Echo CS-450 - Manual (Page 21)

CS-450 OPERATION
© 09/2013 ECHO Inc.
X7503196706 21
Starting Warm Engine
Make sure the bar and chain are free from any obstruction
when starting the chain saw.
1. Move chain brake lever fully forward to lock chain brake
before starting.
2. Confirm there is fuel and chain oil in the tanks.
3. Move ignition switch to “RUN” position.
4. Securely hold the chain saw as shown and pull starter
handle.
5. Choke may be used if necessary, but after first starting
sound, squeeze throttle trigger to release choke and return
engine to idle.
Note: If engine does not start after 5 pulls, use cold start
procedure.
Note: Do not increase engine speed while chain brake is locked.
Severe brake damage will result.
Running
The saw chain should not move at idle, otherwise serious
personal injury may result.
Note: If saw chain moves adjust carburetor according to
“Carburetor Adjustment” instructions in this manual, or see
your dealer.
1. After engine starts, allow it to return to idle and warm up
before using.
2. Move chain brake lever fully rearward to unlock chain brake.
3. Squeeze throttle trigger (B) gradually and increase engine
speed.
4. The chain starts running when the engine reaches clutch
engagement speed (see technical data page).
5. Confirm proper acceleration and lubrication of chain and bar.
6. Do not run the engine at high speed unnecessarily.
Chain brake
Unlock Chain brake
A
B