Woodstock W1770 manual Machine Operations, Cutting Tips on

Page 60

SERVICE

 

 

 

 

W1770 21" Bandsaw w/Foot Brake

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Machine Operations

 

 

 

 

 

 

 

PROBLEM

 

POSSIBLE CAUSE

 

corrective action

Machine slows when oper- 1.

Feeding workpiece too fast.

1.

Reduce feed rate. See Basic Cutting Tips on Page

ating.

 

 

34.

2.

Blade is dull.

2.

Replace/sharpen blade (Page 43).

3.Brake is stuck or dragging on 3. Adjust foot brake. blade.

Ticking

sound when the

1.

Blade

weld

contacting support

1.

Use file or stone to smooth and round the back of

saw is running.

 

 

bearing.

 

 

the blade.

 

 

 

 

2.

Blade weld may be failing.

2.

Inspect and replace blade if necessary (Page 43).

Blade contacting

table

1.

Excessive side pressure when cut-

1.

Reduce side pressure.

insert.

 

 

 

 

ting.

 

 

 

Adjust table (Page 27).

 

 

 

 

2.

Table improperly adjusted.

2.

 

 

 

 

 

Vibration when cutting.

1.

Loose or damaged blade.

1.

Tighten or replace blade. See Page 43 or 22.

 

 

 

 

2.

Blade is tracking incorrectly.

2.

Fix blade tracking (Page 17).

 

 

 

 

3.

Blade tension is loose.

3.

Fix blade tension (Page 22).

 

 

 

 

 

Burn marks on the edge of

1.

Too much side pressure when feed-

1.

Feed workpiece straight into the blade. See Basic

the cut.

 

 

 

 

ing workpiece.

 

Cutting Tips on Page 34.

 

 

 

 

2.

Blade too wide for size of radius

2.

Install a smaller width blade/increase blade tension.

 

 

 

 

 

being cut.

 

 

See Page 22 or 43.

Machine

has

vibration or

1.

Blade weld hits guides or teeth are

1.

Replace blade (Page 43).

noisy operation when run-

 

broken.

 

 

 

Replace blade (Page 43).

ning.

 

 

 

2.

Bent or worn out blade.

2.

 

 

 

 

3.

Motor or component is loose.

3.

Inspect/replace stripped or damaged bolts/nuts,

 

 

 

 

 

 

 

 

 

and re-tighten with thread locking fluid.

 

 

 

 

4.

V-belt worn or loose.

4.

Inspect/replace belts with matched set (Page 48).

 

 

 

 

5.

Motor fan is rubbing on fan cover.

5.

Replace dented fan cover and loose/damaged fan.

 

 

 

 

6.

Pulley is loose.

6.

Realign/replace shaft, pulley, setscrew, and key as

 

 

 

 

 

 

 

 

 

required.

 

 

 

 

7.

Machine is incorrectly mounted or

7.

Adjust the feet on the bottom of the stand; relocate

 

 

 

 

 

sits unevenly on floor.

 

machine.

 

 

 

 

8.

Motor bearings are at fault.

8.

Test by rotating shaft—rotational grinding/loose

 

 

 

 

 

 

 

 

 

shaft requires bearing replacement.

 

 

 

 

9.

Worn arbor bearings.

9.

Check/replace arbor bearings.

 

 

 

 

10. Wheels

not

coplanar/aligned cor-

10. Adjust wheel alignment to coplaner (Page 52).

 

 

 

 

 

rectly.

 

 

 

 

 

 

 

 

11. Wheels out of balance.

11. Replace wheels.

Rough

or

poor

quality

1.

Feeding workpiece too fast.

1.

Reduce feed rate. See Basic Cutting Tips on Page

cuts.

 

 

 

 

 

 

 

 

34.

 

 

 

 

2.

Tracking and tension incorrect.

2.

Fix tracking and tension (see Page 17 and 22).

 

 

 

 

 

 

 

Sawdust

buildup

inside

1.

Clogged dust port.

1.

Clean out dust port.

cabinet.

 

 

 

2.

Low CFM (airflow) from dust collec-

2.

Three options:

 

 

 

 

 

tion system.

 

 

—Check dust lines for leaks or clogs.

 

 

 

 

 

 

 

 

 

—Move dust collector closer to saw.

