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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
_I,
WARNING: Unplug chain saw from
power source before servicing. Severe injury
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.
_'_
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 N_dy dean. Use a soft cloth &tmpened with a
l_ld soap and water mixture. Wipe saw body to degm.
CARE
OF GUIDE
BAR
Uneven bar wear causes most guide bar problems.
Incorrect shaq)ening
of chain cutter and depth gauge
settings often cause this. When bar wears unevenly,
it widens
guide bar groove
(see Figure
16). This
causes chain clatter and rivet popping.
Saw will not
cut straight. Replace
guide bar if this occurs.
Inspect guide bgu belbre shaq)ening chain. A worn or
dgunaged guide bar is unsafe. A worn or damaged guide
bgu will dgunage chain. It will also make cutting harder.
/
/
/
/
/
/
/
/
/
..................
Guide Bar Groove
Guide Bar
1
\'
Normal Guide
Bar
1
Guide
Bar With
Uneven
Wear
Figure
16 - Guide Bar Cross
Section
Showing
Uneven Bar Wear
Normal Guide Bar Maintenance
1. Remove guide bar from chain saw.
2.
Remove sawdust from guide bar groove periodi-
cally. Use putty kni% or wire (see Figure
17).
3.
Clean oil slots alter 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 Replaceme_Tt
Part.r a_ld Acce.r.rorie.r for proper bar.
j.JJ
Flat File
_//_ /Burr
/A
/A
/A
//1
/A
/A
/A
/A
/A
.....Guide Bar
/.4
/.4
/.4
Cleaning Groove
With Putty Knife
//
_Oil
Slot
Figure 17- Guide Bar Maintenance
SHARPENING
SAW CHAIN
_lb WARNING: Unplug chain saw from
power soume 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 force chain
into wood and cutting creates only sawdust
with few
large chips, chain is dull.
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