Grizzly H8259 owner manual Service, Troubleshooting

Page 27

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

 

 

 

 

 

 

Machine

does not

1.

Plug/receptacle is at fault or wired incor-

1.

Test for good contacts; correct the wiring.

start or

a breaker

 

rectly.

 

 

trips.

 

2.

Power supply is at fault/switched OFF.

2.

Ensure hot lines have correct voltage on all legs and

 

 

 

 

 

 

 

main power supply is switched ON.

 

 

3.

Lockout key is at fault.

3.

Install/replace lockout key; replace switch.

 

 

4.

Motor ON button or ON/OFF switch is at

4.

Replace faulty ON button or ON/OFF switch.

 

 

 

fault.

 

 

 

 

5.

Wiring is at fault.

5.

Check for broken wires or disconnected/corroded

 

 

 

 

 

connections, and repair/replace as necessary.

 

 

6.

Motor is at fault.

6.

Test/repair/replace.

 

 

 

 

 

Machine stalls or is

1.

Plug/receptacle is at fault.

1.

Test for good contacts; correct the wiring.

underpowered.

2.

Motor bearings are at fault.

2.

Test by rotating shaft; rotational grinding/loose shaft

 

 

 

 

 

requires bearing replacement.

 

 

3.

Motor has overheated.

3.

Clean off motor, let cool, and reduce workload.

 

 

4.

Motor is at fault.

4.

Test/repair/replace.

 

 

 

 

 

 

Machine

has vibra-

1.

Motor or component is loose.

1.

Inspect/replace stripped or damaged bolts/nuts, and

tion or noisy opera-

 

 

 

re-tighten with thread locking fluid.

tion.

 

2.

Motor fan is rubbing on fan cover.

2.

Replace dented fan cover; replace loose/damaged

 

 

 

 

 

 

 

fan.

 

 

3.

Workpiece or chuck is at fault.

3.

Center workpiece in chuck or face plate; reduce

 

 

 

 

 

RPM; replace defective chuck.

 

 

4.

Motor bearings are at fault.

4.

Test by rotating shaft; rotational grinding/loose shaft

 

 

 

 

 

requires bearing replacement.

 

 

 

 

 

 

Wood Lathe Operation

Symptom

Possible Cause

Possible Solution

Vibration noise

1.

Belt cover loose.

1.

Tighten the belt cover lock handle; if necessary

while machine

 

 

 

install a soft, vibration dampening material (between

is running; noise

 

 

 

the belt cover and the headstock casting.

changes when

2.

Belt cover bent or dented and is making

2.

Remove belt cover and inspect the inside for dents,

speed is changed.

 

contact with the motor pulley or belt.

 

bends, or indications of rubbing. Tap out the dent

 

 

 

 

with a rubber mallet, bend back into proper shape,

 

 

 

 

or shim belt cover away from the motor pulley.

 

 

 

 

 

H8259 10" x 18" Benchtop Lathe

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Image 27
Contents Model H8259 Page Table of Contents Introduction ForewordContact Info H8259 10 x 18 Benchtop Lathe H8259 10 x 18 Benchtop Lathe Identification H8259 10 x 18 Benchtop Lathe H8259 10 x 18 Benchtop Lathe Additional Safety for Wood Lathes 110V Operation Circuit RequirementsInventory SetupSet Up Safety Unpacking Box Contents Figure QtyClean Up Site ConsiderationsG7895-Grizzly Citrus Degreaser Assembly Test Run To assemble the latheTo test run the machine To change speeds Operation SafetyOperations Changing SpeedsOpen the side and rear access covers Figure To position the tool rest base along the bed Adjusting Tailstock Adjusting Tool RestTo adjust the tool rest To position the tailstock along the bedTo install the live center Installing/Removing Spur CenterInstalling/Removing Live Center To install the spur centerTo remove faceplate Removing/Installing FaceplateTo install faceplate To remove the live centerGouge Selecting Turning ToolsSpindle Turning To set up a spindle turning operationTo mount your workpiece to the faceplate Faceplate TurningTo mount your workpiece to a backing block Sanding/FinishingG1082-4-Jaw Chuck AccessoriesG1194-3-Jaw Chuck H7828-Tool Table PlusUnpainted Cast Iron MaintenanceCleaning ScheduleTo install new belt Changing BeltTo remove the old belt Troubleshooting ServiceSymptom Possible Cause Possible Solution Motor connections H8259 10 x 18 Benchtop Lathe H8259 Wiring DiagramMain Breakdown Description Main Breakdown Parts List101 103 104 102 105 106 Page Page Warranty and Returns