Grizzly G0759 owner manual Symptom Possible Cause Possible Solution

Page 52

Symptom

Possible Cause

Possible Solution

 

 

 

 

 

Tool slips in collet.

1.

Collet is not fully drawn up into

1.

Tighten drawbar.

 

 

spindle taper.

 

 

 

2.

Wrong size collet.

2.

measure tool shank diameter and match with

 

 

 

 

appropriate diameter collet.

 

3.

Debris on collet or in spindle taper.

3.

Clean collet and spindle taper.

 

4.

Taking too big of a cut.

4.

lessen depth of cut and allow chips to clear.

 

 

 

 

 

Breaking tools or cutters.

1.

Spindle speed too slow/feed rate is

1.

Set spindle speed correctly (Page 27) or use a

 

 

too fast.

 

slower feed rate.

 

2.

Cutting tool getting too hot.

2.

Use coolant fluid or oil for appropriate application.

 

 

 

 

(Follow cutting fluid manufacturer's recommendation

 

 

 

 

for proper use and safety.)

 

3.

Taking too big of a cut.

3.

Decrease depth of cut.

 

4.

Spindle extended too far down.

4.

Fully retract spindle and lower headstock. This

 

 

 

 

increases rigidity.

 

 

 

 

 

Workpiece vibrates or

1.

Table locks not tight.

1.

Tighten down table locks (Page 32).

chatters during operation.

2.

Quill lock lever not tight.

2.

Tighten quill lock lever.

 

3.

Workpiece not securely clamped to

3.

Check that clamping is tight and sufficient for the job.

 

 

table or into mill vice.

 

Make sure mill vice is tight to the table.

 

4.

Spindle speed is too slow /feed rate

4.

Set spindle speed correctly (Page 27) or use a

 

 

is too fast.

 

slower feed rate.

 

5.

Spindle extended too far down.

5.

Fully retract spindle and lower headstock. This

 

 

 

 

increases rigidity.

 

 

 

 

 

Table is hard to move.

1.

Table locks are tightened down.

1.

Make sure table locks are fully released.

 

2.

Chips have loaded up on ways.

2.

Frequently clean away chips that load up during

 

 

 

 

milling operations.

 

3.

Ways are dry and need lubrication.

3.

Lubricate ways and handles (Page 36).

 

4.

Table limit stops are interfering.

4.

Check to make sure that all table limit stops are not

 

 

 

 

in the way.

 

5.

Gibs are too tight.

5.

Adjust gibs (see Page 41).

 

 

 

 

 

Bad surface finish.

1.

Spindle speed is too slow/feed rate

1.

Set spindle speed correctly (Page 27) or use a

 

 

is too fast.

 

slower feed rate.

2.Using a dull or incorrect cutting tool. 2. Sharpen cutting tool or select one that better suits the

operation.

3.

Wrong rotation of cutting tool.

3.

Check for proper cutting rotation for cutting tool.

4.

Workpiece not securely clamped.

4.

Secure properly to the table.

5.

Spindle extended too far down.

5.

Fully retract spindle and lower headstock. This

 

 

 

increases rigidity.

-40-

Model G0704 (Mfg. Since 08/11)

Page 51 Page 53
Image 52
Page 51 Page 53
Contents Model G0759 Machine Data Sheet Table Info Column & Stand Description Electrical Box Headstock Description Chip Guard Labels Model G0704 MILL/DRILL with Stand Page Table of Contents Manual Accuracy Contact Info IntroductionMachine Description Identification Electronic Controls Identification G0704 electronic controls identificationModel G0704 DRILL/MILL with Stand 50 2250 RPM Accessories Included Safety Safety Instructions for MachineryMaintain Power CORds. When­ disconnect ChILdREN & BYsTANdERs. Keep­children­and­Additional Safety for Mill/Drills Power Supply Minimum Gauge Size 16 AWG 50 ftUnpacking Needed for SetupDescription Qty Inventory Contents QtyNot Shown Before cleaning, gather the following CleanupBasic steps for removing rust preventative Weight Load Site ConsiderationsExample of a direct mount setup Moving & Placing MachineMounting to Shop Floor Bolting to Concrete FloorsAssembly To install the drill chuck onto the arborDrill Chuck Arbor To assemble your machinePower Connection Connecting PowerTest Run & Spindle Break-in To test run and break-in the spindle bearingsOperations Operation OverviewBasic Controls Speed Range Selector Knob Selects low rangeDigital readout unit controls Model G0704 Mfg. Since 08/11 Digital Readout Unit To use the digital readoutCalculating Spindle Speed To determine the needed spindle speedSpindle Speed Direction To set the spindle speedChanging Spindle Position Using Quill Feed Levers Spindle Height ControlsTo install the drill chuck and arbor Drill ChuckLoading Tooling To install the toolingTo remove the collet To raise or lower the headstock Headstock Travel Axis and RotationTo tilt the headstock to the left or right Longitudinal Feed Table TravelCross Feed H8177-Worktable with Angle H8179G5684-R-8 Vertical Collet Rack G8683Z-Mini Shop Fox Mobile Base G9322-Boring Head Combo SetH5685-4Rotary Table Model G9512 T-Slot Nuts G5758-Tilt xSchedule MaintenanceLubrication Tools Needed Qty To lubricate the leadscrewsHandwheel gears Service TroubleshootingSymptom Possible Cause Possible Solution To adjust the headstock gibs To adjust the table gibsGibs Battery Replacement To adjust the Y-axis leadscrew nutTo adjust the X-axis leadscrew To replace the digital readout unit batteryMotor Service To inspect and replace the motor brushesWiring Wiring Safety InstructionsWiring Diagram Rear panel Side panelParts Column BreakdownColumn Parts List Electrical Box Breakdown & Parts List 80-1 92V2Headstock Breakdown Headstock Parts List Chip Guard Breakdown & Parts List DescriptionLabels Breakdown & Parts List Model G0704 Mfg. Since 08/11 Warranty Card CommentsGrizzly INDUSTRIAL, INC BOX BELLINGHAM, WAWarranty and Returns
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