Sears 358.356090-3.7/20" Chainsaw User Manual


 
B. HAND FILING
Sharpen the side ptates by hand after every 3rd
to 5th time the Power Sharp® System is used.
items Required:
Gloves flat file
5/32" file vise
file holder
NOTE: If abrasive materials such as rocks, nails,
sand or dirt are contacted by 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. Cutter side plates
should be filed until these spots are removed.
.: 1. Stop the engine.
2. Adjust the chain fo r proper tension ,page 8.
3. Clamp the bar in a vise to-hold the chain
steady. Do not clamp the,chain.
NOTE:Work.at the midpoint of the bar, mov-
. . ingTthe chain forward with a screwdriver as
each cutter is filed,:.
FLAT SIDE "
OF FILE HOLDER
ON TOP OF CUTTER Topic
HOLD FILE
HOLDER LEVEL 22°
4, Support the square rod on the file holder (with
5/32" round file)on cutter top plate. Figure 21.
.... ,
WITH THE 22°
GUIDE MARK
PARALLEL TO.
GUIDE BAR
5. Hold the file holder level with the 22 ° guide
mark parallel to guide bar. Figure 22.
- 6. File from inside toward outside of cutter in
one direction only -- 2 or 3 strokes per side
plate edge should be enough. Figure 23.
NOTE: Avoid hitting the top edge of the cut-
ters when filing the side plate.
7. Maintain a 1132" side plate projection. Figure
24. _
File all side plates on one side of the chain,
then move to the other side of bar and file re-
maining side plates.
C. REPLACE OR REMOVE THE
: 1.
2.
3
4.
STONE ANDCARRIER ASSEMBLY
Remove Carburetor Cover and Bar Clamp.
Remove the; two:screws which hold cartridge
assembly to crankcase. Figure 25.
Discard old assembly.
Install new cartridge assembly.
NOTE: Be careful not to tet the Slide Button
fall out.
:5. Reinstall Carburetor Cover and Bar Clamp.
ND FILE
_'_,k-.,_ DEPTH
PLATE _AUGE
SIDE PLATE
Figure 21
Figure 22
r
Figure23
SIDE
PLATE l i
I o
TOP / _- 22
PLATE /
TOP VIEW
OF CUTTER
I
SIDE PLATE
PROJECTION_
1132"
MAXIMUM
Figure 24 .........
STONE .....
CARTRIDGE
ASSEMBLY
13