Powermatic PWBS-14CS operating instructions Troubleshooting Operating Problems

Page 32

Troubleshooting – Operating Problems

Trouble

Table tilt does not hold position under load.

Table will not tilt.

Saw vibrates excessively.

Surface finish on workpiece is rough.

Saw blade cutting inaccurately. Cuts are not straight.

Probable Cause

Remedy

 

 

Table locking knobs are not tight.

Tighten locking knobs .

 

 

Trunnion is not lubricated.

Grease the trunnion.

 

 

Trunnion is jammed.

Disassemble and replace jammed

parts.

 

 

 

Stand is on uneven floor.

Re-position on flat, level surface.

 

 

Drive belt is too slack, or worn.

Increase tension on drive belt.

Replace belt if worn.

 

 

 

Motor plate screws or other hardware

Tighten all hardware.

on saw is loose.

 

 

 

Incorrect choice of saw blade pitch.

Check blade selection chart and use

correct blade.

 

 

 

Saw dust or debris on band wheel. Or

Keep band wheels clean. Replace

tire is worn/damaged.

tires if necessary.

 

 

Low shop voltage.

Contact a qualified electrician.

 

 

Saw blade speed is too low.

Increase speed.

 

 

Saw blade pitch is too coarse.

Change to finer pitch blade.

 

 

Blade mounted incorrectly.

Teeth should point downward.

 

 

Angle pointer not set correctly.

Check blade with square and adjust

pointer.

 

 

 

Table stop not adjusted correctly.

Check blade with square and adjust

stop.

 

 

 

Gum or pitch on blade.

Clean blade.

 

 

Worn blade teeth or damaged blade.

Replace blade.

 

 

Fence not parallel to blade.

Align fence properly (see page 17).

 

 

Miter gauge adjusted improperly.

Adjust miter gauge (see page 25)

 

 

Incorrect adjustment of blade guides.

Adjust blade guides properly (see

pages 24-25).

 

 

 

Workpiece being fed too strongly.

Reduce feed force.

 

 

Upper blade guides not located close

Guides should be about 3/16” above

enough to workpiece.

workpiece.

 

 

Incorrect choice of saw blade for that

Change to correct blade.

particular cutting operation.

 

 

 

Blade tension too light.

Increase tension (see page 22).

 

 

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Contents Powermatic Part No. M-1791216Warranty and Service Warranty PeriodTable of Contents Parts List Table and Trunnion Assembly Page Introduction Features and Specifications Volt Operation Disconnect the machine from the power sourceGrounding Instructions Extension Cords Recommended Minimum Gauge AWG of Extension CordsContents of the Shipping Container UnpackingCarton #2 Stand Refer to Figures 15 Installation and AssemblyMounting Band Saw to Stand Installing Drive Belt Refer to Figures 17 throughInstalling Main Table Installing Trunnion SupportInstalling Extension Table Refer to Figures 22 Installing Rear RailLeveling the Extension Table Installing Front Rail and Rip Fence Refer to Figures 29Aligning Fence to Blade Resaw Guide Blower NozzleWork Lamp Refer to Figures 33Installing Quick Tension Lever Riser Block AccessoryStand Attachments Dust CollectionAdjustments Adjusting 90 Table StopTilting the Table Refer to Figures 39Installing Blades Table Aligned with BladeBlade Tension Blade Tracking Guide Post and Upper Blade GuardUpper Bearing Guides Lower Bearing GuidesRefer to Figures 47, 48 Thrust BearingMiter Gauge Refer to Figures 51Maintenance On/Off SwitchBlade Selection WidthPitch ShapeBlade Breakage SetMaterial General Procedure OperationRipping CrosscuttingResawing Blade LeadTrouble Probable Cause RemedyTroubleshooting Operating Problems Trouble Optional Accessories Trouble Probable Cause RemedyBlade Selection Guide For Radius CuttingIndex No. Part No Description Size Qty Replacement PartsParts List Body Assembly Serial # 71210381 and higher Index No. Part No Description Size Qty Body Assembly Parts List Closed Stand Assembly 200MF 125VACClosed Stand Assembly Parts List Fence and Rail Assembly PWBS14-FAFence and Rail Assembly Parts List Table and Trunnion Assembly Parts List Miter Gauge Assembly Parts List Blade Tension Lever Electrical Connections for PWBS-14CS