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1
SHARPENING STONE REPLACEMENT
Fig. 19
INSTRUCTIONS (CONT'D.)
Model 358-350870 (Craftsman 2.1 PSI Only
Model 358-350880 (Craftsman 2.3 PS/VL) Only
Before installing guide bar and new chain, clean sides of
guide bar, side of guide bar mounting pad (where guide
bar mounting studs are located) and inside mounting pad
of bar clamp thoroughly. A wood chip or debris between
guide bar and mounting pads could cause chain teeth to
be sharpened long on one side and chain would cut side
wise. A stone improperly aligned will cause the same
problem.
Tighten chain tension until all tie straps (No. I, Figure I9)
rest on guide bar and when pulled at top, the bottom of the
drive links will pull up even with guide bar rail (No. 2,
Figure 19). Be sure chain hasthis tension anytime the chain
is being sharpened. Under normal conditions your chain
should be sharpened once after 2 or 3 tanks of fuel have
been consumed.
FILING INSTRUCTIONS
Model 358-350870 (Craftsman 2.1 PSI - 358-350880 (Craftsman 2.3 PS/VL) Only
1/4" PITCH TYPE 89
(For use on chain sawswith power sharp systems)
This chain was so designed that approx. 80% of the needed sharpening is accomplished by your saw'sbuilt-in-sharpener. While the
chain is being sharpened by the built-in-sharpener, the cutting edges of the cutters are gradually being altered. 89 series chain is
designed and engineered to efficiently cut wood. If rocks, nails, or other foreign materials are cut, more frequent sharpenings will be
required. Fig. 20
Fig.20 :
Top Plate Depth Gauge
Fig. 21
Side Plate :
Just before the 5th or 6th Power Sharp sharpening, the side
plates should be filed. This task can be done easily and
quickly with aSears file and guide No. 32-36516.
• Fig. 2!
In abnormal use, in sand, rocks and abrasive materials,
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. Cutter side plates should be filed until these spots
are removed.
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