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USING THE POWER SHARP®SYSTEM (MODEL358.355071)
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Mode; 358.355071is equipped witha PowerSharp®
System that willperform approximately 80% of the
sharpening necessaryforthe saw chain. The Power
Sharp _ System utilizesa built-ingrinding stone to
sharpenthecuttertopplatesandsetdepthgauges.As
the buitt-insharpener is used,the cutter side plates
graduallywillbealtered.Aboutevery3rdto5thtimethe
PowerSharp® Systemisused,handfilingisrequired
to correct the cutter side plates and depth gauges,
• Sharpen the saw chain when:
--wood chipsbecomesrnall andpowdery.(Wood
chipsmadeby_ chainshourdbeaboutthesize
oftheteethofthe.chain.)
--saw cuts to-one side.
--saw has to be forced through the cuL
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A, AUTOMATIC SHARPENING
1. Stoptheengine.
2. Placesawonasolid, flatsurface;andmakesurethat
the chainwillnotcontactany object.
3. Adjustthechainwithpmpertenston.Referto"Chain
Tension:'
4. Start engine and operate at half throttle.
5. Press the Power Sharp_ Knob down until
you feel the sharpening stone lightly con-
tatting the chain. Figure 16.
6. Maintain constant, light pressure on the
Power Sharp® Knob while moving the knob
side to side for 5 seconds.
7. Release Power Sharp® Knob and stop
engine,
8. Inspect chain cutters,
NOTE: A proper/y sharpened cutter wil! show
grinding marks across its entire width. Figure
17.
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B., HAND FILING
Sharpen thesideplatesanddepthgaugesbyhandafter
every3rd to5th timethe PowerSharp® S_tstemisused.
• Replace the sharpening stone when a new
Power Sharp® chain is installed. See instruc.
tions, page 13.
Remove the sharpening stone if a standard or
conventional chain is substitutedfor the Power
Sharp® cl_ain. See instructions for removingthe
sharpeningStone and CarrierAssembly, page 13.
Use replacement chain for Model 358.355071
{22116"), Stock No. 71-3629.Followconventional
chainsharpeninginstructionsinthe"Maintenance"
section.
ICAUTION_Always wear gloves when handling
the chain. The chain can cut you even though
it |stoo du!l to cut wood.
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Figure16
TOPVIEW OF CUTTER
INSPECT CUTTERSFOR GRINDING MARKS
........ Figu-re17
Items Required:
Gloves Ratflle
5/32" dimfile Vise
File holder Screwdriver
" EROD
ON FILE HOLDER FLAT "l ,/"'_ _ROUND FILE
• ON TOP OF CUTTER _L..__L_'X_/
__. DEPTH
• TOP [,''"_ "'_._"_,_'." GA UGE
PLATE SIJE-'_"_>
PLATE ...........
Figure 18
NOTE: ifabrasivematerials sucllas rocks,nails,sandor
dirtarecontacted bytheChain,thes deplatesshouldbe
checkedmore often.Damage tothe cutterscausedby
abrasivematerials usuallyresultsin discolorationspots
wherethechromehasbeenwomaway.Cuttersidep!ares
shouldbe fileduntilthesespotsareremoved.
. r12 ,.
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