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CLEANING
AND MAINTENANCE
NOTICE: Below are instructions
for ser-
vicing your chain saw. Any servicing
not
mentioned
below should be done by an
authorized
service center.
CLEANING
SAW BODY
_,
WARNING: Unplug chain saw from
power source beforeservicing. Severeinjury
or death could occur from electricN shock
or body contact with moving chain.
_
WARNING:
Cutting
edges on chain
are sharp. Use protective gloves
when
handling
chain.
aN
• lk WARNING: When cleaning saw body,
• do not submerge saw in any liquids
• do not use products that contain
am-
monia, chlorine,
or abrasives
• do not use chlorinated
cleaning
sol-
vents, carbon tetracMoride,
kerosene,
or gasoline
Keep saw body clegm.Use a soft cloth dampened witha
mild soap and water mixture. Wipe saw N_dyto clean.
CARE
OF GUIDE
BAR
Uneven bar wear causes most guide bar problems.
Incorrect sharpening of chain cutter and depth gauge
settings often cause this. When bar wears unevenly,
it widens guide bar groove (see Figure 18). This
causes chain clatter and rivet popping. Saw will not
cut straight. Replace guide bar if this occurs.
Inspect guide bar before shaq)ening chain. A worn or
demaged guide bguisunsafe. A worn or damaged guide
bar will demage chain. It will also make cutting hguder.
j_
Guide Bar Groove
\ \
Guide Bar
Y
Normal
Guide
Guide Bar With
Bar
UneveR
Wear
Figure 18 - Guide Bar Cross Section Showing
Uneven Bar Wear
Normal
Guide
Bar Maintenance
1. Remove guide bar flom chain saw.
2. Remove sawdust flom guide bar groove periodi-
cally. Use putty knife or wire (see Figure 19).
3. Clean oil slots after each day of use.
4. Remove burrs from sides of guide bar. Use flat
file to make side edges square.
Replace guide bar when
• bar is bent or cracked
• inside groove of bar is badly worn
Note: When replacing guide bar, see Ru)laceme_Tt
Partx and Accexsories for proper bar.
SHARPENING
SAW CHAIN
_lb WARNING: Unplug chain saw from
power source beforeservicing. Severeinjury
or death could occur from electrical shock
or body contact with moving chain.
WARNING: Cutting
edges on chain
are sharp.
Use protective
gloves when
handling
chain.
Keep chain sharp. Your saw will cut faster and more
safely. A dull chain will cause undue sprocket, guide
bar, chain, and motor wear. If you must `f_rce chain
into wood and cutting creates only sawdust with ,few
large chips, chain is dull.
z /
"
_ Burr
,,//
/
///
,,//
,-//
,,//
///
Flat File
,,, /
/
¢-//
///
-
Guide Bar
J/
/
Oil Slot
Figure 19 - Guide Bar Maintenance
16
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