14.0Troubleshooting the PM1500 Band Saw

14.1Operational Problems

Table 5

Trouble

Table tilt does not hold position under load.

Table will not tilt.

Table vibration while sawing.

Surface finish on workpiece is rough.

Blade cutting inaccurately. Cuts not straight.

Blade cannot be tensioned properly.

Blade binds in workpiece.

Blade forms cracks at base of teeth.

Probable Cause

Remedy

 

 

Lock handle not tight.

Tighten lock handle.

 

 

Trunnion locking mechanism is broken

Replace trunnion locking mechanism.

or worn.

 

 

 

Trunnion not lubricated.

Lubricate trunnion.

 

 

Trunnion jammed.

Disassemble and replace jammed

 

parts.

 

 

Drive belt too slack.

Increase tension on drive belt (sect.

 

8.20). Replace belt if worn.

 

 

Incorrect choice of saw blade pitch.

Check blade selection chart and use

 

correct blade (sect. 13.0).

 

 

Saw dust or debris on band wheel. Or

Keep band wheels clean. Replace tires

tire is worn/damaged.

if necessary.

 

 

Blade pitch too coarse.

Change to finer pitch blade.

 

 

Workpiece being fed too strongly.

Reduce feed force.

 

 

Gum or pitch on blade.

Clean blade.

 

 

Worn blade teeth or damaged blade.

Replace blade.

 

 

Fence not parallel to blade.

Align fence properly (sect. 8.6).

 

 

Incorrect adjustment of blade guides.

Adjust blade guides properly (sect. 8.13

 

thru 8.15).

 

 

Workpiece being fed too strongly.

Reduce feed force.

 

 

Upper blade guides not located close

Position guides about 1/8” above

enough to workpiece.

workpiece.

 

 

Incorrect choice of saw blade for that

Install correct blade.

particular operation.

 

 

 

Blade tension too light.

Increase tension (sect. 8.11).

 

 

Tension spring is fatigued.

Replace tension spring (contact Walter

 

Meier service representative).

 

 

Incorrect blade tension or damaged

Correct accordingly.

blade.

 

 

 

Blade too wide for desired radius.

Select narrower blade (sect. 13.0).

 

 

Teeth not suitable for operation, or

Replace with proper blade.

incorrectly set.

 

 

 

Blade thickness not suitable for band

Replace with proper thickness blade.

wheel diameter.

 

 

 

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Powermatic operating instructions Troubleshooting the PM1500 Band Saw, Operational Problems