Echo CS-440EVL Service Information - page 2
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I
CS-440EVL CS-510EVL
CS·550EVL CS-660EVL
SERVICE INFORMATION
1
1. SERVICE INFORMATION
1·1 Specifications
Models
CS-440EVL
S-510EVL
CS-550EVL
CS-660EVL
length*
mm (in)
385 (15.2)
00 (15.7)
400 (15.7)
420 (16.5)
Dimensions width
mm (in)
250 ( 9.8)
255 (10.0)
255 (10.0)
260 (10.2)
height
mm(in)
270 (10.6)
280 ( 11.0)
280 (11.0)
280 (11.0)
Dry weight*
kg (lb)
5.1 ( 11.2)
6.0 (13.2)
6.0 (13.2)
6.5 (14.3)
type
KIORITZ, air-co , led, two-stroke, single cylinder,piston-ported
rotation
Clockwise rotation as v1ewed from the output end
displacement
cc (cu.in)
44.3 (2.703)
9.9 (3.045)
54.7 (3.340)
64.2 (3.918)
Engine
bore mm (in) 42.0 ( 1.654) 2.0 (1.654) 44.0 (1.732) 47.0 ( 1.850)
stroke mm (in) 32.0 ( 1.260) 6.0 (1.417) 36.0 (1.417) 37.0 (1.457)
compression ratio 7.0 7.8 7.8 7.8
Carburetor
Diaphragr type with adjustable fuel mixture jets
type
CDI
CDI
CDI
CDI
Ignition
spark plug
BPM7A
CJ-7Y
BPM7A
BPM7A
type
Automatic rewind
Starter
rope dia. x length
mm (in)
3.5
X
850
4.0
X
900 (.16
X
35.4)
(.14
X
33.5)
mixing ratio
Gasoline: Oil
32:1 (3%) or 5 ):1 (2%) with special oil approved by ECHO
gasoline
Regular type
Fuel
oil
ECHO air-co led two-stroke oil or approved equivalent
tank capacity
cc (US.fl.oz)
450 (15.2)
00 (16.9)
500 (16.9)
650 (22.0)
Clutch
Automatic 3-shoe centrifugal
Guide bar/Saw chain lubrication
Automatic oiler
Oil tank capacity
cc (US.fl.oz)
230 (7.8)
250 (8.5)
250 (8.5)
300 (10.1)
*Power head without guide bar and saw chain
Cutting devices
type
Spur
Sprocket
number of teeth
7
Guide bar length
16
16 20 24
16 20 24
16 20 24 27
number of drive links
66
60 70 81
60 70 81
60 70 81 93
Saw chain
pitch
in
.325
3/8
3/8
3/8
gauge
in
0.050
1·2
Technical data
Models
CS-440EVL
S-510EVL
CS-550EVL
CS-660EVL
Ignition type
CDI
CDI
CDI
CDI
Spark plug gap
mm (in)
0.6- 0.7 (0.024- 0.028)
Pole shoe air gaps
mm(in)
0.4 (0.016)
0.3-0.45 (0.012- 0.018)
0.4 (0.016)
Ignition timing
VBTDC
30
Primary coil resistance
n
0-0.2
o-
o.5
0-0.5
o-0.2
Secondary coil resistance
kr2
1.5-3.0
1.5-3.0
1.5-3.0
0.5- 1.5
Minimum secondary voltage
kV
15 (at 1000 rpm)
12(at1000rpm)
H needle
turn open
7/8
1
1
1
L needle
turn open
1
1-1/8
1
1
Idling speed
rpm
2200-2800
Operating speed
rpm
6000-9000
5500-9000
Compression pressure
kg/cm
2
(psi)
9.5 (135)
10.2 (145)