CS-500P

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CS-500P | Manualzz

01-50C-00

CS-500P

1

SERVICE MANUAL

SUPPLEMENT

CHAIN SAW ECHO:

CS-500P

(Serial number : 11000001-11999999)

(Serial number : 12000001-12999999) time of publication.

(Serial number : 13000001-13999999)

INTRODUCTION

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

CONTENTS page

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

2 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.................................... 9

3 SERVICE HINT for PET-9000...................... 10

Reference No. 01-50C-00

I S S U E D : 2 0 1 1 0 5

0

2

1 SERVICE INFORMATION

1-1 Specifications

SERVICE INFORMATION CS-500P

Model

Dimensions Length*

Dry weight*

Engine

Width

Height mm(in) mm(in) mm(in)

CS-500P

395 (15.55)

250 (9.84)

290 (11.42)

Type

Rotation

Displacement kg(lb) cm

3

(in

3

4.8 (10.5)

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

Clockwise as viewed from the output end

) 50.2 (3.063)

Bore mm(in) 44.0 (1.732)

Ignition

Stroke mm(in) 33.0 (1.299)

Compression ratio 7.8

Carburetor Type Diaphragm horizontal-draf

Model Walbro WT-1009

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

Type CDI (Capacitor discharge ignition) system

Starter

Fuel

Spark plug

Digital magneto

BPM8Y (CANADA: BPMR8Y)

Type

Rope diameter x length mm(in)

Automatic rewind starter

3.8 x 750 (0.150 x 29.5)

Type Premixed two-stroke fuel

Mixture ratio 50 : 1 (2 %)

Gasoline Minimum 89 octane gasoline

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

Tank capacity

Exhaust

Clutch

Muffler type

Type

Guide bar / Saw chain lubrication type

L (U.S.fl.oz.) 0.49 (16.6)

Spark arrester muffler

Centrifugal type

Adjustable automatic oil pump

Oil Tank capacity

Auto oiler Type

Sprocket Type

Number of teeth

Pitch

* Without guide bar and saw chain.

Cutting devices

Guide bar

Part No.

Called length

Gauge

Saw chain Type

Number of drive links

Pitch

Gauge

L (U.S.fl.oz.) in in in in in

16F0LD3366

16

66

0.28 (9.5)

Clutch related type

Floating rim

7

0.325

18F0LD3372

18

0.050

Oregon 20LPX, 20BPX

72

0.325

0.050

20F0LD3378

20

78

CS-500P

1-2 Technical data

SERVICE INFORMATION

Engine

Idling speed

Wide open throttle speed*

RPM

Clutch engagement speed

Engagement Minimum

Compression pressure

Ignition system

Spark plug gap

Minimum secondary voltage at 1,000 RPM

Primary coil resistance

RPM

RPM

MPa (kgf/cm

2

) (psi) mm(in) kV

Ω

(Red Probe on stop terminal of module)

Secondary coil resistance

Pole shoe air gaps at 3,000 RPM Ignition timing

PET-9000

Carburetor at 8,000 RPM at 10,000 RPM

Parameter 1

Parameter 2 k

Ω mm (in)

°BTDC

°BTDC

°BTDC

Idle adjust screw initial setting

Test Pressure, minimum

Metering lever height

Chain oil discharge volume

RPM

3,100 + 400

- 300

11,800 - 12,500

3,900

3,800

1.05 (10.7) (152)

0.6 - 0.7 (0.024 - 0.028)

14

300 - 340 turns in** 2

MPa (kgf/cm

2

) (psi) 0.05 (0.5) (7.0) mm(in) 1.65 (0.06) lower than diaphragm seat

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

2.5 - 2.9

0.3 - 0.4 (0.012 - 0.016)

17

29

35

324

03

3

BTDC: Before top dead center.

* With 18 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.

