Echo CS-355T Manual de usuario

00-36H-01 CS-355T 1

SERVICE

MANUAL

SUPPLEMENT

CHAIN SAW

ECHO:

CS-355T

(Serial

number

11000001-11999999)

(Serial

number

12000001-12999999)

(Serial

number

13000001-13999999)

INTRODUCTION

CONTENTS

page

We are constantly working on technical im-

provement of our products. For this reason,

technical data, equipment and design are

subject to change without notice. All speci-

fications and directions in this SERVICE

MANUAL SUPPLEMENT are based on the

latest product information available at the

time of publication.

1 SERVICE INFORMATION.............................. 2

1-1 Specification ............................................... 2

1-2 Technical data............................................. 3

1-3 Torque limits................................................ 4

1-4 Special repairing materials ......................... 4

1-5 Service limits............................................... 5

1-6 Special tools ............................................... 6

CARBURETOR ADJUSTMENT PROCEDURE

.... 7

2-1 General adjusting rules............................... 7

2-2 Presetting Idle adjust screw, L mixture needle

and H mixture needle ........................................ 7

2-3 Adjusting carburetor.................................... 8

Reference No. 00-36H-01

REVISED:201210

ISSUED: 201207

SERVICE INFORMATION

CS-355T

1 SERVICE INFORMATION

1-1 Specifications

Model

CS-355T

Dimensions

Length*

mm(in)

287 (11.30)

Width mm(in)

244 (9.61)

Height mm(in)

220 (8.66)

Dry weight*

kg(lb)

3.5 (7.7)

Engine Type YAMABIKO, air-cooled, two-stroke, single cylinder

Rotation Clockwise as viewed from the output end

Displacement cm3(in3) 35.8 (2.184)

Bore mm(in) 39.0 (1.535)

Stroke mm(in) 30.0 (1.181)

Compression ratio 7.1

Diaphragm horizontal-draught

Carburetor Type

with separated purge bulb

Model WALBRO WT-1049

Venturi size-Throttle bore mm(in) 13.5 - 15.85 (0.531 - 0.624)

Ignition Type CDI (Capacitor discharge ignition) system

Digital Magneto with stop holding function

Spark plug BPM8Y (CANADA : BPMR8Y)

Starter Type i-15

Rope diameter x length mm(in) 3.0 x 950 (0.12 x 36.2)

Fuel Type Premixed two-stroke fuel

Mixture ratio 50 : 1 (2 %)

Petrol Minimum 89 octane petrol

Two-stroke air cooled engine oil ISO-L-EGD (ISO/CD13738), JASO M345-FC/FD

Tank capacity L (U.S.fl.oz.) 0.33 (11.2)

Exhaust

Muffler type

Spark arrester muffler

Clutch Type

Centrifugal, 3-shoe slide with 3-tension spring

Guide bar / Saw chain lubrication type Adjustable automatic oil pump

Oil Tank capacity L (U.S.fl.oz.) 0.243 (8.2)

Auto oiler

Type

Clutch related type

Sprocket Type

Spur

Number of teeth

Pitch

3/8

* Without guide bar and saw chain.

Cutting devices

Guide bar

Part No.

14A0ED3752

16A0ED3757

Called length in 14 16

Gauge in

0.050

Saw chain

Type Oregon 91PX

Number of drive links

Pitch in

3/8

Gauge in

0.050

CS-355T

SERVICE INFORMATION

1-2 Technical data

Engine

Idling speed RPM 2,800 -100

+500

Wide open throttle speed*

RPM

13,800 - 14,500

Clutch engagement speed RPM

4,300

Engagement Minimum†

RPM

3,600

Compression pressure

MPa (kgf/cm2) (psi)

1.03 (10.5) (149)

Ignition system with stop holding function

Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)

Minimum secondary voltage at 1,000 RPM kV 20

Primary coil resistance

(Red Probe on stop terminal of module) MΩ2.2 -2.6

Secondary coil resistance Ω970 - 1010

Pole shoe air gaps mm(in) 0.3 - 0.4 (0.012 - 0.016)

