Coated Bending Shoe Component Diagrams

Lists parts for the PVC coated bending shoe assembly.

PVC Coated Roller Support Component Diagrams

Lists components for the PVC coated roller support assembly.

PARTS LIST

Bender Frame, Drive, and Control Components

Lists parts for frame, chain, sprockets, controls, guards, and motor/gearbox.

Electrical System Parts List

Comprehensive list of electrical components including transformers, relays, switches, and connectors.

ELECTRICAL SYSTEM DIAGRAM

Bender Wiring Schematic

Illustrates the electrical connections and component layout for the bender.

Summary

SAFETY ALERTS

Safety Alert Symbol Explanation

Explains the purpose and meaning of the safety alert symbol used in the manual.

Hazard Level Definitions

Defines the terms DANGER, WARNING, and CAUTION used for safety warnings.

IMPORTANT SAFETY INFORMATION

General Electrical Safety

Covers safe use of power sources, cords, and grounding for the bender.

Operational Safety Practices

Details safe handling, positioning, and personal protective equipment recommendations.

SPECIFICATIONS AND FEATURES

Bender Specifications and Capacity

Details physical attributes, power needs, and bending capabilities of the 747 Omni Bender.

Key Operational Features

Lists the primary features and advantages of the bender design and functionality.

Bend Radius Chart

Provides data on bend radii for various conduit types and sizes.

COMPONENT IDENTIFICATION

Front View Component Labels

Illustrates and labels the main components visible from the front of the bender.

Rear View Component Labels

Illustrates and labels the main components visible from the rear of the bender.

GROUNDING INSTRUCTIONS

Electrical Grounding Requirements

Explains the critical need for proper grounding and GFCI protection for safe operation.

TRANSPORTING THE BENDER

Horizontal Orientation for Transport

Step-by-step guide to rotate the bender power unit into a horizontal position.

Moving the Bender

Instructions on how to roll or lift the bender for transportation.

SET UP PROCEDURES

Stabilizing and Leveling the Bender

Steps to secure the bender using leveling screws and locking casters.

Vertical Position Setup

Instructions for rotating the bender power unit to the vertical operating position.

Power Connection and Activation

Details connecting the power cord and turning on the circuit breaker.

SHOE SET-UP

Selecting and Mounting Bender Shoes

Guide to choosing, removing, and attaching the correct bending shoe for conduit.

Setting the Bend Degree Pointer

Instructions for setting the bend degree pointer to the initial -10° position.

Shoe Drive Stud Alignment

How to align drive studs with the bender's mounting holes for secure attachment.

BEND ANGLE LIMIT SWITCH

Setting the Bend Angle Limit

How to adjust the limit switch for accurate and repeatable bend angles.

Internal Stop Switch Function

Explains the internal stop switch that prevents damage to shoe/roller assembly.

Limit Switch Troubleshooting

Basic troubleshooting for issues with the bend angle limit switch operation.

SUPPORT ROLLER RETURN SPRING

Function of the Return Spring

Explains how the return spring positions the support rollers after bending.

BENDING INSTRUCTIONS: 1;2 TO 1-1;4 CONDUIT

Installing the Roller Support

Steps for attaching the pin-on roller support for 1/2" to 1-1/4" conduit.

Conduit Marking and Placement

How to mark conduit and correctly position it within the bender.

Performing the Bend and Release

Procedures for executing a bend and safely releasing the conduit.

BENDING INSTRUCTIONS: 1-1;2 TO 2 CONDUIT

Installing Roller Support for Larger Sizes

How to install the pin-on roller support for 1-1/2" and 2" conduit.

Conduit Marking and Limit Switch Setup

Marking conduit and setting the bend angle limit for larger sizes.

Roller Engagement and Squeeze Adjustment

Steps for engaging rollers and adjusting the squeeze feature.

Completing Bend and Inspection

Finalizing the bend, releasing conduit, and checking for marks or wrinkles.

BENDING INSTRUCTIONS: PVC COATED RIGID CONDUIT

Selecting and Mounting PVC Components

Guide for using the specific shoe and roller support for PVC coated rigid conduit.

PVC Coated Conduit Bending Process

Detailed steps for bending PVC coated rigid conduit accurately.

BEND DEGREE POINTER ADJUSTMENT

Adjusting the Bend Degree Pointer

Instructions for physically moving and securing the bend degree pointer.

Pointer Gap and Limit Switch Clearance

Explains the necessary gap between pointer and limit switch.

STUB-UP BENDING INFORMATION

Locating Stub-Up Bending Marks

Guide to calculating and marking conduit for stub-up bends using springback charts.

SPRINGBACK CHARTS

Rigid Conduit Springback Data

Table showing springback values for Rigid Conduit/Schedule 40 Pipe.

EMT Conduit Springback Data

Table showing springback values for EMT Conduit.

IMC Conduit Springback Data

Table showing springback values for IMC Conduit.

PVC Coated Rigid Conduit Springback Data

Table showing springback values for PVC Coated Rigid Conduit.

OFFSET BENDING INFORMATION

Locating Offset Bending Marks

Guide to marking conduit for offset bends using charts and springback data.

Offset Bending Charts

Provides charts (D and E) for calculating offset dimensions and multipliers.

MAINTENANCE

Gear Box Oil and Lubrication

Details oil type, quantity, and flushing for the gear box.

Chain Tension Inspection and Adjustment

Procedures for checking and adjusting front and rear chain tension.

Bend Angle Limit Switch Adjustment

How to adjust the spring tension for the bend angle limit switch.

Roller Support Lubrication

Recommends lubrication schedule and method for roller supports.

TROUBLESHOOTING GUIDE

Bender Power and Operation Issues

Diagnoses problems related to no power, motor function, and one-direction operation.

Limit Switch and Contact Issues

Addresses issues with the bend angle limit switch and contactor chatter.

EXPLODED VIEWS

Front and Rear Assembly Component Diagrams

Diagrams showing numbered parts for the front and rear assemblies of the bender.

Chassis, Wheel, and Leveling Component Diagrams

Identifies parts for the chassis, wheels, casters, and leveling screws.

Roller Support Armament Component Diagrams

Details parts for the roller support arm, plates, and various rollers.

Cam Shaft and Lever Assembly Component Diagrams

Lists components related to the cam shaft, lever, fittings, and springs.

Electrical Plate, Pendant, and Switch Component Diagrams

Identifies parts for the electrical plate, switches, and remote pendant.

Urethane and 4-Roller Support Component Diagrams

Details parts for urethane and 4-roller support assemblies.

1;2-1-1;4 Bending Shoe Component Diagrams

Lists components for the 1/2" to 1-1/4" bending shoe assembly.

1-1;2-2 Bending Shoe Component Diagrams

Lists components for the 1-1/2" to 2" bending shoe assembly.

PVC Coated Bending Shoe Component Diagrams

Lists parts for the PVC coated bending shoe assembly.

PVC Coated Roller Support Component Diagrams

Lists components for the PVC coated roller support assembly.

PARTS LIST

Bender Frame, Drive, and Control Components

Lists parts for frame, chain, sprockets, controls, guards, and motor/gearbox.

Electrical System Parts List

Comprehensive list of electrical components including transformers, relays, switches, and connectors.

ELECTRICAL SYSTEM DIAGRAM

Bender Wiring Schematic

Illustrates the electrical connections and component layout for the bender.

Current Tools Omni 747 Specifications

General IconGeneral
BrandCurrent Tools
ModelOmni 747
CategoryCutter
LanguageEnglish