Troubleshooting; Operational Problems - Powermatic PM1500T Operating Instructions And Parts Manual

14.0 Troubleshooting

14.1 Operational Problems

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
Lock handle not tight.
Trunnion locking mechanism is broken
or worn.
Trunnion not lubricated.
Trunnion jammed.
Drive belt too slack.
Incorrect choice of saw blade pitch.
Saw dust or debris on band wheel. Or
tire is worn/damaged.
Blade pitch too coarse.
Workpiece being fed too strongly.
Gum or pitch on blade.
Worn blade teeth or damaged blade.
Fence not parallel to blade.
Incorrect adjustment of blade guides.
Workpiece being fed too strongly.
Upper blade guides not located close
enough to workpiece.
Incorrect choice of saw blade for that
particular operation.
Blade tension too light.
Tension spring is fatigued.
Incorrect blade tension or damaged
blade.
Blade too wide for desired radius.
Teeth not suitable for operation, or
incorrectly set.
Blade thickness not suitable for band
wheel diameter.
Blade sharpened incorrectly, becomes
overheated.
Table 5
Remedy
Tighten lock handle.
Replace trunnion locking mechanism.
Lubricate trunnion.
Disassemble and replace jammed parts.
Increase tension on drive belt (sect.
8.20). Replace belt if worn.
Check blade selection chart and use
correct blade (sect. 13.0).
Keep band wheels clean. Replace tires if
necessary.
Change to finer pitch blade.
Reduce feed force.
Clean blade.
Replace blade.
Align fence properly (sect. 8.6).
Adjust blade guides properly (sect. 8.13
thru 8.15).
Reduce feed force.
Position
workpiece.
Install correct blade.
Increase tension (sect. 8.11).
Replace tension spring (contact Walter
Meier service representative).
Correct accordingly.
Select narrower blade (sect. 13.0).
Replace with proper blade.
Replace with proper thickness blade.
Sharpen blade properly or replace.
28
guides about 1/8" above