Grizzly owner manual 440V Conversion, To rewire the Model G0646/G0647 for 440V operation

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440v conversion

440V Conversion

The Model G0646/G0647 can be converted for 440V operation. This conversion job consists of disconnecting the machine from the power source, changing the connections on the voltage transformer, replacing the overload relay, and rewiring the motor for 440V operation.

The necessary overload relay for this procedure can be purchased by calling Grizzly Customer Service at (800) 523-4777 and ordering Part Number P0646209-1.

All wiring changes must be inspected by a quali- fied electrician before the machine is connected to the power source. If, at any time during this pro- cedure you need help, call Grizzly Tech Support at (570) 546-9663.

To rewire the Model G0646/G0647 for 440V operation:

1.DISCONNECT MACHINE FROM POWER!

2.Rotate the main power switch to OFF or "0" and the electrical cabinet door lock to the horizontal, then open the door to access the voltage transformer (see Figure 6).

3.At the voltage transformer, remove the wire labeled "S" that leads to the “220” terminal, and connect that wire to the “440” terminal (see Figure 7).

 

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��

���

��

����

 

���

�

� �

�

� �

�� � �� �� ���� ����

Figure 7. "S" wire connected to the 440V

terminal of the voltage transformer.

4. Remove the overload relay and replace it with

the 440V version (Part Number P0646209-1).

Set the overload relay dial (see Figure 6) to

the value for your model:

 

Model G0646

7.5A

Model G0647

8A

5. Open the junction box on the motor, and

rewire the motor as shown on the diagram

located inside the motor junction box.

 

Note: The reference motor wiring diagram on

Page 56 was current at the time of printing,

but always use the wiring diagram provided

inside the motor junction box, as it will reflect

any changes to the motor shipped with your

Relay

Transformer

machine.

NOTICE

Figure 6. Voltage transformer and overload relay

inside electrical cabinet.

Note: It may be necessary to put pressure on the upper left corner of the electrical cabi- net door to engage and turn the main power switch.

G0646/G0647 50/65 Ton Ironworker

For 440V connections, an electrician MUST hardwire the machine (using a metal con- duit setup) directly to a locking disconnect switch, which is directly connected to the power source.

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Contents 50/65 TON Ironworker Page Table of Contents Introduction Foreword Functional OverviewContact Info Identification G0646 Machine Data Sheet G0646/G0647 50/65 Ton Ironworker G0647 Machine Data Sheet G0646/G0647 50/65 Ton Ironworker Safety Instructions for Machinery G0646/G0647 50/65 Ton Ironworker Additional Safety Instructions for Ironworkers Additional Safety Instructions for Hydraulics 220/440V Operation Power Supply Circuit RequirementsPower Connection Device Circuit Requirements440V Conversion To rewire the Model G0646/G0647 for 440V operationUnpacking SetupSetup Safety Items Needed for SetupInventory Figure Qty Inventory Clean UpFloor Load Placement LocationSite Considerations Moving & Placing Base UnitUsing Machine Mounts Mounting to Shop FloorBolting to Concrete Floors To test run the machine Test RunFactory adjustments that should be verified Recommended AdjustmentsOperation Safety OperationsBasic Controls Motor Stop Button Turns the motor OFF Using the Punching StationOperation Tips PunchingRemoving/Installing Punch Tooling Tools Needed QtyTo remove punch tooling Punch, adapter, retaining ring, Die installed To install punch toolingBolster Mounting Hex Bolts 4 shown Using the Notching Station Removing & Installing Notch DiesNotching Notch Die Clearances To install the notch diesPage To avoid tooling or workpiece breakage Flat Stock ShearingTo shear flat stock To shear bar stock Bar Stock ShearingExtension Bar Angle Iron ShearingMaking a 90 Cut Making a Less Than 90 Cut Adjusting Stroke Length Beam Lubrication Accessories H7379-Tapmatic#1 Gold 16 oz H7380-Tapmatic#1 Gold 1 GalT20448T20452 T20501 T20456 H0736 Available Tooling Maintenance Cleaning ProtectingSchedule Shearing Hold-Down Adjustment Rod LubricationBeam Pivot Shaft Support Frame Lubrication Hydraulic System Filling Hydraulic ReservoirFluid Capacity Draining & Re-Filling Hydraulic ReservoirTo drain and re-fill the hydraulic reservoir To align the beam Beam AlignmentService TroubleshootingMotor & Electrical Operations To remove and replace the flat stock shearing dies Flat Stock Shearing DiesTo remove the angle iron shearing dies Angle Iron Shearing DiesTo remove and replace the bar stock shearing dies Bar Stock Shearing DiesDisconnect Machine from Power Shearing Table Alignment To reset the position of the limit rings Limit RingsHydraulic Fluid Pressure Electrical Panel Wiring Control Panel Wiring Electrical Panel Wiring Diagram Control Panel Wiring Diagram Limit switch wiring Electrical Components Wiring DiagramMotor wiring G0646/G0647 50/65 Ton Ironworker Motor Wiring DiagramHydraulic System Overview Parts Description G0646 Upper Front-Half Parts ListG0647 Upper Front-Half Parts List Half UpperG0646 Upper Rear-Half Parts List Description G0647 Upper Rear-Half Parts ListCabinet G0646 Cabinet G0647 Cabinet Notching Station Punching Station Extension Bar & Tools Label Placement Page Page Warranty and Returns
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