Echo CS-352 Supplemental Service Manual

CS-352
SERVICE INFORMATION 3
1-2
Technical data
Engine
Idling
s peed
W ide open throttle s peed*
C lutch e ng a gement s peed
R P M
R P M
R P M
3 , 000 +/- 300
11 , 700 - 13 , 200
4 , 200
Minimum
†
RPM 3,800
Compression pressure MPa (kgf/cm
2
) (psi) 0.94 (9.6) (136)
Ignition system
S p a rk plug g a p mm(in) 0 . 6 - 0 . 7 ( 0 . 024 - 0 . 028)
Minimum
secondary voltage at 1,500 RPM kV 15.0
Primary coil resistance
(Red Probe on stop terminal of module)
S e c on d a ry coil r e s i s t a nce
kO
1.2 - 1.6
kO
1.3 - 1.9
P ole s hoe a ir g a p s
Ignition
t i m i ng
P E T-9000 P a r a meter
Carburetor
a t 3 , 000 R P M
a t 8 , 000 R P M
a t 10 , 000 R P M
P a r a meter 1
P a r a meter 2
mm (in)
° B T D C
° B T D C
° B T D C
0 . 3 - 0 . 4 ( 0 . 012 - 0 . 016 )
8
34
38
322
04
Idle adjust screw initial setting turns in** 1 1/2
Test Pressure, minimum MPa (kgf/cm
2
) (psi) 0.05 (0.5) (7.0)
Metering lever h
e i gh t
Chain oil discharge volume at 7,000 RPM
mm
( i n )
mL/min(U.S. 0 .oz./min)
1 . 65 ( 0 . 06) lower t h a n d i a p hr a gm s e a t
Fixed 7.8 mL/min
BTDC: Before top dead cente r .
* With 14 in. guide bar and properly adjusted saw chain.
**Set idle adjust screw to the point that its tip contacts throttle plate before initial setting.
†
If clutch engagement speed is lower than minimum RPM, replace clutch assembly with new one.

Echo CS-352 Specifications

General

Engine Displacement	34.0 cc
Engine Type	2-stroke
Chain Pitch	3/8 inch
Bar Length	16 inches
Weight	8.8 lbs
Power Output	1.3 kW
Chain Gauge	0.050 inch