Echo CS-4000 User Manual

33
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
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
NOTE
Carbon deposits in silencer will cause drop in engine output.
The spark arrester screen must be checked periodically.
Length cm Guide bar Chain Clutch drum (Part number)
20 C20S91-35SA-ET 91PX-35E
(A556-001720)25 C25S91-40SL-ET 91PX-40E
30 C30S91-47ML-ET 91PX-47E
20 C20H25-52CL-ED 25AP-52E
(A556-001710)
25 C25H25-60CL-ET 25AP-60E

Echo CS-4000 Specifications

General

Brand	Echo
Model	CS-4000
Category	Chainsaw
Language	English