Full Product Manual
CS-3510 MAINTENANCE
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© 8/20 ECHO Incorporated
Replacement guide bars.
The following guide bars may be considered to have equivalent kickback 
energy.
• Sprocket nose guide bars of the same length and nose radius, same pitch 
and having the same number of teeth.
• Hard nose guide bars of the same length and nose radius as a sprocket 
nose bar.
Saw Chain
(Low-kickback)
Only use saw chain designated as, “LOW-KICKBACK,” that 
meets ANSI B175.1 or CSA Z62.1, .3 Standard when tested on 
the representative sample of chain saws below 3.8 C.I.D., and 
ECHO guide bar specified.
MAINTENANCE
Moving parts can amputate fingers or cause severe injuries. 
Keep hands, clothing and loose objects away from all openings. 
Always stop engine, disconnect spark plug, and make sure all 
moving parts have come to a complete stop before removing 
obstructions, clearing debris, or servicing unit. Allow unit to 
cool before performing service. Wear gloves to protect hands 
from sharp edges and hot surfaces.
Operating a poorly maintained unit can result in serious injuries 
to operator or bystanders. Always follow all maintenance 
instructions as written, otherwise serious personal injury can 
result. 










