Echo CS-400 Service Manual
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01-40D-00
SERVICE MANUAL
SUPPLEMENT
(Serial number : 11000001-11999999)
(Serial number : 12000001-12999999)
(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
DATA are based on the latest products infor-
mation available at the time of publication.
INDEX
CS-400

CHAIN SAW

CS-400
ECHO:
CONTENTS
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
Reference No.
I S S U E D :
1
0
page
01-40D-00
2 0 1 0 0 2

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Questions and answers

Bruce Hauffe
January 27, 2025

can i get a hard copy for a cs 400 chain saw . lost mine moving THANKS

1 comments:
Mr. Anderson
February 10, 2025

A hard copy manual for the Echo CS-400 chainsaw can be obtained by ordering it from an ECHO dealer.

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Summary of Contents for Echo CS-400

  • Page 1: Table Of Contents

    CS-400 01-40D-00 SERVICE MANUAL SUPPLEMENT CHAIN SAW CS-400 ECHO: (Serial number : 11000001-11999999) (Serial number : 12000001-12999999) (Serial number : 13000001-13999999) INTRODUCTION CONTENTS page We are constantly working on technical im- 1 SERVICE INFORMATION......2 provement of our products. For this reason, 1-1 Specification ..........
  • Page 2: Service Information

    SERVICE INFORMATION CS-400 1 SERVICE INFORMATION 1-1 Specifications Model CS-400 Dimensions Length* mm(in) 393 (15.47) Width mm(in) 245 (9.65) Height mm(in) 277 (10.91) Dry weight* kg(lb) 4.6 (10.1) Engine Type YAMABIKO, air-cooled, two-stroke, single cylinder Rotation Clockwise as viewed from the output end Displacement 40.2 (2.453)
  • Page 3: Technical Data

    CS-400 SERVICE INFORMATION 1-2 Technical data Engine Idling speed 2,650 +/- 250 Wide open throttle speed* 12,000 - 12,600 Clutch engagement speed 4,100 † Service limit speed 3,200 Compression pressure MPa (kgf/cm ) (psi) 0.88 (8.9) (127) Ignition system Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)
  • Page 4: Torque Limits

    Loctite #424, ThreeBond #1741 or equivalent Liquid gasket Crankcase seams Loctite #515 or equivalent Grease Auto-oiler worm Clutch needle bearing Lithium based grease or ECHO XTended Handle cushions Protection Lubricant Rewind spring Starter center shaft Chain brake (metal contact part)
  • Page 5: Service Limits

    CS-400 SERVICE INFORMATION 1-5 Service limits 5K275 5K277 5K278 5K279 5K280 5K016 5K042 5K276 5K173 5K174 5K190 5K191 Description mm (in) A Cylinder bore When plating is worn and aluminum can be seen B Piston outer diameter Min. 39. 89 (1.570)
  • Page 6: Special Tools

    SERVICE INFORMATION CS-400...

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