Troubleshooting Guide
Sawing Problems
4
4-1 HDSdoc091108 Troubleshooting Guide
SECTION 4 TROUBLESHOOTING GUIDE
4.1 Sawing Problems
PROBLEM CAUSE SOLUTION
Blades Dull Quickly Dirty logs Clean or debark logs, espe-
cially 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 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)
Poor sharpening techniques See Sharpener Manual
Tension too tight Tension blade to recom-
mended 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
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 pul-
leys out of alignment
Align pulleys See Section 4.6
Engine/Motor and Drive Pul-
leys Alignment.
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