Woodstock W1770 manual Troubleshooting, Motor & Electrical

Page 59

W1770 21" Bandsaw w/Foot Brake

Troubleshooting

This section covers the most common problems and corrections with this type of machine. WARNING! DO NOT make any adjustments until power is disconnected and moving parts have come to a complete stop!

Motor & Electrical

PROBLEM

 

POSSIBLE CAUSE

 

corrective action

Machine does not start or a

1.

Key is turned to "0".

1.

Turn key to "1".

breaker trips.

2.

Stop/reset button engaged.

2.

Rotate clockwise until it pops out/replace.

 

3.

Plug/receptacle is at fault or wired

3.

Test for good contact or correct the wiring.

 

 

incorrectly.

 

 

4.Motor connection wired incorrect- 4. Correct motor wiring connections (Page 56). ly.

5.Thermal protection circuit breaker 5. Unplug machine, open magnetic switch cover, turn

 

amperage is set too low or motor is

 

amperage dial on Thermal Protection Circuit Breaker

 

at fault.

 

to a higher amperage setting. If switch is maxed out,

 

 

 

replace motor.

6.

Power supply is at fault/switched

6.

Ensure hot lines have correct voltage on all legs and

 

OFF.

 

main power supply is switched ON.

7.

Motor ON/OFF switch is at fault.

7.

Replace faulty ON/OFF switch.

8.Wiring is open/has high resistance. 8. Check for broken wires or corroded/disconnected connections, and repair/replace as necessary.

9. Start capacitor is at fault.

9. Test/replace if faulty.

10. Motor is at fault.

10. Repair/replace.

11.Wheel cover limit switch is not 11. Close wheel covers. closed, wheel covers are open.

12. Foot brake limit switch is at fault

12. Repair/replace limit switch, or stop pressing foot

 

or is pressed down (switch is not

 

brake.

 

 

closed).

 

 

 

 

 

 

 

Machine stalls or is under- 1.

Wrong workpiece material.

1.

Use wood with correct moisture content, without

powered.

 

 

glues, and little pitch/resins.

2.

Feed speed too fast for task.

1.

Decrease feed speed. See Basic Cutting Tips on

 

 

 

Page 34.

 

3.

V-belt slipping.

3.

Replace bad

V-belt, align pulleys, and re-tension

 

 

 

(Page 47 &

48).

4.

Blade is slipping on wheels.

4.

Adjust blade tracking and tension to factory specifi-

 

 

 

cations. See Page 17 or 22.

5.

Low power supply voltage.

5.

Ensure all hot lines have correct voltage on all

 

 

 

legs.

 

6.

Plug/receptacle is at fault.

6.

Test for good contacts and correct wiring.

7.

Motor connection is wired incor-

7.

Correct motor wiring connections (Page 56).

 

rectly.

 

 

 

8.

Motor bearings are at fault.

8.

Test by rotating shaft; rotational grinding/loose

 

 

 

shaft requires bearing replacement.

9.

Motor has overheated.

9.

Let motor cool, clean it off, and reduce workload.

10. Motor is at fault.

10. Repair/replace.

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SERVICE

Page 58 Page 60
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Page 58 Page 60
Contents OWNERS MANUAL Page Contents Functional Overview Woodstock Technical SupportMachine Specifications W1770 21 Bandsaw w/Foot Brake Controls and Features Safety Safety Always Lock Mobile Bases if Used Before Operating Machinery Additional Safety for Bandsaws Use push sticks whenever possible Use push blocks when necessaryExtension Cords Electrical Specifications220V Operation Description Qty Items Needed for SetupUnpacking Hardware and Tools InventoryBox Inventory Figure Qty Cleaning Machine Machine PlacementLifting the bandsaw 2x4 Lifting & MovingBolting to Concrete Floors Mounting to Shop FloorGuide Post Handwheel To install the fence, do these stepsFence Changes in the blade tension may change the blade tracking Blade TrackingTo center track the blade, do these steps To set the positive stop, do these steps Positive StopTo connect the dust collection hoses, do these steps Dust CollectionTo test run the machine, do these steps Test RunResetting the switch To tension the bandsaw blade, do these steps Adjusting Blade Guide Bearings onTensioning Blade To adjust the upper blade guides, do these steps Adjusting Blade Guide BearingsTo adjust the upper support bearing, do these steps Adjusting Support BearingsBlade aligned 0.016 away from Bearing edge Lower support bearing controls To adjust the lower support bearing, do these stepsCap screws securing table to Trunnion Aligning TableCap screws securing rail to Aligning FenceTo calibrate the miter gauge, do these steps Calibrating Fence PointerCalibrating Miter Gauge To calibrate the pointer, do these stepsEnough to slide on the resaw fence To install the resaw fence, do these stepsControl Panel GeneralBasic Controls Rear Controls Figure Front Controls FigureCutting wood with minor Warping Workpiece InspectionBandsaw is capable of performing the following cuts Cutting OverviewBasic Cutting Tips Guide Post Foot BrakeAligning Table on Page 27 and Aligning Fence on Fine Tune TrackingBlade Lead Correcting Blade LeadTo shift the table, do these steps To make a rip cut, do these steps Table TiltRip Cutting To tilt the table, do these stepsTo resaw a workpiece, do these steps CrosscuttingResawing To make a 90˚ crosscut, do these stepsTo complete a stacked cut, do these steps Cutting CurvesStacked Cuts Tooth Style Blade LengthBlade Width Most common causes of blade breakage are Tooth PitchBlade Care Blade BreakageTo replace a blade, do these steps Blade ChangesTo remove a blade, do these steps Lubrication CleaningTable & Base BrushesLubricant Frequency Quantity Tension Adjustment AssemblyBlade Guide Rack and Pinion To lubricate the trunnion, do these steps Table Tilt Rack and Pinion AssemblyTrunnion Tools Needed Checking and Tensioning BeltsChecking V-Belts Follow Steps 1-2 in Checking V-Belts on Tensioning V-BeltsReplacing V-Belts To adjust the tension lever, do these steps Adjusting Tension LeverTo adjust the brushes, do these steps Adjusting Wheel Blade BrushesFollow Steps 1-4 in Replacing V-Belts on Replacing Brake ShoeComponents and Hardware Needed To replace the brake shoeChecking Coplanarity Aligning WheelsGauge Shimming Upper WheelTo adjust the lower wheel, do these steps Adjusting Lower WheelElectrical Components Power supply terminal boxSee Figure Wiring DiagramSee , Motor & Electrical TroubleshootingCutting Tips on Machine OperationsLabels & Cosmetic Parts PartsBlade Guides-Cover Breakdown Parts Guide Post-Table Tilt BreakdownTable-Trunnion Breakdown Body Breakdown Capacitor Cover Body Parts ListMotor Cord 12AWG X 3C Resaw Fence Breakdown Comments Warranty RegistrationWoodstock international inc. p.o. box Bellingham, wa Warranty
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