Troubleshooting (Mechanical)

Trouble

Saw arbor won’t run.

Caterpillar won’t move.

Workpiece slips.

Convex cut causes jointing failure.

Concave cut causes jointing failure.

Uneven product thickness at front and rear end.

Abnormal speed of link chain conveyor

Wood is not cut off.

Insufficient power causes blade to stop.

Finished cut not square.

Power light on, but machine won’t start.

Machine starts briefly then quits.

Probable Cause

Remedy

 

 

Saw arbor guard or rear guard not

Check and close guards.

closed.

 

 

 

Variable speed belt too loose, or

Adjust variable speed belt tension or

dropped.

replace belt. See page 11.

 

 

Pressure roller too high.

Lower the pressure roller.

 

 

Saw blade too dull.

Replace blade (page 10).

 

 

Fence is bumped.

Adjust fence (page 12).

 

 

Saw blade too dull.

Replace blade (page 10).

 

 

Fence is bumped.

Adjust fence (page 12).

 

 

Saw blade too dull.

Replace blade (page 10).

 

 

Fence is bumped.

Adjust fence (page 12).

 

 

No oil in lubricator.

Fill tank with oil (page 13).

 

 

Oil distributor jammed.

Blow off dust with air gun.

 

 

Variable speed belt loosened.

Adjust belt tension (page 11).

 

 

Saw blade position is too high to cut.

Lower saw blade 0.5 to 1.5mm below

surface of caterpillar (page 12).

 

 

 

Using same saw blade for trimming

Use correct saw blade.

and cutting off.

 

 

 

Saw arbor belt is loosened.

Adjust arbor belt tension.

 

 

Fence not square.

Square fence (page 12).

 

 

Damage caused by poor lubrication

Replace chain rail and chain block,

on chain rail and chain block.

and maintain proper oil level.

 

 

Emergency stop button not released.

Check pushbutton (page 9).

 

 

Safety door cover not closed.

Close door.

 

 

Overload relay tripped.

Replace R1.

 

 

Start switch not functioning.

Replace MS1, MS2.

 

 

Stop pushbutton malfunctioning.

Check PB2, PB3. Replace pushbutton

or replace magnetic switch.

 

 

 

Replacement Parts

Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-800-274-6848, Monday through Friday (see our website for business hours, www.powermatic.com). Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and accurately.

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Powermatic SLR12 manual Troubleshooting Mechanical, Replacement Parts