Echo SRM-265ES Series Service Data
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Echo SRM-265ES Series Service Data

Trimmer/brushcutter, serial number: 37000001 and after, stage ii
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10-25L-01
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 and directions in this SERVICE
DATA are based on the latest products
information av ailable at t he time of
publication.
SRM-265ES
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
2-1 General adjusting rules .............................. 7
2-3 Adjusting carburettor .................................. 8
3 SERVICE HINT .............................................. 9
3-2 Adjusting throttle cable ................................ 10
3-3 Replacing crankshaft ................................... 11
CONTENTS
10-25L-01
Reference No.
R E V I S E D :
2 0 1 0 0 1
ISSUED: 200708
1
1
2
page

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Summary of Contents for Echo SRM-265ES Series

  • Page 1: Table Of Contents

    SRM-265ES 10-25L-01 CONTENTS INTRODUCTION page 1 SERVICE INFORMATION ......2 We are constantly working on technical 1-1 Specification ..........2 improvement of our products. For this reason, 1-2 Technical data ..........3 technical data, equipment and design are 1-3 Torque limits ..........4 subject to change without notice.

  • Page 2: Service Information

    Length mm (in) 1500 (59.1) Gear case Reduction ratio Gear tooth Spiral bevel gear Lubrication Lithium based grease or ECHO LUBE Cutter Type Nylon line cutter 3-tooth blade (230 mm) Pilot diameter for blade Fastener type, size Left-hand thread nut, M10 x 1.25 pitch...

  • Page 3: Technical Data

    SERVICE INFORMATION SRM-265ES 1-2 Technical data Model SRM-265ES (L) SRM-265ES (U) Engine Idling speed r/min 2600 - 3200 Wide open throttle speed r/min 9400 - 10400* 10200 - 11200** Clutch engagement speed r/min 3600 - 4200 Compression pressure MPa (kgf/cm ) (psi) 0.99 (10.1) (143) Ignition system...

  • Page 4: Torque Limits

    ** The torque differences among four bolts should not exceed 20 kgf•cm (2N•m, 17in•lbf) on one cylinder or crankcase 1-4 Special repairing materials Material Location Remarks Grease Drive shaft Gear case Lithium based grease or ECHO LUBE Rewind spring Starter center post Oil seal inner lips Thread locking Starter case Loctite #675 or equivalent sealant...

  • Page 5: Service Limits

    SERVICE INFORMATION SRM-265ES 1-5 Service limits 5K243 5K228 5K229 5K230 5K231 5K016 5K042 5K244 5K219 5K171 5K232 Description mm (in) Cylinder bore When plating is worn and aluminium can be seen Piston outer diameter Min. 33.92 (1.335) Piston pin bore Max.

  • Page 6: Special Tools

    SERVICE INFORMATION SRM-265ES 1-6 Special tools Key Part Number Description Used for: 897801-33330 Tachometer PET-1000 Measuring engine speed 363018-00310 Washer Installing crankcase oil seal 895610-79920 L-hex wrench (4 mm) Removing and installing hex. socket bolts (M5) 897603-23030 PTO shaft puller Removing driven (PTO) shaft 897701-06030 Bearing wedge Removing ball bearings on crankshaft...

  • Page 7: Carburettor Adjustment Procedure

    SERVICE INFORMATION SRM-265ES 2 CARBURETTOR ADJUSTMENT PROCEDURE 2-1 General adjusting rules A. Before starting the unit for adjustment, check the following items. 1. The correct spark plug must be clean and properly gapped. 2. The air filter element must be clean and properly installed. 3.

  • Page 8: Adjusting Carburettor

    SERVICE INFORMATION SRM-265ES 2-3 Adjusting carburettor 1. Start and warm up engine alternating engine speed between WOT and idle every 5 seconds for 1 minute. 2. Adjust idle mixture needle (D) to reach maximum idle speed with 2.5 mm blade screwdriver. 3.

  • Page 9: Service Hint

    SERVICE INFORMATION SRM-265ES 3 SERVICE HINT 3-1 Reassembling 2 Nord-lock washers on Muffler 1. 2 Nord-lock washers (A) are installed to prevent muffler nuts (B) from loosening. There is a chance for the 2 Nord-lock washers (A) to drop separately when loosening muffler nut (B).

  • Page 10: Adjusting Throttle Cable

    SERVICE INFORMATION SRM-265ES 3-2 Adjusting throttle cable 1. When squeezing throttle trigger (A), make sure throttle plate (B) should be full open at WOT position. Throttle plate tab (b) should contact with plastic boss (E). 2. When squeezing throttle trigger (A) without throttle trigger lockout (C), there is a chance for inner cable (F) of throttle wire to move a little bit.

  • Page 11: Replacing Crankshaft

    1. Loosen and remove 3 bolts (A). 2. Thread flange nut (C) (guide bar flange nut on some ECHO chain saws) on crankshaft 3 turns on flywheel side of crankcase. 3. Screw the bolt (B)(M8X8) in the flange nut (C) until the bolt (B) bottoms.

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