Echo CS-501P User Manual

CS-501P MAINTENANCE
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© 01/20 ECHO Incorporated
Spark Arrestor Screen
Carbon deposits in muffler will cause drop in engine output and
overheating. Spark arrestor screen must be checked periodically.
1. Remove air cleaner cover and
remove spark plug lead.
2. Remove spark arrestor cover (A)
and screen (B) from muffler (C)
body.
3. Clean carbon deposits from
muffler components.
4. Replace screen if it is cracked, or
has holes burned through.
5. Assemble components in reverse order.
Note: When cleaning carbon deposit, be careful not to damage the
catalytic element inside muffler.
Setting The Saw Chain
Important points for proper maintenance of saw chain:
• Keep the cutters sharp at all times.
• Keep the left and the right cutters properly aligned.
• Note that blunt or irregular cutters will result in poor cutting performance,
increased vibration of chains and premature breakage of the saw chain.
A
B
C
Tie Strap
Right Hand Cutter
Drive Link
Preset Tie Strap
Left Hand Cutter
Top
Plate
Side
Plate
Depth
Gage
Guard
Link

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