Instructions / Assembly
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© 1/2017 ECHO Inc.
CS-400 DESCRIPTION
22. OIL TANK CAP - For sealing the oil tank.
23. FRONT HANDLE - FOR THE LEFT HAND - Support handle located at the
front of the engine housing.
24. CYLINDER COVER - The cooling airflow grill. It covers the cylinder, spark
plug and silencer.
CHAIN SAW TERMS
1. FAST IDLE -Throttle setting that causes engine to operate at a faster
speed for easier starting.
2. THROTTLE LATCH - Device that sets idle speed to fast idle when choke
control is operated.
3. CHAIN BRAKE - Stops the saw chain.
4. DRIVE SPROCKET - Drives saw chain.
5. CLUTCH - Turns drive sprocket when engine rpm is fast enough to provide
the power needed for cutting.
Preparation For Use
Saw chain is sharp! Always wear gloves when handling assembly,
otherwise serious personal injury may result.
Note: The machine may be delivered with guide bar, tip
guard, and saw chain separated. Install guide
bar, tip guard, and saw chain as follows.
Tip Guard to Bar Instructions
Tools Needed: Two 11 mm (7/16 in.)
Wrenches. For saws with tip guard P/N
2893201 and Symmetrical or
Asymmetrical Low-Kick type (Double
Guard) guide bars.
1. Install bolt (A) in rear hole (B) of tip
guard and through front hole (C) in
guide bar.
2. IMPORTANT: Dimple (D) in tip guard
must engage recess (E) in guide bar.
3. Securely tighten nut (F) and bolt (A).
A
B
C
D
E
F