Troubleshooting Guide
Sawing Problems
6
6-1
WMdoc072619
Troubleshooting Guide
SECTION 6 TROUBLESHOOTING GUIDE
6.1
Sawing Problems
WARNING!
Before performing service near moving parts such as
blades, pulleys, motors, belts and chains, first turn the key switch to
the OFF (#0) position and remove the key. If the key is turned on and
moving parts activated, serious injury may result.
PROBLEM
CAUSE
SOLUTION
Blades Dull Quickly
Dirty logs
Clean or debark logs, especially on
entry side of the cut
When grinding teeth, heating
too much and causing teeth to
soften
Grind just enough metal to restore
sharpness to the teeth. Use
water/coolant while sharpening blade
Poor sharpening techniques
Make sure the tip is being sharpened
completely (See Sharpener Manual)
Blades Break Prematurely
Poor sharpening techniques
See Sharpener Manual
Rubber belts on blade wheels
worn to a point that blade con-
tacts metal pulley - look for
shiny spots on edge of wheels
Change blade wheel belts (B-57)
Tension too tight
Tension blade to recommended
specifications
Blade Does Not Track Right
on Drive Wheel
Cant adjustment is incorrect
Readjust
Flat/worn belts
Replace B-57 belts
Blade Guides Do Not Spin
While Cutting
Frozen bearings
Replace bearings
Drive Belts Wear Prematurely
or Jump
Engine/motor and drive pul-
leys out of alignment
Align pulleys
.
Boards Thick Or Thin On
Ends Or Middle Of Board.
Stress in log which causes log
to not lay flat on the bed.
After log has been squared, take
equal cuts off opposing sides. Take a
board off the top. Turn the log 180
degrees. Take a board off. Repeat,
keeping the heart in the middle of the
cant, and making it your last cut.
Set in teeth.
Resharpen and reset blade.
Bed rails misaligned.
Realign sawmill.