Grizzly G0484 owner manual Service, Troubleshooting, Motor & Electrical

Page 28

Troubleshooting

SECTION 7: SERVICE

Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel- ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support at (570) 546-9663.

Troubleshooting

Motor & Electrical

Symptom

Possible Cause

Possible Solution

 

 

 

 

 

Motor will not

1.

Incorrect mill/drill operation.

1.

Use the spindle direction ON/OFF lever.

start.

2.

Main power panel switch is OFF.

2.

Turn the main power panel switch ON.

 

3.

Emergency switch is pushed in.

3.

Rotate emergency switch so it pops out.

 

4.

Circuit breaker or fuse has tripped.

4.

Seek an electrician to troubleshoot and repair the

 

 

 

 

shop power supply.

 

5.

No voltage or open connection.

5.

Test circuit, replace wires and connections as

 

 

 

 

required.

 

6.

Capacitor is at fault.

6.

Replace capacitor.

 

7.

Power switch or magnetic contactor is at

7.

Replace power switch or magnetic contactor.

 

 

fault.

 

 

 

8.

Transformer or fuse at fault.

8.

Replace transformer or fuse.

 

9.

Motor is at fault.

9.

Replace motor.

 

 

 

 

 

Fuses or circuit

1.

Short circuit in line cord or plug.

1.

Inspect cord or plug for damaged insulation and

breakers trip

 

 

 

shorted wires.

open.

2.

Short circuit in motor or loose connections.

2.

Inspect all connections on motor for loose or shorted

 

 

 

 

terminals or worn insulation.

 

3.

Incorrect fuses or circuit breakers in power

3.

Install correct fuses or circuit breakers.

 

 

supply.

 

 

 

 

 

 

 

Table is hard to

1.

Chips have loaded up on bedways.

1.

Frequently clean away chips that load up during

move.

 

 

 

milling/drilling operations.

 

2.

Ways, gibs, lead screw are at fault .

2.

Lubricate ways and lead screw, adjust gibs.

 

3.

Gibs are too tight.

3.

Loosen gib screw(s) slightly (Page 27).

 

 

 

 

 

Machine is loud

1.

Excessive depth of cut.

1.

Decrease depth of cut.

when cutting.

2.

RPM or feed rate wrong for operation.

2.

Refer to RPM feed rate chart (Page 19) for

Overheats or

 

 

 

appropriate rates.

bogs down in the

3.

Dull cutters.

3.

Sharpen or replace cutters.

cut.

 

 

 

 

 

 

 

 

 

Bad surface fin-

1.

Wrong RPM or feed rate.

1.

Adjust for appropriate RPM (Page 19) and feed

ish when milling.

 

 

 

rate.

 

2.

Dull tooling or tool not centered correctly.

2.

Sharpen tooling and/or center tool correctly.

 

3.

Headstock is loose.

3.

Tighten column way gib, lock down headstock lock

 

 

 

 

levers, and run milling operation with quill fully

 

 

 

 

retracted into headstock and locked in position.

 

4.

Too much play in gibs.

4.

Lubricate ways and tighten gibs.

 

5.

Vise or clamping hardware at fault.

5.

Vise or clamping fixture is worn, loose, or inadequate

 

 

 

 

for clamping task.

 

6.

Incorrect spindle speed or feed rate.

6.

Incorrect spindle speed or feed rate.

 

 

 

 

 

Gear change

1.

Gears not aligned in headstock.

1.

Rotate spindle by hand until gear falls into place.

levers will not

 

 

 

 

shift into position.

