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 COMBINATIONThe 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.
Model
GUIDE BAR
Pitch
Guide
Chain
Number
Kick Guard
Number
Length
ECHO P/N
OREGON P/N
CS-3000
12"
*12AOCD3749
38326
3/8 .050
91VG-45X
28949
CS-3400
14"
*14AOCD3752
38327
3/8 .050
91VG-52X
28949
CS-3450
16"
*16AOCD3757
38328
3/8 .050
91VG-57X
28949