Troubleshooting Guide
Sawing Problems
4
4-1
HDdoc012020
Troubleshooting Guide
SECTION 4 TROUBLESHOOTING GUIDE
4.1
Sawing Problems
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/cool-
ant while sharpening blade
Poor sharpening techniques
Make sure the tip is being sharpened
completely (See Sharpener Manual)
Blades Break Prematurely
Rubber belts on blade wheels worn to
a point that blade contacts metal pul-
ley - look for shiny spots on edge of
wheels
Change blade wheel belts (B-57)
Poor sharpening techniques
See Sharpener Manual
Tension too tight
Tension blade to recommended specifi-
cations
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
Stiff bearings
Grease bearings
Blade Does Not Stop Immedi-
ately After Disengaging
Brake strap too loose
Adjust brake strap
Drive Belts Come Off Pulleys
When Disengaging Blade
Brake strap too loose
Adjust brake strap
Brake drum misaligned
Realign on drive shaft
Brake strap tightened with one edge
too loose and one edge too tight
Adjust brake strap
Drive Belts Wear Prematurely
or Jump
Engine/motor and drive pulleys out of
alignment
Align pulleys