Ignition timing at 3,000 RPM

°BTDC 6

at 8,000 RPM °BTDC 34

at 10,000 RPM °BTDC 33

at 14,000 RPM °BTDC Revolution limiter

Carburetor

Idle adjust screw initial setting turns in** 1 3/8

L mixture needle initial setting

H mixture needle initial setting

Test Pressure, minimum

MPa (kgf/cm2) (psi)

0.05 (0.5) (7.0)

Metering lever height

mm(in)

1.65 (0.06) lower than diaphragm seat

Chain oil discharge volume at 7,000 RPM

mL/min(U.S.fl.oz./min)

Fixed 7.0 mL/min

BTDC: Before top dead center.

* 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 clutch engagement speed, replace clutch assembly with

new one.

SERVICE INFORMATION

CS-355T

1-3 Torque limits

Descriptions

Size

kgf•cm

N•m

in•lbf

Starter

system

Starter pawl

M5*

30 - 45

3 - 4.5

26 - 40

Starter case

15 - 20

1.5 - 2

13 - 17

Ignition

system

Magneto rotor (Flywheel)

250 - 290

25 - 29

220 - 255

Ignition coil

M5*

30 - 45

3 - 4.5

26 - 40

Spark plug

M14

130 - 170

13 - 17

110 - 150

Fuel

system

Carburetor

20 - 30

2 - 3

17 - 26

Intake bellows

30 - 50

3 - 5

26 - 45

Clutch Clutch hub

LM10

230 - 260

23 - 26

200 - 230

Engine

Crankcase

M5*

60 - 80

6 - 8

50 - 70

Engine mount

70 - 110

7 - 11

60 - 95

Muffler

70 - 100

7 - 10

60 - 90

Muffler cover

30 - 50

3 - 5

26 - 45

Others

Auto-oiler

20 - 30

2 - 3

17 - 26

Front handle

M4*

15 - 30

1.5 - 3

13 - 26

Rear handle assembly

15 - 30

1.5 - 3

13 - 26

Harness fixture

60 - 90

6 - 9

50 - 80

Cap cover

30 - 45

3 - 4.5

26 - 40

Sprocket guard

15 - 25

1.5 - 2.5

13 - 22

Brake lever

25 - 40

2.5 - 4

22 - 35

Spike

30 - 50

3 - 5

26 - 45

Guide bar

200 - 230

20 - 23

175 - 200

Regular bolt, nut and screw

6 - 10

0.6 - 1

5 - 9

15 - 25

1.5 - 2.5

13 - 22

25 - 45

2.5 - 4.5

22 - 40

45 - 75

4.5 - 7.5

40 - 65

LM: Left-hand thread *Apply special repairing materials

1-4 Special repairing materials

Material

Location

Remarks

Adhesive

Ball bearing outer / crankcase

Loctite #675 or equivalent

Stud bolt

Liquid gasket

Crankcase seams

ThreeBond 1207D

Thread locking sealant

Starter pawl

Loctite #222, ThreeBond #1342 or equivalent

Ignition coil

Grease

Clutch needle bearing

Lithium based grease or ECHO XTended

Protection TM Lubricant

Starter center shaft

Chain brake (metal contact part)

Molybdenum grease (approx.1 gram)

CS-355T

SERVICE INFORMATION

5K097

1-5 Service Limits

A B C D

5K177 5K083 5K084

5K081

E F G H

5K082 5K016

5K025

5K178

K L M P

5K173

5K174

5K190

5K191

Description mm (in)

A Cylinder bore When plating is worn and aluminum can be seen

B Piston outer diameter Min. 38. 87 (1.530)

C Piston pin bore Max. 8. 035 (0.3163)

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. 7. 98 (0.3142)

G Piston ring width Min. 1. 45 (0.057)

H Piston ring end gap Max. 0. 5 (0.02)

K Con-rod small end bore Max. 11. 025 (0.4341)

L Crankshaft runout

Max. 0. 01

(0.001)

Sprocket bore

Max.

12. 80

(0.5039)

N Clutch drum bore Max. 61. 5 (2.42)

P Sprocket wear limit Max. 0. 5 (0.02)

SERVICE INFORMATION

CS-355T

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