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.

 

 

 

 

 

 

 

 

 

 

 

 

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G0621 Wood/Metal Bandsaw

Page 40
Image 40
Grizzly G0621 owner manual Cutting Operations, Miscellaneous