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20
CS-670
Brake band
Adjuster
Direction
to tension
↓↓↓↓↓
↑↑↑↑↑
1 mm
Mark
Adjusting brake band
Adjuster
Brake band
Cover
FUEL FILTER
• Check periodically.
• Do not allow dust to enter fuel tank.
• Clogged filter will cause difficulty in starting
engine or abnormalities in engine performance.
• Pull the fuel filter out through fuel inlet port with a
piece of steel wire or the like.
• When the filter is dirty, replace it.
• When the inside of the fuel tank is dirty, rinsing
the tank out with gasoline can clean it.
OIL FILTER
• Check periodically.
• Do not allow dust to enter into oil tank.
• Clogged oil filter will affect the normal lubricating
system.
• Pull it out through oil filling hole with a piece of
steel wire or the like.
• If the filter is dirty, wash it in gasoline or replace
it.
• When the inside of the tank gets dirty, rinsing the
tank out with gasoline can clean it.
AUTOMATIC OILER
• The discharge volume of the automatic oiler is
adjusted to 8 mL/min approxmately at 7,000
r/min, prior to shipment from factory.
- To increase the delivery volume, turn the
adjusting knob clockwise.
When the knob touches stopper and stops,
this position indicates maximum discharge
volume. (15 mL/min at 7,000 r/min)
- Do not turn the adjusting knob beyond the
maximum or minimum limit of volume
adjustment.
ADJUSTING THE CHAIN BRAKE
When brake band is worn or elongated, adjust the
location of adjuster peak as follows.
• Remove the clutch cover.
• Remove the cover and side plate.
• Turn adjuster position to set its peak to the
correct tensioning location.
• Ensure that clutch drum can be turned freely by
hand when brake handle is in cutting position
(release position).
CAUTION
ECHO recommends that an authorized ECHO
servicing dealer should service the chain brake.
Oil filter
Fuel filer
Oil cap
Fuel cap
Decrease
Increase
Adjusting knob