 

 

 

 

 

 

 

 

 

—Install a stronger dust collector.

Blade wanders or won't fol-

1.

Blade lead.

 

1.

Refer to Blade Lead on Page 36.

low line of cut.

 

 

 

 

 

 

 

 

 

 

 

 

Brake does not slow or stop

1.

Bad shoes/pad is worn out.

1.

Replace brake pad (see Page 51).

machine.

 

 

2.

Limit switch is defective.

2.

Replace foot brake limit switch.

 

 

 

 

 

 

 

 

 

 

-58-

Image 60
Contents OWNERS MANUAL Page Contents Woodstock Technical Support Functional OverviewMachine 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 blocks when necessary Use push sticks whenever possibleElectrical Specifications 220V OperationExtension Cords Items Needed for Setup UnpackingDescription Qty Inventory Box Inventory Figure QtyHardware and Tools Machine Placement Cleaning MachineLifting & Moving Lifting the bandsaw 2x4Mounting to Shop Floor Bolting to Concrete FloorsTo install the fence, do these steps FenceGuide Post Handwheel Blade Tracking To center track the blade, do these stepsChanges in the blade tension may change the blade tracking Positive Stop To set the positive stop, do these stepsDust Collection To connect the dust collection hoses, do these stepsTest Run To test run the machine, do these stepsResetting the switch Adjusting Blade Guide Bearings on Tensioning BladeTo tension the bandsaw blade, do these steps Adjusting Blade Guide Bearings To adjust the upper blade guides, do these stepsAdjusting Support Bearings To adjust the upper support bearing, do these stepsBlade aligned 0.016 away from Bearing edge To adjust the lower support bearing, do these steps Lower support bearing controlsAligning Table Cap screws securing table to TrunnionAligning Fence Cap screws securing rail toCalibrating Fence Pointer Calibrating Miter GaugeTo calibrate the pointer, do these steps To calibrate the miter gauge, do these stepsTo install the resaw fence, do these steps Enough to slide on the resaw fenceGeneral Basic ControlsControl Panel Front Controls Figure Rear Controls FigureWorkpiece Inspection Cutting wood with minor WarpingCutting Overview Basic Cutting TipsBandsaw is capable of performing the following cuts Foot Brake Guide PostFine Tune Tracking Blade LeadCorrecting Blade Lead Aligning Table on Page 27 and Aligning Fence onTo shift the table, do these steps Table Tilt Rip CuttingTo tilt the table, do these steps To make a rip cut, do these stepsCrosscutting ResawingTo make a 90˚ crosscut, do these steps To resaw a workpiece, do these stepsCutting Curves Stacked CutsTo complete a stacked cut, do these steps Blade Length Blade WidthTooth Style Tooth Pitch Blade CareBlade Breakage Most common causes of blade breakage areBlade Changes To remove a blade, do these stepsTo replace a blade, do these steps Cleaning Table & BaseBrushes LubricationTension Adjustment Assembly Blade Guide Rack and PinionLubricant Frequency Quantity Table Tilt Rack and Pinion Assembly TrunnionTo lubricate the trunnion, do these steps Checking and Tensioning Belts Checking V-BeltsTools Needed Tensioning V-Belts Replacing V-BeltsFollow Steps 1-2 in Checking V-Belts on Adjusting Tension Lever To adjust the tension lever, do these stepsAdjusting Wheel Blade Brushes To adjust the brushes, do these stepsReplacing Brake Shoe Components and Hardware NeededTo replace the brake shoe Follow Steps 1-4 in Replacing V-Belts onAligning Wheels Checking CoplanarityShimming Upper Wheel GaugeAdjusting Lower Wheel To adjust the lower wheel, do these stepsPower supply terminal box Electrical ComponentsWiring Diagram See ,See Figure Troubleshooting Motor & ElectricalMachine Operations Cutting Tips onParts Labels & Cosmetic PartsBlade Guides-Cover Breakdown Guide Post-Table Tilt Breakdown PartsTable-Trunnion Breakdown Body Breakdown Body Parts List Capacitor CoverMotor Cord 12AWG X 3C Resaw Fence Breakdown Warranty Registration CommentsWoodstock international inc. p.o. box Bellingham, wa Warranty