Echo SHR-210 - Manual (Page 14)

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Improper fuel is used Use fuel with correct mixing
ratio. Never use gasoline of
poor quality.
Spark plug defective (burnt) Replace.
As cooling fi ns clogged, air Clean fi ns.
does not pass well
Excessive deposits in Disassemble and remove
combustion chamber carbon.
Plug damaged or fouled Replace or clean.
Combustion poor due to Check wiring.
defective wiring
Carburetor overfl ow Refer to Table 1.
Air fi lter clogged Clean as necessary.
Compression insuffi cient Disassemble, check and
(piston ring stuck or worn replace if necessary.
out)
Cylinder chromium plating Replace cylinder.
peeled or worn out
Exhaust port clogged with Clean as necessary.
carbon
Throttle is not fully open Readjust.
Pump case/blade worn out Replace.
(Low pressure)
Chemical liquid line Replace.
defective
(Mechanical seal or packing
etc.)
Cracked spraying hose is Replace.
used
Nozzle orifi ce is too large Replace.
(Too much chemical is
released)
Chemical line is completely Clean.
clogged with dirt
Chemical tank is empty Refi ll.
Pump is damaged Replace.
Firing function defective
Engine overheated
Output (engine speed) insuffi
cient
Table 2
Engine k
eeps r
unning,
Carburetor defective
Other troubles
Spray is not a fi ne mist
No spray Output (engine speed) suffi
cient
WARNING DANGER
FUEL VAPORS ARE EXTREMELY FLAMMABLE AND MAY CAUSE FIRE AND/OR EXPLOSION. NEVER
TEST FOR IGNITION SPARK BY GROUNDING SPARK PLUG NEAR CYLINDER PLUG HOLE, OTHER-
WISE SERIOUS PERSONAL INJURY MAY RESULT.