Southbend SB1022, SB1021 manual Troubleshooting

Page 43

For Machines Mfg. Since 8/09

T R O U B L E S H O O T I N G

Model SB1021/SB1022

Symptom

Possible Cause

Possible Solution

Blade dulls

1.

Blade is improperly broken in.

1.

Replace blade, and complete blade break in

prematurely, or

 

 

 

procedure.

metal sticking to

2.

The blade gullets are loading up

2.

Use a blade that has larger gullets to carry out

the blade.

 

with chips.

 

material.

 

 

 

3.The blade TPI is too fine for the 3. Use a coarser-tooth blade, adjust feed rate, adjust

 

 

thick workpiece, and the teeth load

 

blade speed, make sure the brush is working.

 

 

up and overheat.

 

 

 

4.

The workpiece has hard spots,

4.

Replace the blade with a special blade for cutting

 

 

welds, or scale.

 

hardened materials.

 

 

 

 

 

Loud, repetitious

1.

Pulley set screws or keys are

1.

Inspect keys and set screws. Replace or tighten if

noise coming from

 

missing or loose.

 

necessary.

machine.

2.

Motor fan is hitting the cover.

2.

Adjust fan cover mounting position, tighten fan, or

 

 

 

 

 

shim fan cover.

 

3.

V-belts are defective.

3.

Replace V-belts.

 

 

 

 

 

 

 

 

 

 

Ticking sound

1.

Blade weld contacting blade guides.

1.

Grind blade weld down smaller.

when the saw is

2.

Blade weld may be failing.

2.

Cut and reweld the blade, or replace the blade.

running.

 

 

 

 

 

 

 

 

 

Blade wears on

1.

The blade guides are worn or mis-

1.

Re-adjust or replace the blade guides.

one side or shows

 

adjusted.

 

 

overheating.

2.

The blade support is inadequate.

2.

Tighten the blade guide as close to the workpiece as

 

 

 

 

 

possible.

3.Wheels are not coplanar.3. Adjust wheels so they are parallel and aligned.

 

4.

Dull or incorrect blade.

4.

Replace blade.

 

5.

Blade is bell-mouthed.

5.

Install new blade.

 

 

 

 

 

 

 

 

 

 

Vibration when

1.

Loose or damaged blade.

1.

Tighten or replace blade.

operating or

2.

Worn wheel bearing.

2.

Check/replace wheel bearing.

cutting.

 

 

 

 

3.Wheels are not coplanar.3. Adjust wheels so they are parallel and aligned.

4.

Wheel tires worn or incorrectly

4.

Replace or dress rubber tires.

 

installed.

 

 

5.

Bent or dull blade.

5.

Replace blade.

6.

Wheels out of balance.

6.

Replace wheels.

7.

Loose machine component.

7.

Tighten loose component.

8.

Belt has a high spot.

8.

Replace/adjust the V-belt.

9.Bandsaw blade wheel is bent or out 9. Check and replace for bad wheel or bearing. of balance.

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Contents Metal Cutting Bandsaw Manual Feedback UpdatesCustomer Service Scope of ManualTable of Contents About This Machine FeaturesCapabilities Oper ation IdentificationMachine Specifications Machine SpecificationsCutting Capacity 220V, 3-Phase Wheel Bearings Shielded and Permanently Lubricated Understanding Risks of Machinery Basic Machine SafetyF E T Y Additional Metal Cutting Bandsaw Safety Things Youll Need Preparation OverviewUnpacking Before cleaning, gather the following Cleaning & ProtectingBasic steps for removing rust preventative Location Leveling & Mounting Lifting & MovingLeveling Bolting to Concrete Floors AssemblyInspections Adjustments Initial LubricationSB1022 220V 3-Phase Power Source Power ConnectionSB1021 110V Prewired Power Source SB1021 220V Power SourceTo test run your machine Test RunOperation Overview Variable speed handwheel ControlsBlade Width Blade SelectionBlade Terminology Blade LengthTooth Type Tooth SetTo select the correct blade pitch Blade Pitch TPITo correctly tension the blade Blade ChangesBlade Tensioning To replace the bladeBlade Break-In Blade BreakageBlade Care & Break-In Blade CareChip Inspection Chart Blade Speed ChartTo properly position the guide post Adjusting Blade GuidesTo properly adjust the upper and lower blade guides Positioning Guide Post⁄16 To tilt the table forward or backward Tilting TableBlade Welding To tilt the table left or rightAbove 3⁄8 Blade ⁄4-3⁄8 Blade Correct Not Correct Correct Not Correct Cut and reweld Cleaning Maintenance ScheduleDressing Grinding Wheel Upper wheel leadscrew lubrication LubricationTo redress the rubber tires BeltsDressing Rubber Tires To check/tension/replace the V-beltsTo calibrate the table to zero To adjust the upper wheel for blade trackingBlade Tracking Table CalibrationTo align the guide post Guide Post AlignmentTo reduce the pinion gear backlash To adjust the lead screw collars to reduce backlashPinion Gear Backlash Leadscrew End Play Symptom Possible Cause Possible Solution TroubleshootingBlade Selection section beginning on Dull blade missing teeth Replace blade Troubleshooting Electrical Safety Instructions Wiring Diagram Color KEY Wiring OverviewWelding Unit SB1021/2 Control Panel & Welding UnitElectrical Panel SB1021 110V Electrical Panel, Motor & CordSB1021 220V Electrical Panel, Motor & Cord SB1022 220V Electrical Panel, Motor & Cord Electrical Component Pictures Welding Panel Power TransformerLower Frame Lower Frame Parts List Drive System PCAP40M Drive System Parts ListUpper Frame Upper Frame Parts List Table & Tensioning System Table & Tensioning System Parts List Cabinet Door Electrical CabinetWelder Welder & Control Panel Breakdown PSBLABEL13VS Door Injury Hazard Label Machine LabelsWarranty #TRCRBLTSJB12079
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