Grizzly G0621 owner manual Cutting Operations, Miscellaneous

Page 40

Cutting Operations

Symptom

Possible Cause

Possible Solution

Machine slows

1.

Feeding workpiece too fast.

1.

Reduce feed rate.

when operating.

2.

Blade is dull.

2.

Replace blade (Page 33).

 

 

 

 

 

Ticking sound

1.

Blade weld contacting guide/support bearings

1.

Use file or stone to smooth and round the back of the

when the saw is

 

(a light tick is normal).

 

blade; slightly loosen the blade guides.

running.

2.

Blade weld may be failing.

2.

Inspect and replace blade if necessary (Page 33).

 

 

 

 

 

 

Blade contacting

1.

Insert installed upside down or backwards.

1.

Re-install insert a different way.

table insert.

2.

Table improperly mounted or aligned.

2.

Align table (Page 23).

 

 

 

 

 

Vibration when

1.

Loose or damaged blade.

1.

Tighten or replace blade (Page 33).

cutting.

2.

Sawdust buildup on wheels.

2.

Clean all sawdust from rubber tires on wheels.

 

 

 

 

 

Burn marks on

1.

Too much side pressure when feeding

1.

Feed workpiece straight into the blade. See Basic

the edge of the

 

workpiece; blade is binding.

 

Cutting Tips on Page 25.

cut.

2.

Blade too wide for size of radius being cut.

2.

Install a smaller width blade/increase blade tension.

 

 

 

 

 

See Page 33 or 19.

 

 

 

 

 

Rough or poor

1.

Feeding workpiece too fast.

1.

Reduce feed rate.

quality cuts.

2.

Blade guides adjusted incorrectly.

2.

Re-adjust all blade guides and support bearings.

 

 

 

 

 

Sawdust buildup

1.

Clogged dust port.

1.

Clean out dust port.

inside cabinet.

2.

Low CFM (airflow) from the shop vacuum.

2.

Three options:

 

 

 

 

—Check dust hoses for leaks or clogs.

 

 

 

 

—Connect saw to a more powerful shop vacuum.

 

 

 

 

 

Blade wanders

1.

Blade lead.

1.

Refer to Blade Lead on Page 41.

or doesn't cut

2.

Sawdust buildup on wheels.

2.

Clean all sawdust from rubber tires on wheels.

straight.

 

 

 

 

Cuts are

1.

Table tilt is not adjusted to 0˚ or positive stop

1.

Adjust table tilt to 0˚; readjust positive stop if neces-

not square

 

has moved out of adjustment.

 

sary (Page 22).

(vertically).

2.

Table tilt scale pointer is not calibrated.

2.

Calibrate table tilt scale pointer to 0˚ (Page 22).

 

 

3.

Table is not square to the blade.

3.

Shim table (Page 41).

 

 

 

 

 

Miscellaneous

Symptom

Possible Cause

Possible Solution

 

 

 

 

 

Blade tension

1.

The spring in the blade tension mechanism

1.

Replace spring in the blade tension mechanism,

scale is grossly

 

has lost its "spring." This is caused by not

 

then take better care of the bandsaw by releasing

inaccurate.

 

releasing the blade tension when not in use or

 

tension when not in use and not over-tensioning the

 

 

 

 

 

frequently over-tensioning the bandsaw.

 

blade.

 

 

 

 

 

Wheel is noisy.

1.

Wheel bearing is worn out.

1.

Replace the wheel bearing.

 

2.

Belt is too tight (lower wheel).

2.

Check/loosen the belt tension (Page 39).

 

 

 

 

 

Blade does

1.

Wheels are not coplanar or aligned with each

1.

Adjust wheels to be coplanar/aligned with each other

not track

 

other.

 

(Page 42).

consistently,

2.

Rubber tires on wheels are worn out.

2.

Redress the rubber tires on the wheels (Page 36);

correctly, or at

 

 

 

replace the rubber tires on the wheels.

all.

 

 

 

 

 

 

 

 

 

 

 

 

-38-

G0621 Wood/Metal Bandsaw

Page 39 Page 41
Image 40
Page 39 Page 41
Contents Model G0621 WOOD/METAL Bandsaw Page Table of Contents Foreword IntroductionContact Info Machine Data Sheet G0621 Wood/Metal Bandsaw Identification Safety G0621 Wood/Metal Bandsaw Additional Safety Instructions for Bandsaws 220V Single-Phase Circuit RequirementsSetup Setup SafetyItems Needed for Setup UnpackingMain Components Figure Qty InventoryFasteners and Tools not shown Qty Hardware Recognition Chart Clean Up Placement LocationSite Considerations Floor LoadAssembly To assemble the bandsawPage Dust port installation G0621 Wood/Metal Bandsaw To connect a vacuum hose Dust Collection Blade TrackingTo center track the blade Test Run Changes in the blade tension may change the blade trackingAdjusting Support Bearings To adjust the support bearingsTensioning Blade To tension the bandsaw bladeG0621 Wood/Metal Bandsaw Adjusting Blade Guides To adjust the upper and lower blade guidesAdjusting Positive Stop Setting Table Tilt Scale to 0˚To set the positive stop 90˚ to the blade To calibrate the pointer on the table tilt scaleAligning Table Aligning FenceTo align the miter slot parallel to the bandsaw blade To align the fence parallel with the miter slotOperation Safety Basic Controls OperationsWorkpiece Inspection Wood OverviewStraight Cuts Irregular CutsTable Tilt Guide PostTo tilt the table Positive stop must be removed to move the table to the leftTo make a rip cut RippingCrosscuttingTo make a 90˚ crosscut Resawing Typical resawing operationCutting Curves Stacked Cuts To complete a stacked cutBlade Selection Wood Cutting Blade LengthBlade Width Tooth StyleTooth Pitch Blade CareBlade Breakage Most common causes of blade breakage areBlade Selection Metal Cutting To select the correct blade TPIBlade Changes To replace the bladeScale Calibration To calibrate the scaleAccessories Grizzly Bandsaw BladesG7315-Super Heavy-Duty Mobile Base G1928-Bandsaw HandbookMaintenance CleaningSchedule LubricatingTroubleshooting ServiceMotor & Electrical Cutting Operations MiscellaneousServicing V-Belts Accessing V-BeltsChecking V-Belts Tensioning/Replacing V-Belts To shim the table Shimming Table Blade LeadTo skew your fence Wheel Alignment Verifying Upper/Lower Wheels are CoplanarTo adjust the lower wheel Adjusting Lower WheelShimming Upper Wheel Electrical Component Wiring Motor junction box wiringWiring Diagram Breakdown Main Parts List DescriptionTable/Blade Guides Parts Breakdown Secondary Parts Breakdown Stand Parts Breakdown Fence Parts Breakdown Safety Labels Parts Breakdown Warranty and Returns Page Page Page
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