Southbend SB1020 owner manual Troubleshooting

Page 36

Model SB1020

TROUBLESHOOTING

For Machines Mfg. Since 8/09

TROUBLESHOOTING

If you need replacement parts, or if you are unsure how to do any of the solutions given here, feel free to call us at (360) 734-1540.

Symptom

Possible Cause

Possible Solution

!

Machine does not

1. Power supply switched off/has

1. Switch power supply on/verify voltage.

start.

incorrect voltage.

 

2.Blown fuse/tripped circuit breaker 2. Correct the cause of overload, then reset/replace

at main panel.

fuse or breaker.

3.Plug or receptacle is corroded or 3. Clean/retighten contacts; correct the wiring. mis-wired.

4.Break or short in wiring; or loose 4. Trace/replace broken or corroded wires; fix loose

connections.

connections.

5.Motor 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.

Start capacitor blown or at fault.

7.

Replace start capacitor.

 

8.

Centrifugal switch at fault.

8.

Adjust/replace centrifugal switch.

 

9.

Motor at fault.

9.

Test for shorted windings, bad bearings and repair

 

 

 

 

or replace.

 

 

 

 

 

 

 

 

 

 

Main motor

1.

Extension cord (if used) is causing

1.

Move machine closer to the power source or use a

chatters during

 

voltage drop.

 

larger gauge or shorter extension cord.

startup or during

2.

Power supply has incorrect voltage

2.

Contact your power company to fix the power

operation.

 

on one or more legs.

 

supply.

 

 

 

 

 

 

 

 

 

 

 

 

 

Machine has

1.

Blade is missing teeth.

1.

Replace blade.

excessive vibration

2.

Guide post is loose.

2.

Tighten the guide post.

or noise.

3.

Motor or table is loose.

3.

Tighten any loose fasteners.

 

4.Machine incorrectly mounted on 4. Level/shim base; tighten/adjust mounting hardware

 

floor.

 

or feet.

5.

Centrifugal switch out of

5.

Adjust/replace centrifugal switch.

 

adjustment; at fault.

 

 

6.

Air is in the hydraulic system,

6.

Bleed hydraulic system.

 

causing the headstock to "hop".

 

 

7.Motor bearings worn or damaged. 7. Replace motor bearings or replace motor.

8. Wheel bearings are worn.

8. Replace wheel bearings.

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Contents Model SB1020 Updates Customer ServiceScope of Manual Manual FeedbackTable of Contents Features About This MachineCapabilities Identification IdentificationMachine Specifications Other Basic Machine Safety Understanding Risks of MachineryF E T Y Additional Metal Bandsaw Safety Power Supply Requirements Reparation OverviewThings Youll Need AvailabilityFor 110V Connection Prewired Circuit InformationCircuit Requirements for Grounding RequirementsUnpacking InventoryExtension Cords Cleaning & Protecting Before cleaning, gather the followingBasic steps for removing rust preventative Location Lifting & Moving Leveling & MountingLeveling Bolting to Concrete Floors Machine MountsPower Connection Machine SetupTo set up the machine Inspections Adjustments Test RunTo test run your machine OperationPERATIONOverview Description of Controls & Components Blade Selection Blade TerminologyBlade Length Blade WidthTooth Set Tooth TypeBlade Pitch TPI To select the correct blade pitchBlade Changes To change the blade on the bandsawBlade Tension Blade BreakageTo tension the blade on the bandsaw Most common causes of avoidable blade breakage areBlade Care & Break-In Downfeed RateDownfeed Pressure Blade CareBlade Speed Chart Chip Inspection ChartAngle Cuts Work StopCuts to the Right Cuts to the LeftTo adjust the blade guide Blade GuideVise Quick Release Workpiece HoldingCutting Fluid Cutting Fluid SystemTo use the cutting fluid system Operation Tips Coolant control valveAccessories SBL Gearhead T-Shirt SBL One Good Turn T-ShirtCleaning LubricationMachine Storage GearboxTo change the gearbox oil Troubleshooting Blade Selection section beginning on Troubleshooting To adjust the blade brush To adjust the angle stopsBlade Brush Angle StopsLimit Switches To adjust the blade tension switchTo adjust the headstock travel switch To adjust the downfeed stop boltDownfeed Stop Bolt Squaring Blade To square the blade to the tableT E S ElectricalL CTRICALSafety Instructions Wiring Diagram Color KEY220V Conversion To convert the Model SB1020 toElectrical ComponentsWiringWiring Diagram G110 VACWiring Component Locations Coolant pump motor locationCabinet & Base Cabinet & Base Parts List DescriptionHead Head Parts List Drive Wheel Machine Labels R R a N T Y Southbendlathe.com
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