Echo CS-501P User Manual

CS-501P MAINTENANCE
X7503312804 45
© 01/20 ECHO Incorporated
Spark Plug
• Check periodically.
• The standard spark gap is 0.65 mm
(0.026 in.).
• Fastening torque: 15-17 N•m (130-
150 in•lbf).
1. Remove air cleaner cover and
remove spark plug.
2. Correct the spark gap if it is wider or narrower than the standard gap.
Check Fuel System
• Check before every use.
• After refueling, make sure fuel does not leak from around fuel pipe, fuel
grommet or fuel tank cap.
• In case of fuel leakage there is a danger of fire. Stop using the machine
immediately and request your dealer to inspect or replace.
Fuel Filter
• Check periodically.
• Do not allow dust to enter fuel tank.
• A clogged filter (A) will cause
difficulty in starting engine or
abnormalities in engine
performance.
1. Pull filter out through gas port,
and inspect filter.
Do not damage fuel line while removing fuel filter from tank.
2. When the filter is dirty, replace it as follows:
3. Do not remove the wire coil clamp to remove the fuel filter. Pinch the
fuel filter with the fingers on one hand and the fuel line with the other
hand. Pull and twist slightly to separate.
4. Install the new filter with the reverse action.
5. When the inside of the fuel tank is dirty, rinse the tank out with gasoline
to clean it.
0.65 mm (0.026 in.)
A

Echo CS-501P Specifications

General

Engine Displacement	50.2 cc
Chain Pitch	0.325 in
Chain Gauge	0.050 in
Bar Length	18 in
Fuel Capacity	0.5 liters
Oil Capacity	0.25 liters
Starting System	Recoil
Fuel Tank Capacity	0.5 liters
Oil Tank Capacity	0.25 liters
Weight (Powerhead Only)	10.6 lbs