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4. Idle Speed Adjustment.
• Start engine and turn "idle" speed adjustment screw (B) CW until the saw chain begins to move, then turn the
screw CCW until saw chain stops moving. Turn screw CCW an additional 1/4 turn.
5. Accelerate to full throttle for 2-3 seconds to clear excess fuel from engine then return to idle. Accelerate to full
throttle to check for smooth transition from idle to full throttle. If engine stops or stalls after full warm up return
the unit to your authorized ECHO dealer for adjustment.
6. Install grommet cover (A) over "H" and "L" limiter needles.
B
A
M
O
D
E
L
L
E
N
G
1
" 2
C
S
3 -
0
6
1
" 4
1
" 2
C
S
3 -
0
6
1
" 4
1
" 6
*Reduced nose radius symmetrical bars (OREGON name — Double Guard)
WARNING
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 when tested on the
representative sample of chain saws below 3.8 C.I.P. specified, and the Echo guide bar specified.
IMPORTANT
Chain and guide bar gauge size must be identical. Use Bar/Chain combinations shown in table
above.
IMPORTANT
If your kick guard is damaged or lost, contact your Echo dealer for a replacement. For the name
of the Echo dealer nearest you, Call: 1-800-432-ECHO (3246) or on the web at www.echo-
usa.com.
Refer to your Chain Saw Safety Manual for kick guard application information.
C
G
HAIN AND
UIDE
The following combinations may be used on the CS-306.
L
O
W
K
C I
K
B
A
C
G
U
D I
E
B
A
R
R
T
H
B
A
R
P
N /
S
T
A
N
D
A
R
D
1
2
A
4
C
D
3
7
4
5
1
4
A
4
C
D
3
7
5
2
O
P
T
O I
N
A
L
1
2
A
0
C
D
3
7
4
5
1
4
A
0
C
D
3
7
5
2
1
6
A
0
C
D
3
7
5
7
B
C
AR
OMBINATIONS
K
L
O
W
K
C I
C
H
A
N I
L
N I
K
P
A
R
T
N
. O
B
A
R
A
N
D
C
H
A
N I
C
O
M
B
9
0
S
G
4 -
5
4
5
9
0
S
G
5 -
2
5
2
B
A
R
A
N
D
C
H
A
N I
C
O
M
B
N I
9
1
V
G
4 -
5
4
5
9
1
V
G
5 -
2
5
2
9
1
V
G
5 -
7
5
7
23
K
B
A
C
K
S
A
W
C
H
A
N I
S
T
Y
P
E
P
T I
C
H
N I
A
T
O I
N
S
9
0
S
G
/ 3
" 8
A
T
O I
N
S
9
1
V
G
/ 3
" 8
K
C I
K
G
U
A
R
D
E
C
H
O
P
N /
G
A
U
G
E
O
E
M
P
N /
2
8
9
4
9
0
1
0 .
4
" 3
2
8
9
4
9
2
8
9
4
9
0
1
0 .
5
" 0
2
8
9
4
9
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