Echo CS-330EVL Operating and installation instructions

-
CS-330EVL
111/ECH/1.
SERVICE MANUAL
.
X
REVISE D FEB.1983
Or d . No . 401-11

.
CS·330EVL SERVICE INFORMATION
1
1. SERVICE INFORMATION
1·1
Specifications
Serial Number 0006959 and before
l
0006960 and after
length
• mm (in) 373 (14 . 7)
Dimensions width
mm(in) 235 ( 9 . 3)
height mm (in) 225 (8.9) l
235 (9 . 3)
Dry weight* kg (lb) 4.3
(9. 5)
type KIORITZ, air - cooled, two - stroke, single cylinder
rotation Clockwise
rotation asviewed from the output end
Engine displacement cc (cu.in)
33 . 4 (2.0381
bore
mm (in) 39 . 0 ( 1 . 535)
stroke mm (in)
28 . 0 ( 1 . 1 02)
compression ratio 7. 0
Carburetor Diaphragm type with
adjusta b l e fuelmixture je ts
Ignition type
T C I
I COl
spark plug NGK BM-6A or BMR6A
type Automatic rewind
Starter rope dia. x length mm (in) 3.0 X 850 (0.12 X
3 3.5)
mixing ratio (
Gasoline: O i l ) 20 : 1 or a ratio approved by KIORITZ / ECHO
Fu e l
gaso li ne Regular
type
oil
ECHO air-cooled two-stroke oi l or approved equivalent
tank capacity 2 (US.fl.oz) 0.33
( 11 . 2)
C l utch Automatic 3-shoecentrifugal
Guide
bar / Sa w chain lubrication Automatic oiler
Oil tank capacity 2 (US.fl.oz)
0 . 20 ( 6.8 )
* Power
head w a thout guade bar and saw chaan
( Cutting devices )
Sprocket
type
R im
Spur
number of teeth
8
6 or 7
pitch
in
1 / 4
3/8
Guide bar length,metric bar
em
30 35
30 35 40
Saw c h ain
number of drive links
68 76
47 53
58
pitch
in
1 / 4
3/8
gauge in
0.050
1·2 Technical data
Seria l N umb er
0006959 and before
I 0006960 and
after
Ign i ti on t ype
TC I
l
CDI
Spark plug gap mm(in)
0 . 6 - 0.7
( 0 . 024 - 0.028 1
Polecore gap mm (i n)
0.3 - 0 . 4 5 (0.012 - O.Q181
Ignition timing
0 BTDC
30
P r i mary coil resistance n
0.9 - 1 . 1
l
0 . 0 - 0.2
Secondary co il resistance kU
9 . 0 - 11.0
l
1 . 5 - 3.0
M i nimum secondary voltage kV
15 (at 1,000 rpm)
H needle turn open
1 and ¼ ( Initial Set)
L needle turn open
1 and ¼ ( Initial Set)
Idle speed adjusting screw turn open
5 ( Initial set:Forward after throttle valvebegins to open)
Idl i ng speed rpm
20. 00 - 3 ,000
Operating speed rpm
5,500 - 8 ,5 0 0
Compression pressure
kg/cm
2
(psi)
7 . 0 ( 100)

2 SERVICE INFORMATION CS·330EVL
1·3 Service limits
1·3·1 Measuring guide
A B
c
5K040
D E F
5K025
5K038 5K043 5K016
L
5K139

REVISED FEB. '83
CS·330EVL SERVICE INFORMATION
3
1·3·2Service limits
References
mm
in
A
Cylinder bore
When plating is worn and aluminum can be seen.
B
Piston outer diameter
Min .
38.88
1 .53 1 0
c
Piston pin bore
Max .
9.027
0 . 3554
D
Piston ring groove
Max .
1.6
0.063
E
Piston ring side clearance
Max.
0.1
0.004
F
Piston pin outer diameter
Min.
8.98
0 . 3535
G
Piston ring width
Min .
1 . 45
0 . 057
H
Piston ring end gap
Max.
0.5
0.02
K
Connecting rod sma ll end bore
Max.
12 . 025
0 . 4734
L
Con-rod big end needles side play
Max.
0.4
0 . 016
M
Crankshaft runout
Max .
0 . 05
0.002 .
p
Clutch drum bore
Max.
71 . 5
2 . 815
R
Sprocket bore
Max.
11.07
0 . 436
1-4 Torque tables
1·4-1 Special fasteners
Specialfastener(s) securing :
Size
kg-em
in - lb
Crankcase
M 4
20 - 25
17 ,._ 22
Cylinder
M 5
75 ,._ 85
65 ,._ 75
Carburetor
M 5
35 ,._ 40
30 ,._ 35
Clutch shoe ass'y (left-hand thread )
LM10
280 ,._ 320
245 - 280
Clutch drum (left-hand thread )
LM 6
90 ,._ 110
80 ,._ 95
CDI module*
M 5
55 - 65
50 - 55
Flywheel
M 8
180 - 220
155 ...., 190
Ign i tio n coil
M 4
55 ,._ 65
50 "' 55
Spark plug
M14
150 - 170
130 - 150
Starter pawl*
M 5
35 - 45
30 - 40
Fan cover
M 4
20 - 25
17 - 22
Muffler
M 5
75 - 85
65 ,._ 75
Guide bar
M 6
90 - 110
80 - 95
Cushions
M 4
35 - 40
30 ,._ 35
*Apply thread lock1ng sealant when faste n mg.
1-4·2 Standard fasteners
Standard fasteners other than those
l i sted above should be tightened with t he proper tools to the speci -
fied torques tabulated
below.
Regular screws,bolts, or nuts
Size
kg-em
in - lb
M 3
6 - 9
5 - 8
M 4
13 - 18
11 - 16
M 5
27 - 32
23 - 28
M 6
45 - 65
40 - 55
M 8
110 - 150
95 - 130
M10
260 - 310
225 - 270