4

SERVICE INFORMATION

1-3 Torque limits

Descriptions

Starter Starter pawl assembly system Starter case

Ignition Magneto rotor (Flywheel) system Ignition coil

Ignition switch

Spark plug

Fuel Carburetor system

Elbow

Intake insulator

Clutch Clutch shoe

Clutch drum

Engine Crankcase

Muffler

Cylinder

Cylinder cover

Others Auto-oiler

Oiler cover

Size

M5

M5

M8

M 4

M 10

M 14

M 5

M 4

M 4

LM 10

M 8

M 5

M 5

M 5

M 5

M 4

M 4

Crankcase (at oil bypass) M 5

Cushion

Front handle

M 4

Rear handle assembly

(M side) M 5

Handle lid

Brake lever

Brake cover

Chain catch e r

Spike

Regular bolt, nut and screw

M 5

M 5

(D side) M 5

M 4

(D side) M 5

(M side) M 5

Washer (at b rake band)

Sprocket gu a rd plate

M 4

M 4

M 4

M 5

M 5

M 3

LM: Left-hand thread

1-4 Special repairing materials

M 4

M 5

M 6

Material Location kgf•cm

90-120

20-30

150-170

30 - 45

20 - 30

130 - 170

20 - 30

20 - 30

20 - 30

280 - 300

150 - 170

70 - 90

70 - 90

70 - 90

25 - 35

30 - 45

30 - 45

55 - 70

20 - 30

40 - 55

30 - 45

40 - 55

40 - 55

20 - 30

40 - 60

50 - 70

10 - 20

15 - 25

15 - 25

50 - 70

50 - 70

6 - 10

15 - 25

25 - 45

45 - 75

Remarks

N•m

9-12

2-3

15-17

3 - 4.5

2 - 3

13 - 17

2 - 3

2 - 3

2 - 3

28 - 30

15 - 17

7 - 9

7 - 9

7 - 9

2.5 - 3.5

3 - 4.5

3 - 4.5

5.5 - 7

2 - 3

4 - 5.5

3 - 4.5

4 - 5.5

4 - 5.5

2 - 3

4 - 6

5 - 7

1 - 2

1.5 - 2.5

1.5 - 2.5

5 - 7

5 - 7

0.6 - 1

1.5 - 2.5

2.5 - 4.5

4.5 - 7.5

Adhesive

Grease

Cushion

Auto-oiler worm

Clutch needle bearing

Choke knob

Oil seal inner lips

Chain brake (metal contact part)

Throttle rod

CS-500P in•lbf

80-105

18-25

130-150

25 - 40

18 - 25

113 - 150

18 - 25

18 - 25

18 - 20

245 - 265

130 - 150

60 - 80

60 - 80

60 - 80

22 - 30

25 - 40

25 - 40

48 - 60

18 - 25

35 - 48

25 - 40

35 - 48

35 - 48

18 - 25

35 - 40

45 - 60

9 - 18

13 - 22

13 - 22

45 - 60

45 - 60

5 - 9

13 - 22

22 - 40

40 - 65

Loctite #406 (424) or equivalent

Lithium based grease or ECHO XTended

Protection

TM

Lubricant

Bevel gear, Screw, Chain tensioner

CS-500P

1-5 Service Limits

A

5.177

E

5.082

K

5.173

B

5.083

F

5.016

L

5.174

Description

A Cylinder bore

B Piston outer diameter

C Piston pin bore

D Piston ring groove

E Piston ring side clearance

F Piston pin outer diameter

G Piston ring width

H Piston ring end gap

K Con-rod small end bore

L Crankshaft runout

M Sprocket bore

N Clutch drum bore

P Sprocket wear limit

SERVICE INFORMATION

Min.

Max.

Max.

Max.

Min.

Min.

Max.

Max.

Max.

Max.

Max.

Max.

C

5.084

G

5.025

M

N

D

5.081

H

5.178

P

5

5.190 5.097

mm (in)

When plating is worn and aluminum can be seen

43. 87 (1.727)

11. 025 (0.4341)

1. 6 (0.063)

0. 1 (0.004)

10. 98 (0.4323)

1. 45 (0.057)

0. 5 (0.02)

15. 025 (0.5915)

0. 02 (0.001)

12. 75 (0.5020)

73. 5 (2.89)

0. 5 (0.02)

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