Silencer; Replacement Guide Bar And Chain - Echo CS-620SX Manual Del Operador

Silencer

NOTE
Carbon deposits in silencer will cause drop in engine output.
The spark arrester screen must be checked periodically.
1. Silencer
2. Spark arrester screen
3. Screen cover
Remove the air cleaner cover and the spark plug lead.
Remove the spark arrester screen cover and the screen from the silencer body.
Clean carbon deposits from the silencer components.
Replace the screen if it is cracked, or has holes burned through.
Assemble the components in reverse order.

Replacement guide bar and chain

Length
Guide bar
cm
45 S45R73-64AA- ED
50 S50R73-72AA- ED
60 S60R73-84AA- ED
28
Sprocket rim
Chain
(Part number)
73LPX-64
3/8-7 31568
73LPX-72
(175033-14731)
73LPX-84
Clutch drum
(Part number)
(A556-001610)