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Echo SRM-3805 Service Data
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Echo SRM-3805 Service Data

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10-37A-00
SERVICE DATA
TRIMMER/BRUSHCUTTER
INTRODUCTION
We are constantly working on technical
improvement of our products. For this reason,
technical data, equipment and design are subject to
change without notice. All specifications,
illustrations and directions in this SERVICE DATA
are based on the latest products information
available at the time of publication.
For further information to service these models,
please refer to ECHO SERVICE MANUAL Ord. No.
402-21.
INDEX
SRM-3805, SRM-4605
SRM-3805
SRM-4605
CONTENTS
1 SERVICE INFORMATION ............................. 2
1-1 Specifications ............................................ 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 SERVICE HINT ............................................. 7
2-1 Gear case construction ............................. 7
Reference No.
I S S U E D :
1
1
page
10-37A-00
1 9 9 8 0 7

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Summary of Contents for Echo SRM-3805

  • Page 1: Table Of Contents

    1-5 Service limits ..........5 available at the time of publication. 1-6 Special tools ..........6 For further information to service these models, please refer to ECHO SERVICE MANUAL Ord. No. 2 SERVICE HINT ..........7 402-21. 2-1 Gear case construction ......7 10-37A-00 Reference No.

  • Page 2: Service Information

    SRM-3805 SERVICE INFORMATION SRM-4605 1 SERVICE INFORMATION 1-1 Specifications Model SRM-3805 (L) SRM-3805 (U) SRM-4605(L) SRM-4605(U) Dimensions Length* mm(in) 1820 (71.7) 1820 (71.7) 1820 (71.7) 1820 (71.7) Width mm(in) 360 (14.2) 720 (28.3) 360 (14.2) 720 (28.3) Height mm(in) 350 (13.8) 455 (17.9)

  • Page 3: Technical Data

    SRM-3805 SRM-4605 SERVICE INFORMATION 1-2 Technical data Model SRM-3805 SRM-4605 Engine Idling speed 2400 - 3000 Operating speed 6000 - 8000 Clutch-in speed 3300 - 3700 Compression pressure, standard kgf/cm (psi) 7.5 (107) 8.0 (114) Ignition system Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)

  • Page 4: Torque Limits

    Spark plug 130 - 170 110 - 150 Fuel Carburetor insulator 40 - 55 35 - 50 system Carburetor (SRM-3805) 30 - 45 25 - 40 Carburetor (SRM-4605) 35 - 45 30 - 40 Throttle cable nut 25 - 35...

  • Page 5: Service Limits

    SRM-3805 SRM-4605 SERVICE INFORMATION 1-5 Service limits 5K182 5K222 5K223 5K224 5K225 5K016 5K042 5K188 5K219 5K220 5K189 mm(in) Description SRM-3805 SRM-4605 Cylinder bore When plating is worn and aluminum can be seen Piston outer diameter Min. 37.90 (1.492) 41.90 (1.65) Piston pin bore Max.

  • Page 6: Special Tools

    SRM-3805 SERVICE INFORMATION SRM-4605 1-6 Special tools 12: c=34 mm a = 10 mm 13: c=31 mm b = 25.5 mm a = 12 mm b = 32 mm Part Number Description Used for: Tachometer Measuring engine speed to adjust carburetor 895610-79920 L-hex.

  • Page 7: Service Hint

    SRM-3805 SERVICE INFORMATION SRM-4605 2 SERVICE HINT 2-1 Gear case construction Gear case Drive gear Driven gear Dust seal plate Cover plate O-ring PTO shaft Adapter plate (L) Adapter plate (U)

This manual is also suitable for:

Srm-4605