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

Symptom

Possible Cause

Possible Solution

 

 

 

 

 

Motor will not start

1.

Switch disabling key removed.

1.

Re-install switch disabling key.

or is slow to start.

2.

Break or short in wiring, loose connections,

2.

Trace/replace broken or corroded wires, fix loose

 

 

plug or receptacle is corroded or mis-wired.

 

connections, correct wiring.

 

3.

Power supply switched off/has incorrect

3.

Switch power supply on/verify voltage.

 

 

voltage.

 

 

 

4.

Blown fuse/tripped circuit breaker at main

4.

Correct the cause of overload, then reset/replace

 

 

panel.

 

fuse or breaker.

 

5.

Motor connection wired incorrectly.

5.

Wire motor correctly (refer to inside junction box

 

 

 

 

cover or manual).

 

6.

Motor ON/OFF switch at fault.

6.

Replace switch.

 

7.

Motor brake not disengaging.

7.

Test to see if disc spins freely. If it drags, replace

 

 

 

 

motor brake and regulator.

 

8.

Start capacitor has blown.

8.

Test/replace if at fault.

 

9.

Centrifugal switch at fault.

9.

Adjust/replace centrifugal switch.

 

10. Motor at fault.

10. Test for shorted windings or bad bearings; repair or

 

 

 

 

replace.

 

 

 

 

 

Machine has

1.

Workpiece loose or incorrectly secured.

1.

Use correct holding fixture and re-clamp workpiece.

excessive vibration

2.

Motor fan rubbing on fan cover.

2.

Fix/replace fan cover; replace loose or damaged

or noise.

 

 

 

fan.

 

3.

Motor mounting loose.

3.

Tighten mounting bolts/nuts; use thread locking

 

 

 

 

fluid.

 

4.

Lock lever is loose.

4.

Tighten the lock lever.

 

5.

Cabinet stand not level.

5.

Adjust feet as needed.

 

6.

Machine incorrectly mounted to cabinet.

6.

Level/shim base; tighten/adjust mounting hardware

 

 

 

 

or feet.

 

7.

Motor bearings worn or damaged.

7.

Replace motor bearings or motor.

 

 

 

 

 

Motor overheats.

1.

Motor brake not releasing.

1.

Test to see if sanding disc spins freely. If not,

 

 

 

 

replace motor brake and regulator.

 

 

 

 

 

Machine stalls or

1.

Too much pressure when feeding

1.

Reduce pressure when feeding workpiece.

slows when operat-

 

workpiece

 

 

ing.

2.

Workpiece is warped.

2.

Straighten workpiece or use a different one.

 

3.

Workpiece is incorrect for machine.

3.

Only sand wood and ensure moisture is below

 

 

 

 

20%.

 

4.

Motor connection wired incorrectly.

4.

Review wiring diagram on motor cover; correct wire

 

 

 

 

connections.

 

5.

Motor overheated.

5.

Let cool, clean motor, and reduce workload.

 

6.

Centrifugal switch at fault.

6.

Adjust/replace centrifugal switch if available.

 

7.

Motor at fault.

7.

Test, repair, or replace motor.

 

 

 

 

 

Motor takes longer

1.

Motor brake components at fault.

1.

Replace motor brake components. Call Tech

than 7 seconds to

 

 

 

Support if you need assistance.

stop sanding disc.

 

 

 

 

 

 

 

 

 

Miter bar binds in

1.

Miter slot dirty or gummed up.

1.

Carefully clean miter slot.

miter slot.

 

 

 

 

 

 

 

 

 

Workpiece angle

1.

Pointer or scale not calibrated correctly.

1.

Adjust pointer or scale to reflect real path of cut.

incorrect or out of

 

Miter gauge or table not correctly aligned.

 

 

square.

 

 

 

 

 

 

 

 

Model G0719 (Mfg. Since 10/10)

 

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Grizzly G0719 owner manual Service, Troubleshooting

G0719 specifications

The Grizzly G0719 is a versatile and robust milling machine designed for both hobbyists and professionals in the woodworking and metalworking industries. A perfect blend of power, precision, and portability, the G0719 has garnered a reputation for its high performance and user-friendly features.

One of the main highlights of the Grizzly G0719 is its impressive 1 HP motor, which supplies ample power for a variety of milling tasks. This machine operates on 120V, making it compatible with standard outlets, thus providing flexibility in where it can be used. The variable speed control allows users to adjust the RPM from 100 to 1,800, enabling the machine to handle various materials with ease.

The G0719 features a heavy-duty cast iron base, which ensures stability during operation and minimizes vibrations. This contributes to better precision and ultimately results in cleaner finishes on workpieces. The sizeable dovetail column is another notable characteristic that adds to the rigidity and accuracy of this milling machine, making it ideal for detailed and intricate machining tasks.

Equipped with a 6-inch quill travel range and a convenient manual feed, the G0719 empowers users to achieve precise height adjustments. The adjustable headstock allows for vertical movement, helping to facilitate a variety of machining angles. This flexibility is particularly beneficial for users who require versatility in their projects.

The G0719 also features a standard R8 spindle that accepts various tool holders, affording users endless options for tooling up according to their specific needs. The built-in work light is an advantage that enhances visibility, allowing for meticulous work, especially in low-light conditions.

Moreover, the machine includes a built-in coolant system, which helps manage heat during operation, thereby prolonging the tool life and offering users a more extended period of uninterrupted work.

Overall, the Grizzly G0719 milling machine combines robust construction, impressive features, and user-friendly technology, making it a valuable addition to any workshop. Its mix of power and precision, along with its adaptability for different milling tasks, positions it as a reliable choice for those looking to enhance their metalworking and woodworking capabilities. With this machine, users can expect professional results, whether they are tackling small projects or larger, more complex tasks.