Grizzly G0492 owner manual Operation and Work Results

Page 46

Troubleshooting

Operation and Work Results

Symptom

Possible Cause

Possible Solution

Entire machine

1.

Workpiece is unbalanced.

1.

Reinstall workpiece so it is as centered with the

vibrates exces-

 

 

 

spindle bore as possible.

sively upon

2.

Worn or broken gear present.

2.

Inspect gears and replace if necessary.

startup and while

3.

Chuck or faceplate has become unbalanced.

3.

Rebalance chuck or faceplate; contact a local

running.

 

 

 

machine shop for help.

 

4.

Spindle bearings badly worn.

4.

Replace spindle bearings.

 

 

 

 

 

Cutting tool or

1.

Tool holder not tight enough.

1.

Check for debris, clean, and retighten.

machine com-

2.

Cutting tool sticks too far out of tool holder;

2.

Reinstall cutting tool so no more than 1/3 of the total

ponents vibrate

 

lack of support.

 

length is sticking out of tool holder.

excessively dur-

3.

Gibs are out of adjustment.

3.

Tighten gib screws at affected component.

ing cutting.

4.

Dull cutting tool.

4.

Replace or re sharpen cutting tool.

 

5.

Incorrect spindle speed or feed rate.

5.

Use the recommended spindle speed.

 

 

 

 

 

Can't remove

1.

Quill had not retracted all the way back into the

1.

Turn the quill handwheel until it forces taper out of

tapered tool from

 

tailstock.

 

quill.

tailstock quill.

2.

Debris was not removed from taper before

2.

Always make sure that taper surfaces are clean.

 

 

inserting into quill.

 

 

 

 

 

 

 

Cross slide, com-

1.

Gibs are out of adjustment.

1.

Tighten gib screw(s).

pound rest, or

2.

Handwheel is loose.

2.

Tighten handwheel fasteners.

carriage feed has

3.

Lead screw mechanism worn or out of adjust-

3.

Tighten any loose fasteners on lead screw mecha-

sloppy operation.

 

ment.

 

nism.

 

 

 

 

 

Cross slide,

1.

Gibs are loaded up with shavings, dust, or

1.

Remove gibs, clean ways/dovetails, lubricate, and

compound rest,

 

grime.

 

readjust gibs.

or carriage feed

2.

Gib screws are too tight.

2.

Loosen gib screw(s) slightly, and lubricate

handwheel is

 

 

 

bedways.

hard to move.

3.

Backlash setting too tight (cross slide only).

3.

Slightly loosen backlash setting by loosening the

 

 

 

 

locking screw and adjusting the spanner ring at the

 

 

 

 

end of the handle.

 

4.

Bedways are dry.

4.

Lubricate bedways and handles.

 

 

 

 

 

Bad surface fin-

1.

Wrong RPM or feed rate.

1.

Adjust for appropriate RPM and feed rate.

ish.

2.

Dull tooling or poor tool selection.

2.

Sharpen tooling or select a better tool for the intend-

 

 

 

 

ed operation.

 

3.

Too much play in gibs.

3.

Tighten gibs.

 

4.

Tool too high.

4.

Lower the tool position.

 

 

 

 

 

Inaccurate turn-

1.

Headstock and tailstock are not properly

1.

Realign the tailstock to the headstock spindle bore

ing results from

 

aligned with each other.

 

center line.

one end of the

 

 

 

 

workpiece to the

 

 

 

 

other.

 

 

 

 

 

 

 

 

 

Chuck jaws won't

1.

Chips lodged in the jaws.

1.

Remove jaws, clean and lubricate chuck threads,

move or don't

 

 

 

and replace jaws.

move easily.

 

 

 

 

 

 

 

 

 

Carriage won't

1.

Gears are not all engaged.

1.

Adjust gear positions.

feed.

2.

Gears are broken.

2.

Replace.

 

3.

Loose screw on the feed handle.

3.

Tighten.

