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HC-155
Maintenance Intervals
COMPONENT/SYSTEM
Daily or Before Use
Air Filter
Choke Shutter
Fuel System
Cooling System
Recoil Starter Rope
Screws/Nuts/Bolts
Blades
Every Refuel
Fuel System
Three Months
Air Filter
Fuel Filter
Fuel Cap Gasket
Spark Plug
Muffler Spark Arrestor
Cylinder Exhaust Port
Gear Housing
Yearly
Fuel Filter
Fuel Cap Gasket
IMPORTANT NOTE - Time intervals shown are maximum. Actual use and
your experience will determine the frequency of required maintenance.
MAINTENANCE PROCEDURE NOTES:
1 Apply lithium based grease every 25 hours of use.
2 Inspect blade, and clean and sharpen as needed. Lubricate blades
periodically during use.
3 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.
X7502259500
© 11/2017 ECHO Inc.
MAINTENANCE
PROCEDURE
Inspect/Clean*
(3)
Inspect
Inspect/Clean
Inspect/Clean*
Inspect/Tighten/Replace*
Inspect/Clean
(3)
Inspect
Replace*
Inspect*
Inspect/Clean/Replace*
Inspect/Clean/De-carbon
(1)
Grease
Inspect/Replace*
Replace*
MAINTENANCE
REQUIRED
SKILL LEVEL
1
2
1
(2)
1
1
1
2
1
25
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