Z62.1-11

Chain saws

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CSA Standards Update Service

Z62.1-11

October 2011

Title: Chain saws

Pagination: 33 pages (viii preliminary and 25 text), each dated October 2011

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CSA Standard

Z62.1-11

Chain saws

Published in October 2011 by Canadian Standards Association A not-for-profit private sector organization

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ISBN 978-1-55491-713-6

© Canadian Standards Association — 2011

All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher.

© Canadian Standards Association Chain saws

Contents

Technical Committee on Chain Saws vi

Preface viii

1. Scope 1

   
   

2. Reference publications 1

   
   

3. Definitions 2

   
   

4. Classification 4

   1. General 4

   2. Types 4

   3. Classes 5

      1. Type 1 5

      2. Type 2 5

         
         

5. General requirements 5

   1. General 5

      1. Type 1 5

      2. Type 2 5

   2. Throttle control system (for Type 1 saws only) 6

      1. General 6

      2. Throttle control trigger 6

      3. Throttle control lockout 6

      4. Throttle control latch 6

      5. Throttle control linkage 6

   3. Handles 6

      1. General 6

      2. Handle clearances and handle dimensions 7

      3. Handle strength 7

      4. Handle vibration isolation system 7

   4. Chain saw starting (for Type 1 saws only) 7

      1. Pull-type starter 7

      2. Compression release valve 7

   5. Controls 7

      1. On/off control (for Type 1 saws only) 7

      2. Oiler control 7

      3. Choke control (for Type 1 saws only) 8

      4. Primer/purge control (for Type 1 saws only) 8

   6. Fuel tanks, oil tanks, and fuel feed lines 8

      1. Fuel tank integrity 8

      2. Fuel tank ventilation 8

      3. Fuel feed line 8

      4. Fuel/oil tank filler location and identification 8

      5. Fuel/oil tank filler openings 8

   7. Chain saw exhaust systems (for Type 1 saws only) 9

      1. Exhaust direction 9

      2. Muffler location 9

      3. Spark-arresting muffler design and construction 9

   8. Saw chain tensioning 9

      
      

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      Z62.1-11 © Canadian Standards Association

      
      

      
      

   9. Guide bar holes 9

   10. Guards 9

       1. Rotating part guards 9

       2. Drive sprocket and clutch guards 9

       3. Hand guards 9

   11. Chip discharge 10

   12. Carburetor adjustments (for Type 1 saws only) 10

   13. Brake effectiveness 10

   14. Chain saw clutch (for Type 1 saws only) 10

   15. Spiked bumper 10

   16. Tools 10

   17. Chain catcher 10

   18. Safety rope attachment device (for Class 1B and 2B saws only) 10

       
       

6. Test requirements 11

   1. Throttle control linkage (for Type 1 saws only) 11

   2. Handle strength 11

   3. Balance 11

      1. Portability balance 11

      2. Sideways balance (for Class 1B and 2B saws only) 11

   4. Vibration (for Class 1A, 1B, 2A, and 2B saws only) 11

   5. Excessive fuel heating (for Type 1 saws only) 11

   6. Fuel tank integrity (for Type 1 saws only) 11

      1. Drop test verification 11

      2. Resistance to fuel soaking and UV exposure 11

   7. Fuel feed line integrity (for Type 1 saws only) 12

      1. Fuel line strength and accessibility 12

      2. Resistance to UV exposure 12

      3. Resistance to ozone exposure 12

      4. Resistance to fuel soaking 12

   8. Chain saw exhaust systems (for Type 1 saws only) 12

   9. Chain saw sound pressure levels 12

   10. Chain brake 12

       1. Chain brake stopping time 12

       2. Chain brake release force (activated manually) 12

       3. Non-manually activated chain brake performance (for Type 1 saws only) 13

   11. Hand guards 13

   12. Chain catcher 13

   13. Holding moment (for Class 1B and 2B saws only) 13

       
       

7. Test procedures 13

   1. Samples 13

   2. Throttle control linkage (for Type 1 saws only) 13

   3. Handle strength 13

   4. Balance 13

      1. Portability balance 13

      2. Sideways balance (for Class 1B and 2B saws only) 13

   5. Vibration 14

   6. Excessive fuel heating (for Type 1 saws only) 14

      1. Test conditions 14

      2. Procedure 14

   7. Fuel tank integrity (for Type 1 saws only) 15

      1. Drop test procedure 15

      2. Resistance to fuel soaking and UV exposure 15

         
         

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         © Canadian Standards Association Chain saws

         
         

         
         

   8. Fuel feed line integrity (for Type 1 saws only) 15

      1. Test procedure for fuel line strength and accessibility 15

      2. Test procedure for fuel line resistance to UV exposure 15

      3. Test procedure for resistance to ozone exposure 15

      4. Test procedure for resistance to fuel soaking 16

   9. Chain saw sound pressure levels 16

   10. Chain brake 16

       1. Chain brake stopping time 16

       2. Chain brake release force 16

       3. Chain brake performance — Inertial activation (non-manually activated chain brake performance) 16

   11. Hand guard strength and durability 16

   12. Chain catcher 16

   13. Holding moment (for Class 1B and 2B saws only) 16

       
       

8. General marking requirements 17

   1. Details of chain saw basic markings 17

   2. Methods of providing the basic markings 17

      
      

9. Operator’s manual 17

   1. General 17

   2. Size of text 18

   3. Language 18

   4. Model number 18

Annexes

A (informative) — General safety precautions for chain saw users 23

Figures

1. — Electric chain saw (Type 2) hand guard alternative dimension 18

2. — Carburetor adjustments 19

3. — Throttle control linkage test procedure 20

4. — Set-up for determining sideways balance 21

5. — Probe for fuel line integrity testing 22

6. — Set-up for determining holding moment 22

October 2011 v