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CS-310
MAINTENANCE AND CARE
Your ECHO chain saw is designed to provide many hours of trouble free service. Regular scheduled maintenance will help your
chain saw achieve that goal. If you are unsure or are not equipped with the necessary tools, you may want to take your unit to an
ECHO Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF or have the ECHO Dealer do
it, each maintenance task has been graded. If the task is not listed ask your ECHO dealer for repairs.
MAINTENANCE INTERVALS
WARNING
Moving parts can amputate ngers 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 com-
plete 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.
SKILL LEVELS
Level 1 = Easy to do. Most required tools come with unit.
Level 2 = Moderate difculty. Some specialized tools may be required.
ECHO offers REPOWER™ Maintenance Kits and Parts to make your maintenance job easier.
COMPONENT/
SYSTEM
MAINTENANCE
PROCEDURE
REQ'D
SKILL
LEVEL
DAILY OR
BEFORE
USE
EVERY
REFUEL
3 MONTHS
OR 90
HOURS
YEARLY 600
HOURS
Air Filter Inspect/Clean
1
I / C * R *
Automatic Oiler Inspect/Adjust
1
I
Oil Filter Inspect/Replace
1
I I/C *
Fuel System Inspect/Replace
1
I (1) * I (1) *
Fuel Filter Inspect/Replace
1
I * I / R *
Fuel Cap Gasket Replace
1
I * R *
Guide Bar & Sprocket
Nose
Inspect/Clean/Lubricate
1
I / C * I
Saw Chain
Inspect/Sharpen/Replace/
Tensioning
2
I *
Sprocket Inspect/Replace
2
I *
Spark Plug Inspect/Clean
1
I / C / R *
Cooling System Inspect/Clean
2
I / C
Muffler Spark Arrestor Inspect/Clean/Replace
2
I / C / R *
Cylinder Exhaust Port Inspect/Clean/Decarbon
2
I / C
Recoil Starter Rope Inspect/Clean
1
I / C *
Screws/Nuts/Bolts Inspect/Tighten/Replace
1
I *
(1) Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity.
* Replacement is recommended based on the finding of damage or wear during inspection.
MAINTENANCE PROCEDURE LETTER CODES:
I = INSPECT, R = REPLACE, C = CLEAN
IMPORTANT NOTE
- Time intervals shown are maximum. Actual use and your experience will determine the
frequency of required maintenance.
MAINTENANCE PROCEDURE NOTES: