Echo CS-400 Manual de usuario

01-40D-00 CS-400 1

SERVICE

MANUAL

SUPPLEMENT

CHAIN

SAW

ECHO:

CS-400

(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

DATA are based on the latest products infor-

mation available at the time of publication.

1 SERVICE

INFORMATION..............................

1-1 Specification

...............................................

1-2 Technical

data.............................................

1-3 Torque

limits................................................

1-4 Special repairing materials

.........................

1-5 Service

limits...............................................

1-6 Special tools

...............................................

CARBURETOR ADJUSTMENT PROCEDURE

....7

2-1 General adjusting

rules...............................

2-2 Presetting idle adjust screw, L mixture needle

and H mixture needle

........................................

2-3 Adjusting

carburetor....................................

Reference No. 01-40D-00

ISSUED: 201002

INDEX

SERVICE INFORMA

TION

CS-400

1 SERVICE INFORMA

TION

1-1

Speci

cations

Model CS-400

Dimensions Length* mm(in) 393 (15.47)

Width mm(in) 245 (9.65)

Height mm(in) 277 (10.91)

Dry weight* kg(lb) 4.6 (10.1)

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

Rotation Clockwise as viewed from the output end

Displacement cm3(in3) 40.2 (2.453)

Bore mm(in) 40.0 (1.575)

Stroke mm(in) 32.0 (1.260)

Compression ratio 6.5

Carburetor Type Diaphragm, horizontal-draught, with purge bulb**

Model Walbro WT-985

Venturi size-Throttle bore mm(in) 13.50 - 15.85 (0.532 - 0.624)

Ignition Type CDI (Capacitor discharge ignition) system

with electronic timing advancer and speed governor

Spark plug BPM8Y (CANADA : BPMR8Y)

Exhaust

Muffler type Spark arrester muffler with catalyst

Starter Type Automatic rewind

Rope diameter x length mm(in) 3.0 x 900 (0.14 x 35.4)

Fuel Type Premixed two-stroke fuel

Mixture ratio 50 : 1 (2 %)

Gasoline Minimum 89 octane gasoline

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

Tank capacity

L (U.S.fl.oz.)

0.41 (13.9)

Clutch

Type

Centrifugal, 3-shoe slide with 3-tension spring

Guide bar / Saw chain lubrication type Automatic with volume adjuster

Oil

Tank capacity

L (U.S.fl.oz.)

0.28 (9.5)

Sprocket

Type

Spur

Number of teeth

Pitch

3/8

Chain tensioner type Side Access

* Without guide bar and saw chain. ** Purge bulb on engine body

Cutting

devices

Guide bar

Part No.

16A0ED3757

18A0ED3762

Called length in

Gauge in

0.050

Saw chain

Type

OREGON 91VG

Number of drive links

Pitch in

3/8

Gauge in

0.050

CS-400

SERVICE INFORMA

TION

1-2 Technical

data

Engine

Idling speed RPM 2,650 +/- 250

Wide open throttle speed* RPM 12,000 - 12,600

Clutch engagement speed RPM 4,100

Service limit speed† RPM 3,200

Compression pressure MPa (kgf/cm2) (psi) 0.88 (8.9) (127)

Ignition system

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

Minimum secondary voltage at 1,000 RPM

Primary coil resistance

200 - 400

Secondary coil resistance

kΩ

1.5 - 2.2

Pole shoe air gaps

mm(in)

0.3 - 0.4 (0.012 - 0.016)

Ignition timing

at 3,000 RPM

°BTDC

at 8,000 RPM

°BTDC

at 10,000 RPM

°BTDC

PET-9000 Parameter

317

Carburetor

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

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 Adjustable : 1.5 - 13 (0.05 - 0.40)

mL/min(U.S.fl.oz./min) (Factory set 7 mL/min)

BTDC: Before top dead center.

* With 16 in. guide bar and saw chain.

**Set idle adjust screw to contact throttle plate before initial setting.

† If clutch engagement speed is lower than service limit speed, replace clutch assembly with new one.

SERVICE INFORMA

TION

CS-400

1-3 Torque

limits

Descriptions

Size

kgf•cm

N•m

in•lbf

Starter

system

Starter pawl

40 - 60

4 - 6

35 - 50

Starter case

M5**

25 - 35

2.5 - 3.5

22 - 30

Ignition

system

Magneto rotor (Flywheel)

250 - 290

25 - 29

220 - 250

Ignition coil

40 - 60

4 - 6

35 - 50

Ignition switch

M14

15 - 30

1.5 - 3

13 - 26

Spark plug

M14

150 - 170

15 - 17

130 - 150

Fuel

system

Carburetor

30 - 45

3 - 4.5

26 - 40

Carburetor elbow

M5**

20 - 30

2 - 3

17 - 26

Intake bellows

30 - 45

3.0 - 4.5

26 - 40

Clutch Clutch hub

LM10

300 - 400

30 - 40

260 - 350

Engine

Crankcase

M5*

70 - 110

7 - 11

60 - 95

Engine mount

70 - 110

7 - 11

60 - 95

uffler

80 - 110

8 - 11

70 - 95

Cylinder cover

25 - 45

2.5 - 4.5

22 - 40

Others

Auto-oiler

20 - 35

2.5 - 3.5

17 - 30

Front handle

M5**

45 - 65

4.5 - 6.5

40 - 55

Rear handle assembly

30 - 50

3 - 5

26 - 45

35 - 50

3.5 - 5

30 - 45

Handle lid

10 - 20

1 - 2

9 - 17

Brake lever (Hand guard)

M5**

10 - 20

1 - 2

9 - 17

M4**

45 - 65

4.5 - 6.5

40 - 55

Sprocket guard plate

M4**

10 - 20

1 - 2

9 - 17

Chain catcher

45 - 60

4.5 - 6

40 - 52

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 thread locking sealant (See below) ** Tapping screw

1-4 Special

repairing materials

Material

Location

Remarks

Adhesive

Ball bearing outer / crankcase

Loctite #675 or equivalent

Pulse pipe joint

Cushions

Loctite #424, ThreeBond #1741 or equivalent

Liquid gasket

Crankcase seams

Loctite #515 or equivalent

Grease

Auto-oiler worm

Lithium based grease or ECHO XTended

Protection Lubricant

Clutch needle bearing

Handle cushions

Rewind spring

Starter center shaft

Chain brake (metal contact part)

Molybdenum grease (approx. 1 gram)

CS-400

SERVICE INFORMA

TION

1-5 Service

limits

A B C D

5K275 5K277 5K278 5K279

E F G H

5K280 5K016 5K042 5K276

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. 39. 89 (1.570)

C Piston pin bore Max. 9. 030 (0.3555)

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 Con-rod small end bore Max. 12. 025 (0.4734)

L Crankshaft runout Max.

0. 05 (0.002)

M Sprocket bore Max. 13. 07 (0.5146)

N Clutch drum bore Max. 71. 5 (2.81)

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

SERVICE INFORMA

TION

CS-400

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