27 – English
damagearepresentintheareasindicated,havethe
drivesprocketreplacedbyaHARTServicedealer.
HOW TO SHARPEN THE CUTTERS
See Figures 33 - 34.
Becarefultofileallcutterstothespecifiedangles
andto the same length, as fastcutting can be
obtainedonlywhenallcuttersareuniform.
WARNING:
Thesawchainisverysharp,alwayswearpro-
tectivegloveswhen performingmaintenance
tothechaintopreventseriouspersonalinjury.
Properlytensionthechainpriortosharpening.
Refer to Adjusting the Chain Tension earlier in
thismanual.Doallofyourfilingatthemid-point
ofthebar.
Usea5/32in.diameterroundfileandholder.
Keepthefilelevelwiththetopplateofthetooth.
Donotletthefilediporrock.
Usinglightbutfirmpressure,stroketowardsthe
frontcornerofthetooth.
Liftfileawayfromthesteeloneachreturnstroke.
Putafewfirmstrokesoneverytooth.Fileallleft
handcuttersinonedirection.Thenmovetothe
othersideandfiletherighthandcuttersinthe
oppositedirection.Occasionallyremovefilings
fromthefilewithawirebrush.
WARNING:
Improperchainsharpeningincreasesthepo-
tentialofkickback,whichcanresultinserious
personalinjury.
WARNING:
Failuretoreplaceorrepairdamagedchaincan
cause serious injury.
NOTICE:
Adullorimproperlysharpenedchaincancause
excessiveenginespeedduringcutting,which
mayresultinsevereenginedamage.
MAINTENANCE
INCORRECT TOP PLATE FILING
ANGLE
MORE
THAN 30°
LESS
THAN 30°
30°
CORRECT TOP PLATE
FILING ANGLE
INCORRECT SIDE PLATE
FILING ANGLE
BACKWARD
SLOPE
HOOK
80°
CORRECT SIDE
PLATE FILING
ANGLE
RAKER CLEARANCE
.025 in.
Fig.37
FLAT FILE
DEPTH GAUGE JOINTER
RESTORE ORIGINAL
SHAPE BY ROUNDING
THE FRONT
FIG. 35
FIG. 36
FIG. 37
FIG. 38
FIG. 39