Maintenance; Chain Care; Chain Sharpening - Sears Craftsman 358.356091 Important Manual

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MAINTENANCE
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A good maintenance program of regular inspec-
tion and care will increase the service life and help
to maintain _he safety and performance of your
saw.
• Check the saw for loose bolts, screws, nuts,
and fittings on a regular basis. Loose fasten-
ers can cause an unsafe condition as well as
damage to your saw.
• Make all adjustments or repairs (except car-
buretor adjustments) with:
spark plug wire disconnected
B engine cool as opposed to a unit that has
just been run.
.......... AND ..........
A. GUIDE BAR CHAIN
Increase the service life of your Guide Bar and
Chain by:
--Using the saw propedy and as recommended
in this manual.
•--Maintaining correctChain Tension. See "Chain -.
Tension".
_. Proper lubrication.See 'Bar and Chain Lubricant".
Regular maintenance as desc.'ibed In this sec-
tion.
1. CHAIN MAINTENANCE
• Sharpen the chain when:
--wood chips are small and powdery. Wood
chips made by the saw chain should be
about the size of the teeth of the chain.
--saw has to be forced through the cut.
--saw cuts to one side.
ICAUTION:I Always wear gloves when handling
the chain. The chain is sharp enough to cut you
even though it is too dull to cut wood.
a. SHARPENING INSTRUCTIONS
Ite_ns required:
Gloves Medium Flat File
7/32" dis. file Depth Gauge Tool
6" file holder Vise
i:)
2.)
3.)
.
Stop engine and disconnect spark plug,
Adjust the chain for proper tension. See
"Chain Tension':
Work at the midpoint of the bar, moving the
chain forward by hand as each cutter is
filed.
) Sharpen cutters.
a.) Position flat side of file holder (with
7132" round file)on cu_er top plate and depth
gauge. Figure 39.
b. ) Hold the fite holder level with the 30 ° guide
mark parallel to the center of the chain.
Figure 40.
c.) File from inside toward outside of cutter,
straight across, on forward strokeronly.Use
2 or3 strokes per cutting edge. Figure 40,
d. ) Keep all cutters the same length. Figure 41.
e. ) Fileenoughtoremoveanydamagetocutting
edge(side & top plate) of cutter. Figure 41 •
f. ) File 72SG chain to meet specificationsshown
in Figure 42..
_ILWARNING 1
Have all chain saw se_ice with the exception of the
items listed in the maintenance section of this man-
ual performed by your Sears Service Center.
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FLAT SLIDE _ILE OF FILE HOLDER
Rgure 39
'KE , ...............
PARALLEL 30° MARKT.o _ CUi-tER4
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Rgure4O
TOP PLATE SIDE PLATE
Rgure 41
Figure 42
DEPTH GAUGE TOOL'
GAUGE
Rgure43 •
HOOK _fOO MUCH
&HGLE .02f' HOOK ANGLE
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_f _nOUNOEO
COF_NER
' 50UARED
OFF COF_NER
RIGHT WAY WRONG WAY
Figure 44
WARNING
Maintain the proper hook angle according to the
manufacturer's specification for the chain you are
using. Improperhookanglewigincreasethe chanceof
kickback which can result in serious injury
Figure 42 & 44