 

 

 

 

 

 

 

 

 

-26-

G0484 Gear Head Mill/Drill

Image 28
Contents Model G0484 Gearhead MILL/DRILL With Stand Page Table of Contents Foreword IntroductionContact Info Machine Data Sheet Milling Motor Identification G0484 IdentificationSafety Safety Instructions for MachineryKeep CHILDREN/VISITORS Away Additional Safety Instructions for Mill/Drills Machine Care and Maintenance220V Single-Phase Circuit RequirementsSetup Setup SafetyItems Needed for Setup UnpackingWell ventilated area G2544-Solvent Cleaner & Degreaser InventoryInventory Figure Qty Hex Wrenches, 4, 5, 6 mmPlacement Location Site ConsiderationsMoving & Placing Base Unit Floor LoadMounting to Shop Floor AssemblyTo assemble your mill/drill Test Run To perform the break-in procedure Break-InOperation Safety Control Panel OperationsTable Travel X-Axis Y-Axis Spindle Height ControlHeadstock Travel Axis Tooling Changes To remove tooling from the spindleChoosing Spindle Cutting Speeds for High Speed Steel HSS cutting toolsTo mill a workpiece Milling/DrillingRefer to Choosing Spindle RPM on Accessories H2689-R-8 Quick Change Collet SetG9324-Boring Head Combo Set G2861-Face Mill G4051-Carbide Insert for Face MillH3022-Measurement Tool Set G9765-9-PC. Ball End Mill SetG5641-1-2-3 Blocks G9815-Parallel Set H5556-Edge Finder Set Maintenance Cleaning ProtectingWeekly Maintenance ScheduleLubrication Ball OilersWays Longitudinal and Cross Lead ScrewsTo clean and lubricate the lead screw Headstock Lead ScrewHeadstock Gearbox Oil To change the headstock oilTroubleshooting ServiceMotor & Electrical Adjusting Gibs Headstock gib adjusting screws left Side of headstock shownDiagram 220V Single-PhaseElectrical Component Index Electrocution HazardSpindle motor rotary switch Left and right view Main wiring box G0484 Gear Head Mill/Drill Table Parts Breakdown Table Parts List DescriptionColumn Parts Breakdown Column Parts List Head Parts Breakdown, Part a Head Parts Breakdown, Part B Head Parts List Feed Base Label Placement Warranty and Returns Page Warranty Card CommentsGrizzly INDUSTRIAL, INC BOX BELLINGHAM, WAPage Order Hours a DAY
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G0484 specifications

The Grizzly G0484 is a highly regarded wood lathe that is designed for both novice and experienced woodworkers who seek to enhance their crafting capabilities. Built with robust features and advanced technologies, the G0484 is an ideal choice for those who appreciate precision, durability, and versatility in their tools.

One of the standout features of the Grizzly G0484 is its heavy-duty construction. The cast iron bed provides stability, ensuring minimal vibration during operation, which is crucial for achieving high-quality finishes on turned pieces. This solid foundation supports various workpieces, enabling users to create intricate designs with confidence. The lathe’s weight also contributes to its overall durability, making it a reliable addition to any workshop.

The G0484 boasts a powerful 1 HP motor, which delivers ample torque to handle a variety of turning tasks, from small projects like pens and bowls to larger items such as furniture legs. With a speed range of 600 to 3200 RPM, this wood lathe allows users to adjust the speed according to the needs of their specific project, ensuring optimum results for different materials and techniques.

Another notable aspect of the G0484 is its ease of use. The ergonomic design includes features such as a sliding tailstock and convenient access to the spindle lock, making adjustments swift and straightforward. Additionally, it comes equipped with a full-length tool rest that offers excellent support for various turning tools, allowing woodworkers to achieve smooth, consistent cuts with minimal effort.

The Grizzly G0484 also showcases innovative technology in its design, including the easy-to-use digital readout for the spindle speed. This feature ensures that users can quickly see and adjust speeds as needed, further enhancing precision in their work. Furthermore, the lathe is equipped with a versatile indexing system, enabling woodworkers to create evenly spaced features on their projects, such as flutes or designs.

In summary, the Grizzly G0484 wood lathe is a remarkable machine that combines strength, flexibility, and user-friendly features. Whether you are an aspiring artisan or a seasoned professional, the G0484 stands ready to meet your turning demands, making it a valuable asset in any woodworking shop. Its robust construction, powerful motor, adjustable speed range, and thoughtful design elements position it as a leader in the woodworking industry, offering endless possibilities for creativity and craftsmanship.