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Echo CS-500ES, Service Data, Page: 5 / 8

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Echo CS-500ES Service Data Download Page 5

SERVICE INFORMATION

CS-500ES

5

1-5 Service Limits

5K177

5K083

5K084

5K081

5K082

5K016

5K025

5K174

5K178

5K173

5K190

5K097

5K097

A

B

C

D

F

G

H

K

L

M

P

N

E

  Description

mm (in)

A Cylinder bore

When plating is worn and aluminum can be seen

B

Piston outer diameter

Min.

43. 87

(1.727)

C

Piston pin bore

Max.

11. 025 (0.4341)

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.

10. 98

(0.4323)

G

Piston ring width

Min.

1. 45

(0.057)

H

Piston ring end gap

Max.

0. 8

(0.03)

K

Con-rod small end bore

Max.

15. 025 (0.5915)

L

Crankshaft runout

Max.

0. 02

(0.001)

M

Sprocket bore

Max.

12. 75

(0.5020)

N

Clutch drum bore

Max.

73. 5

(2.89)

P

Sprocket wear limit

Max.

0. 5

(0.02)

Summary of Contents for CS-500ES

Page 1: ...ation SERVICE DATA CHAIN SAW ECHO CS 500ES STAGE MODEL Serial number 37000001 and after 0 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 CARBURETTOR ADJUSTMENT PROCEDURE 7 2 1 General adjusting rules 7 2 2 Presetting Idle adjust screw L mixture needle and H mixture needl...

Page 2: ...r Type Diaphragm horizontal draught Model Walbro WT 1011 with Large D shaped mixture needles Venturi size Throttle bore mm in 13 5 15 85 0 531 0 624 Ignition Type CDI Capacitor discharge ignition system Digital magneto Spark plug BPMR8Y Starter Type ES effortless start Rope diameter x length mm in 3 8 x 750 0 150 x 29 5 Fuel Type Premixed two stroke fuel Mixture ratio 50 1 2 Petrol Minimum 89 octa...

Page 3: ...iming at 3 000 r min BTDC 17 at 8 000 r min BTDC 29 at 10 000 r min BTDC 35 PET 9000 Parameter 1 324 Parameter 2 03 Carburettor Idle adjust screw initial setting turns in 2 L mixture needle initial setting turns out 1 1 2 H mixture needle initial setting turns out 3 1 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 disc...

Page 4: ...25 40 Crankcase at oil bypass M5 55 70 5 5 7 48 60 Cushion M5 20 30 2 3 18 25 Front handle M5 40 55 4 5 5 35 48 M4 30 45 3 4 5 25 40 Rear handle assembly M side M5 40 55 4 5 5 35 48 D side M5 40 55 4 5 5 35 48 Handle lid M4 20 30 2 3 18 25 Brake lever D side M5 40 60 4 6 35 40 M side M5 50 70 5 7 45 60 Brake cover M4 10 20 1 2 9 18 Washer at brake band M4 15 25 1 5 2 5 13 22 Sprocket guard plate M...

Page 5: ...on outer diameter Min 43 87 1 727 C Piston pin bore Max 11 025 0 4341 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 10 98 0 4323 G Piston ring width Min 1 45 0 057 H Piston ring end gap Max 0 8 0 03 K Con rod small end bore Max 15 025 0 5915 L Crankshaft runout Max 0 02 0 001 M Sprocket bore Max 12 75 0 5020 N Clutch drum bore Max 73 ...

Page 6: ...037 Compression gauge Measuring cylinder compression 7 897702 30131 Piston pin tool Removing and installing piston pin 8 897701 06030 Bearing wedge Removing and crankshaft ball bearings 9 897563 19830 Metering lever gauge Measuring metering lever height on carburettor 10 X686 000000 ThreeBond 1207D Applying crankcase seam 11 900300 Ignition Analyzer PET 9000 Measuring Ignition timing Primary Secon...

Page 7: ...st screw to 3 200 200 r min Make sure WOT engine speed in range 11 800 12 500 r min If engine does not run correctly after this adjustment proceed to the next step 2 2 2 2 Presetting Idle adjust screw L mixture needle and H mixture needle Tools Required Small screwdriver with 2 5 mm blade P N G310 000050 electronic tachometer P N Y089 000090 D Shaped tool A 1 Turn L and H mixture needles clockwise...

Page 8: ...adjustment WOT engine speed should be 11 400 r min or less If engine speed is higher turn H mixture needle C anticlockwise until 11 400 r min is achieved To make the final WOT engine speed adjustment turn H mixture needle C clockwise in 1 8 turn increments with the engine at idle then squeeze throttle trigger and check WOT engine speed The final WOT engine speed should fall within 11 800 12 000 r ...

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