Grizzly G0759 Leadscrew Backlash, Battery Replacement, To adjust the Y-axis leadscrew nut

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Battery Cover
Figure 58. Battery replacement.
2. Remove the old battery, dispose of it accord- ing to state and federal regulations, then replace it with a new one.

Leadscrew Backlash

 

To adjust the Y-axis leadscrew nut:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Locate

the leadscrew nut

underneath the

 

 

 

 

When you turn the handwheels to adjust the posi-

 

 

table through the hole in the base under the

 

 

rubber way cover.

 

 

 

 

 

tion of the table, you will notice slight play (back-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

lash) in the handwheel before the table begins to

2.

Tighten

the

adjustment

screws on

the

move. If this play is greater than 0.008" (measured

 

 

leadscrew

nut in

the

same manner

as

with the dial at the base of each handwheel), then

 

 

 

 

described

for

the

X-axis

leadscrew

adjust-

you will need to adjust the leadscrew nuts.

 

 

 

 

ment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

To reach the adjustment screws on the leadscrew

3.

Test the adjustment by

turning one

of

the

nut, you may have to fabricate extensions for

 

 

cross handwheels. The ideal amount of play

your hex wrenches. When adjusting, make adjust-

 

 

 

 

when properly adjusted is 0.003"–0.006".

 

ments in small increments. Attempting to reduce

 

 

 

 

 

 

 

 

 

 

 

 

 

 

backlash to less than 0.003" is impractical and

 

Digital Readout Unit

will add unnecessary wear to both the leadscrews

 

and the leadscrew nuts.

 

To adjust the X-axis leadscrew:

 

Battery Replacement

1. Locate the X-axis leadscrew nut under the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If

the digital

readout unit stops

functioning,

the

middle of the table. The head on the adjust-

battery must be replaced.

 

 

 

 

ment screws face to the right (Figure 57).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

To replace the digital readout unit battery:

 

 

 

 

 

 

 

 

 

 

1. Use a wide (#3) standard screwdriver or the

 

Location of

 

 

 

 

 

 

 

edge of a coin to remove the battery cover

 

Adjustment Screws

 

 

 

 

 

 

 

 

 

(Figure 58).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 57. X-axis leadscrew adjusters.

2.Tighten the adjustment screws.

3.Test the adjustment by turning one of the longitudinal handwheels. The ideal amount

of play when properly adjusted is 0.003"– 0.006".

3. Replace the battery cover.

-42-

Model G0704 (Mfg. Since 08/11)

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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 Introduction Manual Accuracy Contact InfoMachine 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 ftNeeded for Setup UnpackingDescription Qty Contents Qty InventoryNot Shown Cleanup Before cleaning, gather the followingBasic steps for removing rust preventative Weight Load Site ConsiderationsExample of a direct mount setup Moving & Placing MachineMounting to Shop Floor Bolting to Concrete FloorsDrill Chuck Arbor AssemblyTo install the drill chuck onto the 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 ChuckTo install the tooling Loading ToolingTo remove the collet Headstock Travel Axis and Rotation To raise or lower the headstockTo tilt the headstock to the left or right Table Travel Longitudinal FeedCross Feed H8179 H8177-Worktable with AngleG5684-R-8 Vertical Collet Rack G9322-Boring Head Combo Set G8683Z-Mini Shop Fox Mobile BaseH5685-4Rotary Table Model G9512 T-Slot Nuts G5758-Tilt xMaintenance ScheduleLubrication Tools Needed Qty To lubricate the leadscrewsHandwheel gears Service TroubleshootingSymptom Possible Cause Possible Solution To adjust the table gibs To adjust the headstock gibsGibs To adjust the X-axis leadscrew Battery ReplacementTo adjust the Y-axis leadscrew nut 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