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....CUSTOMER RESPONSiBiLiTiES
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P ace depth gauge tool over each cutter depth gauge,
le until it is level w th the top
of the
= Move on/stop switch to the "STOP" position
- Remove bar and chain from saw.
o Clean all saw dust and any other debris from the guide
bar groove and guide bar oil lubrication ho{e.
o Lubricate guide bar nose sprocket after each use,
,, Burring of bar rails is a normal process of guide bar rail
wear Remove these burrs by filing guide bar rail side
edges square with a flat file,,
025"
Rounded
Corner
Right Way
Figure 28
Figure 27
Maintain rounded front corner of depth gauge with a flat
file, The very top ofthe depth gauge should be flatwith
the front half rounded off with a flat file.
Squared
Off Cornel
Wrong Way
CHECK GUIDE BAR (Fig. 29 & 30)
A worn guide bar will damage the chain and make cutting
difficult, Check the condition of the _tuidebar each time the
chain is sharpened. Conditions include:
= Chain saw cuts to one side or at an angle_
o Chain saw has to be forced through the cut°
= Inadequate supply of oil to the bar and chain.
If replacement is necessary, use only the replacement re-
duced kickback guide bar specified for your saw, Replace
the guide bar when:
o the inside groove of the guide bar rails isworn.
• the guide bar is bent or cracked,
excess heating or burning of the rails is noted,
Correct Worn Grooves File Edges
Groove Squa re
Figure 29
Remove Sawdust
From Guide Bar Groove
o
o
Figure 30
CLEAN AIR FILTER (Fig. 31)
A dirty air filterdecreases the life and performance of the
engine and increases fuel consumption and harmful emis-
sions.
Always clean your air filter after 25 tanks of fuel or 5
hours of operation, whichever is tess. Clean more fre-
quently in dusty conditions_ A used air filter can never be
completely cleaned. It is advisable to replace your air til-
ter with a new one after every 50 hours of operation, or
annually, whichever is less..
° Loosen 3 screws on cylinder cover.
Remove cylinder cover
= Remove air filter.
° Clean the air filter using hot soapy water. Rinse with
clean cool water, and air dry completely prior to rein-
stalling
° Lightly oil air filter prior to installing. Use 2-cycle engine
oil or motor oil (SAE 30). Squeeze excess oil from filter
This will improve the efficiency of the air filter.
o Reinstall air filter
o Reinstall cylinder cover and 3 screws (15-20 in-lbs)
Air
Filter
Cylinder
Cover
Cylinder
Cover
Figure 31
-18-
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