Instructions / Assembly
MAINTENANCE CS-400
40 X7503255900
© 1/2017 ECHO Inc.
2. When the filter is dirty, replace it.
3. When the inside of the fuel tank is dirty, rinse the tank out with gasoline to 
clean it.
Note: Federal EPA regulations require all model year 2012 and later 
gasoline powered engines produced for sale in the United States 
to be equipped with a special low permeation fuel supply hose 
between the carburetor and fuel tank. When servicing model 
year 2012 and later equipment, only fuel supply hoses certified 
by EPA can be used to replace the original equipment supply 
hose. Fines up to $37,500 may be enforced for using an un-
certified replacement part.
Automatic Oiler
• The discharge volume of the automatic 
oiler is adjusted to approximately 4 mL/
min at 7000 r/min, prior to shipment 
from factory. 
• Always check oil discharge when in 
use. 
• Turn adjusting screw (A) 
counterclockwise to increase oil 
volume, clockwise to decrease oil 
volume. 
• Do not turn the adjusting screw beyond the maximum or minimum limit of 
volume adjustment.
Oil Filter
• Check periodically.
• Do not allow dust to enter into oil tank.
• A clogged oil filter (B) will affect the 
normal lubricating system.
1. Pull filter out through oil port, and 
inspect filter.
2. If the filter is dirty, wash it in gasoline 
or replace it.
3. When the inside of the tank gets dirty, rinse the tank out with gasoline to 
clean it.
A
Decrease
Increase
B










