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CLEANING
AND MAINTENANCE
items Needed to Sharpen Chain
Purchase these items fiom your local dealer, hard-
ware store, or chain saw supplies outlet.
• 5132" round file
• Depth gauge tool
• File guide
• Vise
• Medium sized flat file
Sharpening
Cutters
Use file guide for 30 ° filing.
1.
Adjust
chain for proper
tension
(see Saw
Chain T_.nsion AdjustmetTt).
2.
Clamp guide bar in vise to hold saw steady.
Note: Do not clamp chain.
3.
Press 5132" round file (attached to file guide)
into groove between top plate and depth gauge
on chain. File guide should rest on both top
plate and depth gauge (see Figure 23). Note:
File at midpoint
of guide bar.
4.
Hold file guide level. Make sure 30 ° mark
on file guide is parallel to center of guide bar
(see Figure 22). This will insure that you file
cutters at 30 ° angle.
5.
File from inside
towards
outside
of cutter
until shall). Only file in this one direction (see
Figure 22). Note:
Two or three strokes with
file should sharpen cutter.
6.
Alter each cutter is sharpened,
move chain
forward to sharpen next cutter. File all cutters
on one side of chain.
7.
Move to other side of chain and repeat pro-
cess.
Filing Cutter Depth Gauges
The cutter depth
gauge clearance
is reduced
as
cutters are sharpened.
Alter eve U second or third
sharpening,
reset cutter depth gauges.
1. Place depth gauge tool (.025") firmly across
top of two cutters.
Make sure depth gauge
enters slot in depth gauge tool (see Figure
24).
2.
Use medium
flat file. File depth gauge level
with depth gauge tool.
3.
Remove depth gauge tool. With flat file, round
off fiont
corner of cutter
depth gauge (see
Figure 25).
After several hand filings, have authorized
service
center or sharpening
service
machine
sharpen
chain. This will insure even filing.
Replacing
Saw Chain
Replace chain when cutters are too worn to sharpen
or when chain breaks. Only use replacement
chain
noted in this manual. Always
include
new drive
sprocket when replacing chain. This will maintain
proper driving of chain. Note:
For proper chain
and drive sprocket,
see Ru)lacement
Putts and
Accessories.
Flat File
/
j
_%
Depth_
Depth Gaug_
Tool
_j/
Depth Gauge
"
,_ -'<-_/
Slot
Figure 24 - Depth Gauge Tool On Chain
Front Corner ,
.635 mm
Figure 25 - Round Off Front Corner Of Depth
Gauge
30° Guide Mark
1 Filing Direction
File Guide
5/32" Round
File
Note: This illustration shows file guide placement
and
filing direction
for sharpening
cutters on left side of
chain.
Figure 22 - File and File Guide Placement
On Chain
Depth Gauge (right
Depth Gauge (left
side of chain) --
side of chain),
_ /-_"_/_/,_
\,\
Groov%_#_21'
_
Groove \
/\
7:'/)/
\\ \
_
?_j_"
Top Plate (left ,, \\
/_F_
L/J_"
\,,
side of chain)
_
.4_'/_
,///
\
/'_ _;:2//_ LL_/
Top Plate
_
"_,
(right side of
_(//iJ
",..
chain)
Right Side of Chain
Figure 23 - Chain Part Locations
19
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