Grizzly G0763 Wheel Balancing, Tools Needed Qty, To balance the grinding wheel assembly

Page 29

Wheel Balancing

An unbalanced wheel can result in a damaged wheel and poor finishes because the edge of the wheel does not contact the workpiece evenly.

Although the new wheel itself is generally balanced by the manufacturer, the addition of the sleeve and flange will require rebalancing. Additionally, the wheel can become unbalanced with wear.

Correctly balancing the wheel assembly will require trial-and-error and patience.

Tools Needed

Qty

Hex Wrench 3mm

1

Pencil or Marker

1

Wheel Balancing Arbor

1

Wheel Balancing Base

1

To balance the grinding wheel assembly:

1.Make sure wheel is clean and dry.

Note: If wheel is wet with coolant, hang it in a dry location until it is dry (usually overnight).

2.Clean rust and debris from edges of wheel balancing base (see Figure 30).

Edge

Leveling Bolt

(1 of 3)

Figure 30. Wheel balancing base.

3.Using a precision level and leveling bolts, make sure the edges of the balancing base are level from front to back and side to side.

Model G0763 (Mfg. Since 8/13)

4.Attach wheel sleeve and flange to wheel, as instructed in Mounting/Removing Wheel on Page 28.

5.Loosen balancing weight set screws, position weights evenly around wheel sleeve groove, then retighten set screws (see Figure 31).

Wheel

Sleeve

Balancing Weight

(1 of 3)

Figure 31. Weights evenly distributed around

wheel sleeve groove.

6.Using a slightly-oiled lint free cloth, wipe mat- ing surfaces of balancing arbor and internal sleeve taper perfectly clean, then push them together (see Figure 32).

Balancing

Arbor

Figure 32. Wheel assembly on balancing base.

7.Place assembly on balancing base and wait until wheel rotation comes to a complete stop.

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Contents Model G0763 18 Surface Grinder Page Table of Contents Contact Info IntroductionMachine Description Manual Accuracy Identification Grinding Wheel & Coolant Controls Master Power SwitchBasic Controls Handwheels Power Feed ControlsMachine Data Sheet Magnetic Chuck Info Safety Instructions for Machinery SafetyPage Additional Safety for Surface Grinders Availability Power SupplyFull-Load Current Rating Circuit Requirements forExtension Cords Grounding InstructionsMinimum Gauge Size 14 AWG 50 ftNeeded for Setup SetupUnpacking Description QtySmall parts inventory InventoryBasic steps for removing rust preventative CleanupBefore cleaning, gather the following Site Considerations To lift and place the machine Lifting & PlacingTo assemble the surface grinder AssemblyCable orientation on pulley Open End Pulley Page To connect the power supply to the machine Power ConnectionTo test run the machine Test RunPage Operation Overview OperationsAbrasive Type Wheel SelectionGrit Size GradeTo perform a ring test Wheel Inspection Ring TestTo inspect a wheel for damage Tools Needed Qty To balance the grinding wheel assemblyWheel Balancing Mounting/Removing Wheel To mount wheel assemblyMounting Wheel Items Needed QtyPage Removing Wheel To remove wheel assemblyWheel Dressing Tool Needed Qty Power FeedsTo set up the power feeds to work together Model G0763 Mfg. Since 8/13 H5618-Parallels for Magnetic Chuck AccessoriesFriable Surface Grinding Wheels, Aluminum Oxide Cleaning Protecting MaintenanceSchedule DailyOil Sump LubricationOne-Shot Oiler Table Ball Bearing Strips Coolant SystemHazards To lubricate table ball bearing stripsCheck/Adding Coolant Wheel StorageChanging Coolant To change coolantSymptom Possible Cause Possible Solution ServiceTroubleshooting Wiring Safety Instructions WiringWiring Overview Power Feed Control Panel 220 VAC Electrical Cabinet WiringControl Panel PumpElectrical Panel & Control Panel Electrical panel and control panel wiringElectrical Cabinet Control Panel WiringControl Panel Viewed from behind Wiring Power feed controls wiring Model G0763 Mfg. Since 8/13 Power Feed Control PanelSpindle Motor Wiring clockwise Motor Wiring DiagramsCoolant Pump Motor 220V Prewired Coolant Pump Motor Rewired toBase Parts134 ColumnDescription Description Motor & Downfeed SystemSaddle 405 406 402 407 404 419 403 417 409 410 412 416 418 503 505 511 507 508510 502 509 501 Accessories Electrical Cabinet 715 Main Control Panel722 723 733 721 724 Power Feed Control BoxLabels & Cosmetics Comments Warranty CardBOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCWarranty & Returns