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|1 i iiiii
SERVICE AND ADJUSTMENT
BRUSH
&
BLADE SHARPENING (Fig, 41)
DANGER:
ALWAYS STOP THE ENGINE BEFORE
SHARPENING A BLADE. THE BLADE WILL
CONTINUE TO SPIN AFTER THE ENGINE
STOPSOR AFTER THETHROTTLETRIGGER
HAS BEEN RELEASED. MAKE SURE THE
BLADE HAS STOPPED COASTINGAND DIS.
CONNECT SPARK PLUG 5EFORE PER-
FORMINGWORK ONTHE BLADE.
ALWAYS REPLACE A BLADE THAT IS
BENT, WARPED, CRACKED, OR DAMAGED
IN ANY OTHER WAY. NEVER ATTEMPTTO
STRAIGHTEN AND REUSE A DAMAGED
BLADE. USE ONLY THE SPECIFIED
REPLACEMENT BLADE.
WEAR PROTECTIVE GLOVES WHEN HAN-
DLING OR PERFORMING MAINTENANCE
ONTHE BLADE TO HELP AVOIDINJURY.
TOPREVENTTHE BLADE FROMCRACKING
OR FLYING APART AFTER SHARPENING,
DO NOT RLE WITHIN I/4 INCH OF THE
RADIISHOWN.
, Check bladesfor flatness periodically. Laytheblade
on a fiat surface and inspect the blade for flatness
before sharpening.Throw away any blade that is not
flat.
• File or grindeach edge in the same manner to main-
tain a balanced blade.
BRUSH BLADE
FiLE OR GRIND
BLADEASSHOWN
MAINTA_ RADIUS
IN THISAREA
SHARPENTHIS
AREA ONLY
MAINTAIN RADIUS
IN THIS AREA
WEED BLADE SHARPENING (Fig. 42)
• The 4 point, 8 inch blade is reversible. When the cut-
tingedgeon one sidebecomesdull,turnthe blade over.
When both sides of cutting edges become dull, the
blade may be resharpened,
• Check blades for flatness periodically. Laythe blade
on a flat surface and inspect the blade for flatness
- beforesharpening,throwaway anybladethatisnot Ilat.
• File or grind each edge in the same manner to main-
tain a balanced blade.
WEED BLADE _ FILEORGRIND EACH
EDGEINTHE SAME
MANNER TO MAINTAIN
A BALANCEDBLADE
O
1/4INCH
_--T--_l _ MAINTAINRADIUS
MAINTAINRADIUS'_"-"__._
AREAONLY
Figure 42
Figure 41
- 28 -
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