Spark Plug Cover; Silencer; Replacement Guide Bar And Chain - Echo CS-2510TES Operator's Manual

Spark plug cover

1. Spark plug cover
2. Spark plug cover latch
3. T-wrench
Release the spark plug cover latch with T-wrench.
Inspect the spark plug, clean or replace if damaged.
Reinstall the spark plug and cover, engage latch with T-wrench.

Silencer

NOTE
Carbon deposits in silencer will cause drop in engine output.
The spark arrester screen must be checked periodically.
1. Silencer cover
2. Two bolts
Remove two bolts and the silencer cover.
3. Silencer
4. Spark arrester screen
Remove the spark plug lead.
Remove the spark arrester 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 cm Guide bar
20 C20S91-35SA-ET
25 C25S91-40SL-ET
30 C30S91-47ML-ET
20 C20H25-52CL-ED
25 C25H25-60CL-ET
Chain
91PX-35E
91PX-40E
91PX-47E
25AP-52E
25AP-60E
33
Clutch drum (Part number)
(A556-001720)
(A556-001710)