14
SPARK PLUG
• Check periodically.
• Gap = 0.65 mm (.026”)
• Replace if either electrode is worn or if the insulator is
fouled by oil or other deposits.
• TORQUE = 145 ~ 155 kg•cm (125 ~ 135 in. lb.)
CAUTION Do not over torque.
CARBURETOR ADJUSTMENT
• Idle adjustment screw is adjusted not to rotate the saw
chain at idling speed, prior to shipment from factory.
• Remove grommet cover over “H” and “L” limiter
needles.
• Refer to “Supplement To Operator’s Manual For Units
Sold In California” for carburetor adjustment.
(CAUTION)
When starting, idling adjustment speed should be
adjusted not to rotate the saw chain.
Correct idle speed is adjusted 2900 to 3100 rpm. Or 1/
4 turn counter clockwise from the point the chain stops
moving.
When there is some trouble with the carburetor, refer
to your distributor or dealer.
0.65 mm
(.026”)
Choke button
Grommet
cover
Idle adjustment screw
CHAIN AND GUIDE BAR COMBINATION
The following combinations are recommended for CS-3000, CS-3400 and CS-3450
* Reduced nose radius symmetrical bars.
(OREGON name ----- Double Guard)
WARNING DANGER
Use of replacement saw chain and/or guide bar other than that specified, or operation without the “tip guard” in place may
cause severe kickback resulting in serious injury.
Only use saw chain designated as, “LOW-KICKBACK”, that meets the ANSI B175.1-2000 standard and the ECHO guide bar
specified.
