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120693
eleCTRIC CHAIN SAW
For more information, visit www.desatech.com
CLEANING SAW BODY
CleANING ANd
MAINTeNANCe
Guide Bar
With Uneven
Wear
Figure 17 - Guide Bar Cross Section
Showing Uneven Bar Wear
Guide Bar
Groove
Guide Bar
NOTICE: Below are instructions
for servicing your chain saw. Any
servicing not mentioned below
should be done by an authorized
service center.
WARNING: Unplug chain saw
from power source before servic-
ing. 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 con-
tain ammonia, chlorine, or
abrasives
• do not use chlorinated cleaning
solvents, carbon tetrachloride,
kerosene, or gasoline
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 17). This
causes chain clatter and rivet popping. Saw
will not cut straight. Replace guide bar if
this occurs.
Inspect guide bar before sharpening chain.
A worn or damaged guide bar is unsafe. A
worn or damaged guide bar will damage
chain. It will also make cutting harder.
Keep saw body clean. Use a soft cloth damp
-
ened with a mild soap and water mixture.
Wipe saw body to clean.
Normal Guide
Bar
Figure 18 - Guide Bar Maintenance
Flat File
Burr
Oil Slot
Cleaning Groove With
Putty Knife
Guide Bar
Normal Guide Bar Maintenance
1. Remove guide bar from chain saw.
2. Remove sawdust from guide bar groove
periodically. Use putty knife or wire.
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 Re-
placement Parts and Accessories, page 19,
for proper bar.