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SRM-510ES

10-52F-01

1

INTRODUCTION

W

e 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, illustrations and directions in this 
SERVICE DATA are based on the latest 
product information available at the time of 
publication.
ECHO SERVICE MANUAL Ord. 402-25 
(Model : SRM-4000, RM-4000) contains lots 
of information for servicing this model.

1

SERVICE DATA

TRIMMER/BRUSHCUTTER

SRM-510ES

(Serial number : 36000001 and after)

CONTENTS

 

page

1 SERVICE INFORMATION

 .............................. 2

1-1 Speci

fi

 cation ............................................... 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, Idle mixture 
needle and Hi speed mixture needle .................... 7
2-3 Adjusting carburettor................................... 8

Reference No.

 

10-52F-01

R E V I S E D :     2 0 1 0 0 2

ISSUED: 200906

Summary of Contents for SRM-510ES

Page 1: ...25 Model SRM 4000 RM 4000 contains lots of information for servicing this model 1 SERVICE DATA TRIMMER BRUSHCUTTER SRM 510ES Serial number 36000001 and after 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...

Page 2: ... length mm in 3 8 x 1150 0 15 x 45 3 Fuel Type Premixed two stroke fuel Mixture ratio 50 1 2 Petrol Minimum 89 octane petrol RON Two stroke air cooled engine oil ISO L EGD ISO CD13738 JASO FC FD Tank capacity L U S fl oz 1 0 33 8 Clutch Type Centrifugal 2 shoe pivot Handle Type Front Crescent loop with cushion grip U handle Rear Integrated control grip with cushion with integratedcontrol grip Driv...

Page 3: ...n BTDC 25 at 10 000 r min BTDC 25 PET 9000 Parameter 1 328 2 05 Carburettor Idle adjust screw initial setting turns in 1 1 2 Idle mixture needle initial setting turns in 13 Hi speed mixture needle initial setting turns out 3 3 4 Test Pressure minimum MPa kgf cm2 psi 0 05 0 5 7 0 Metering lever height mm in 1 5 0 06 lower than diaphragm seat Air cleaner system type Inner vent Air filter Pleats BTDC...

Page 4: ...uffler M 6 110 150 11 15 95 130 Muffler cover M 5 30 45 3 4 5 26 40 Muffler stay M 5 70 110 7 11 60 95 Others Blade fastening nut LM 10 280 320 28 32 245 280 Regular bolt nut and screw M 3 6 10 0 6 1 5 9 M 4 15 25 1 5 2 5 13 22 M 5 25 45 2 5 4 5 22 40 M 6 45 75 4 5 7 5 40 65 M 8 110 150 11 15 95 130 M 10 210 300 21 30 180 260 LM Left hand thread Apply thread locking sealant See below The torque di...

Page 5: ...luminum can be seen B Piston outer diameter Min 43 95 1 730 C Piston pin bore Max 10 035 0 3951 D Piston ring groove Max 1 65 0 065 E Piston ring side clearance Max 0 1 0 004 F Piston pin outer diameter Min 13 97 0 5500 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 14 025 0 5522 L Crankshaft runout Max 0 02 0 001 M Clutch drum bore Max 79 5 3 13...

Page 6: ...in wrench Removing and installing pawl carrier 14 897714 12330 Oil seal tool Installing crankcase oil seal clutch side 15 897714 24330 Oil seal tool Installing crankcase oil seal starter side PTO shaft bearings 16 897726 21430 Oil seal tool Installing crankcase oil seal clutch side 17 897718 03930 Bearing tool Installing crankcase oil seal starter side 18 897719 02830 Piston holder Making piston s...

Page 7: ...to comply with Emission Directive 2 2 Presetting Idle adjust screw Idle mixture needle and Hi speed mixture needle Tools Required Small screwdriver with 2 5 mm blade electronic tachometer P N G310 000050 lim iter cap tool with 2 5 mm left hand thread P N 91020 Parts Required 2 limiter plug P N A259 000000 1 Remove plugs from Idle mixture needle hole A and H mixture needle hole B using limiter plug...

Page 8: ...ne length should be 225 mm with out shield 6 SRM 510ES L Stop engine reinstall shield and restart engine again and verify engine idle speed ranges from 2 500 to 3 000 r min and WOT engine speed ranges from 9 500 to 11 000 r min after 60 seconds at WOT NOTE Nylon line length should be 160 mm with shield SRM 510ES U Stop engine Reinstall shield for blade and 3 tooth blade 255 mm Start engine again a...

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