 

 

 

 

 

-44-

G0492 12" X 36" Combo Lathe/Mill

Page 45 Page 47
Image 46
Page 45 Page 47
Contents Model G0492 12 X 36 Combo LATHE/MILL Page Table of Contents Warranty and Returns Foreword IntroductionContact Info Machine Data Sheet Other Specifications Identification G0492 12 X 36 Combo Lathe/Mill G0492 12 X 36 Combo Lathe/Mill Additional Safety Instructions for Lathe/Mills Glossary of Terms 220V Single-Phase Circuit RequirementsUnpacking Lifting SET UPSet Up Safety To unpack and move the lathe/millPackaged Accessories Figure Installed Accessories Figure QtyInventory Clean Up Site ConsiderationsOperation Safety Power Supply Lathe OperationsTo begin the test run & break-in procedure Test Run & Break-InTo remove and install the chuck or face plate Mounting the Chuck FaceplateReplacing the Jaws To remove a set of jawsTo install the four-jaw chuck Using the Four-Jaw ChuckTo load a workpiece in the four-jaw chuck To load a workpiece Using the FaceplateTo install the faceplate Make sure your clamping application will not failDrilling with Tailstock Using the TailstockTo install the MT#3 drill chuck To use the tailstockAligning Tailstock To setup the tailstock to cut tapersCutting Shallow Tapers with Tailstock To align the tailstockPage To install the MT#5 dead center in the spin- dle Faceplate and dead center setupUsing the Steady Rest Using the Follow To use the steady restUsing the Tool Post Using Compound RestTo set the angular position To determine and set the needed spindle RPM for cutting Using the Manual Feed HandwheelsSetting the Spindle Cutting Speeds for High Speed Steel HSS Cutting Tools= RPM Setting the Power Feed Rate Disconnect the LATHE/MILL from PowerSetup for Threading To setup for threadingChange Gear Chart To begin the start up procedure Mill OperationsPositioning Headstock Using the Mill TableTo position the spindle head vertically Removing Cutters Installing CuttersTo install a cutter in the spindle To remove a cutter from the spindleUsing the Mill To use the quillGeneral Cleaning MaintenanceBasic Maintenance General LubricationBelt Adjustment or Replacement To replace or adjust the V-beltsCross Slide Backlash Adjustment ServiceGib Adjustments Electrical Component and Connection Index See FigureContactor wiring KM1 Electrical ConnectionsMotor connection 220V Wiring Diagram Lathe controlsTroubleshooting Motor & ElectricalOperation and Work Results Troubleshooting H2689-R8 Quick Change Collet Set AccessoriesH4959-Coolant Dispenser Parts Series Parts ListElectrical Box Lathe Change Gear Housing Diagram 1000 Series Parts PS38M Leadscrew Gearbox Diagram 2700 Series Parts Cover Plate Thread Dial Diagram 302Spanner NUT M16-1.5 Compound Rest and Tool Post Diagram Female Knob 5/16-18 Parts BED Steady Rest and Follow Rest Diagram Pinned Knob Tailstock Diagram Steel Ball 8MM Apron Diagram PK81M Headstock Diagram PR12M EXT Retaining Ring 35MM Mill Column Diagram PLW05M Lock Washer 12MM Accessories and Labels Diagram THREE-JAW Chuck Warranty and Returns G0492 12 X 36 Combo Lathe/Mill Page
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G0492 specifications

The Grizzly G0492 is a versatile 12" dual-drum sander designed to enhance the woodworking experience for both hobbyists and professionals. This robust machine provides an exceptional combination of power, precision, and ease of use.

One of the standout features of the G0492 is its dual-drum design, which allows users to sand larger workpieces more efficiently than traditional single-drum models. This dual-drum configuration not only speeds up the sanding process but also ensures a more uniform finish. The machine supports a variety of sanding applications, making it suitable for different types of woodworking projects, from furniture making to cabinetry work.

Powered by a robust 3 HP motor, the G0492 delivers ample power to handle tough sanding tasks with ease. The variable speed control further enhances user flexibility, allowing for adjustments to accommodate varying wood types and grain patterns. This feature is particularly valuable when transitioning between softwoods and hardwoods, ensuring optimal sanding results.

Another noteworthy characteristic of the Grizzly G0492 is its user-friendly design. The machine includes a built-in digital thickness gauge that allows for precise adjustments, ensuring consistent thickness throughout the sanding process. This not only saves time but also minimizes the risk of damaging the workpiece.

Additionally, the G0492 is equipped with a dust collection system that efficiently captures sanding debris, promoting a cleaner workspace and enhancing air quality. This feature is essential in maintaining a safe and comfortable working environment, which is often overlooked in woodworking.

Durability is a hallmark of Grizzly tools, and the G0492 is no exception. Constructed with heavy-duty steel frames and components, this dual-drum sander is designed to withstand the rigors of daily use.

In summary, the Grizzly G0492 combines powerful performance, ease of use, and advanced features into a compact machine that meets the demands of serious woodworkers. Whether you are a professional working on large projects or a DIY enthusiast looking to enhance your craftsmanship, the G0492 will elevate your sanding experience, making it a valuable addition to any workshop.
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