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I I II I • I I i i i IIIIIIIIIIIIIII[ . . . n JllllllllllllllllllI I I I II I I. I I II I • I I /
S_
HAND FILING--, Requiredafterevery3rdto5th
time the PowerSharp® Systemisusedtocorrectthe
side platesanddepthgauges,
NOTE: tf abrasive materials such as rocks, naits,
sand, or dirt are contactedby the chain, the side
plates should be checked more often. Damage
to the cutters caused by abrasive materials
usually results in discoloration spots where the
chrome has been worn away. Side plates should
OFFILEHOLDER"I_ _ aOUND FILE
ONTOPOF ____'_ _t ,,.'"
CUTTER
pLATE_ DEPTH GAUGE
TOP
SIDE PLATE "_
Ill=
be filed until these spots are removed.
Items Required: Gloves, 5/32" round file, Fite
holder, flat file, screwdriver, Vise.
1. Disconnect your saw from the power source.
2. Adjustthe chain for propertension. See "Chain
Tension:'
3, Clamp the bar in a vise to hold the chain
steady. Do not clamp the chain.
4. Support file holder with 5/32" round file on
cutter top plate and depth gauge. Figure 19.
NOTE: Work at the midpoint of the bar, mov-
ing the chain forward with the slotted ,end of
a screwdriver as each side plate is filed,
5, Hofd the file holder level with the 22° guide
mark parallel to guide bar. Figure 20.
6. File from inside toward outside of cutter in
one direction only -- 2 or 3 strokes per side
plate should be enough Figure 20.
NOTE: Avoid hitting the top edge of the cut-
ters when filing the side p_ate.
7. Maintain a 1132" side plate projection. Figure
21.
8. Filedepth gaugesaccordingtoinstructionsin"Guide
Barand Chain" in the MaintenanceSection.
C. IMPORTANT POINTS
ii ii iiill i iiii i
DI
,
12
1. Check the contact between the stone and
chain before advancing the Power Sharp _
Knob. If stone is contacting the chain, the
chain can be sharpened without advancing
the knob.
2. Do not advance the Power Sharp® Knob
more than one or two clicks at any one
sharpening. Otherwise, excessive wear to
the chain and sharpening stone can occur.
3. Note the flow of sparks visible during
automatic sharpening:
_A light flow of sparks indicates proper
sharpening.
--A heavy flow Of sparks or no sparks in-
dicates improper sharpening.
4. Keep all cutters the same length. The side
plates shou}d always bekept approximately
1132 of an inch longer than the top plate.
Figure 21.
5. Preserve the original cutter angles carefully
and uniformly.
6. Avoid hand filing into the bottom of the top
plates. Keep guide lines on file guide aligned
with the chain and guide bar.
." _':,'_ ' .._ - . -_ _,",I,, ; -
REPLACING OR REMOVING
THE SHARPENING STONE
I. Remove the two Bar Clamp Nuts and Bar
Clamp Housing.
2. Remove • the two screws holding the Stone
• and Carrier Assembly on the saw. Figure 22.
3. Unscrew Knob as shown in Figure 22.
4. Remove Clicker Ring and Spring.
5. Discard old assembly.
6. Install your Clicker Ring, Spring, anc! Power
Sharp ® Knob into new Stone and Carrier
Assembly.
Install entire assembly on your saw with the
two screws.
,
9.
POWER SHARP ®
KNOB
J CLICKER
Reinstal! Bar ClampHousing:andBarClampNuts.
Place stone in the operating position by turn-
ing the Power Sharp _ Knob counterclockwise
until it stops.
STONE ANO SCREW
SPRING
CARRIER l
ASSEMBLY ,L,
Figure 22
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