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Service
Manual
HM Range Medium
and
Large Hydraulic
Breakers,
Serial Nos.
1095001 onwards
PUBLISHED BY THE
JCB ATTACHMENTS
RIVERSIDE, RUGELEY
STAFFORDSHIRE, WS15 2WA
ENGLAND
Tel. ROCESTER (01889) 572700
PRINTED IN ENGLAND
Publication No. 9803/1420_02
1
HM Medium Breakers
Issue 2
2
HM Large Breakers
Copyright © 2004 JCB SERVICE. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any other means,
electronic, mechanical, photocopying or otherwise, without prior permission from JCB SERVICE.
World Class
Customer Support
9803/1420-02
Publication No.
Issued by JCB Technical Publications, JCB Service, World Parts Centre, Beamhurst, Uttoxeter, Staffordshire, ST14 5PA, England. Tel +44 1889 590312 Fax +44 1889 593377
Service Manual
HM Range Medium and Large Hydraulic
Breakers, Serial Nos. 1095001 onwards
Section 1 Medium Breakers
Medium Breakers - Contents
i i
9803/1420-02
Chapter Page
Introduction 1
Safety Regulation 1
General 1
Workshop Standards 1
Service Personnel 1
Layout of the Instructions 1
Symbols 2
List of Tools/Standard Tools 4
Charging Equipment 6
Disassemble Accumulator 7
Disassemble Piston 10
Assemble Bushing and Piston 14
Assemble Accumulator 18
Field Bushing Exchange 21
Charge Accumulator 23
Exploded Views 25
Appendix - Breaker Operating Principles 29
Technical Specifications 33
Nitrogen Adaptor Reference Chart 35
Tool Part Numbers 36
Breaker Part Number Matrix 37
Medium Breakers - Introduction
1 1
9803/1420-01
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Medium Breakers - Symbols
2 2
9803/1420-01

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Medium Breakers - Symbols
3 3
9803/1420-01
-INUTES
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Medium Breakers - List of Tools/Standard Tools
4 4
9803/1420-01
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Medium Breakers - Charging equipment
6 6
9803/1420-01
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Thank you very much for
your reading. Please Click
Here. Then Get COMPLETE
MANUAL. NO WAITING
NOTE:
If there is no response to
click on the link above,
please download the PDF
document first and then
click on it.
Medium Breakers - Disassemble Accumulator
7 7
9803/1420-01
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DISMANTLINGACCUMULATOR
MAKESURETHATTHEGASPRESSUREISRELEASEDCOMPLETELY

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Jcb hm range medium and large hydraulic breakers service repair manual sn1095001 onwards

  • 1. Service Manual HM Range Medium and Large Hydraulic Breakers, Serial Nos. 1095001 onwards PUBLISHED BY THE JCB ATTACHMENTS RIVERSIDE, RUGELEY STAFFORDSHIRE, WS15 2WA ENGLAND Tel. ROCESTER (01889) 572700 PRINTED IN ENGLAND Publication No. 9803/1420_02 1 HM Medium Breakers Issue 2 2 HM Large Breakers
  • 2. Copyright © 2004 JCB SERVICE. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any other means, electronic, mechanical, photocopying or otherwise, without prior permission from JCB SERVICE. World Class Customer Support 9803/1420-02 Publication No. Issued by JCB Technical Publications, JCB Service, World Parts Centre, Beamhurst, Uttoxeter, Staffordshire, ST14 5PA, England. Tel +44 1889 590312 Fax +44 1889 593377 Service Manual HM Range Medium and Large Hydraulic Breakers, Serial Nos. 1095001 onwards Section 1 Medium Breakers
  • 3. Medium Breakers - Contents i i 9803/1420-02 Chapter Page Introduction 1 Safety Regulation 1 General 1 Workshop Standards 1 Service Personnel 1 Layout of the Instructions 1 Symbols 2 List of Tools/Standard Tools 4 Charging Equipment 6 Disassemble Accumulator 7 Disassemble Piston 10 Assemble Bushing and Piston 14 Assemble Accumulator 18 Field Bushing Exchange 21 Charge Accumulator 23 Exploded Views 25 Appendix - Breaker Operating Principles 29 Technical Specifications 33 Nitrogen Adaptor Reference Chart 35 Tool Part Numbers 36 Breaker Part Number Matrix 37
  • 4. Medium Breakers - Introduction 1 1 9803/1420-01 7KHWRROPXVWQRWEHPRGLILHGZLWKRXWWKH PDQXIDFWXUHU VSHUPLVVLRQ8VHRQORULJLQDOSDUWV DQGDFFHVVRULHVDSSURYHGE-%6HUYLFH,I PRGLILFDWLRQVDUHPDGHWKDWDUHQRWDSSURYHGE -% 6HUYLFHVHULRXVKDUPWRRXUVHOYHVRU RWKHUVPDUHVXOW $OOXVHUVRIWKLVLQWUXFWLRQPDQXDODUHDVNHGWRLQIRUP-% $WWDFKPHQWVLIWKHILQGDQHUURUVRUGLVFUHSDQFLHVHVSHFLDOO DQDIIHFWLQJSURGXFWVDIHW -%+0%UHDNHUVKDYHKGUDXOLFDOOSRZHUHG SHUFXVVLRQPHFKDQLVPV6LQFHDOOKGUDXOLFDOOSRZHUHG HTXLSPHQWLVVHQVLWLYHWRGLUWWKHEUHDNHUVPXVWDOZDV EHGLVDVVHPEOHGLQDSODFHWKDWLV 7KHIROORZLQJLQVWUXFWLRQVDUHLQWHQGHGWRJXLGHVHUYLFH SHUVRQQHOLQWKHUHSDLURURYHUKDXOLQJRIWKH-% 0HGLXP%UHDNHUV 6HUYLFH3HUVRQQHO VPEROV 7KLVSXEOLFDWLRQLVGHVLJQHGIRUWKHEHQHILWRI-% 'LVWULEXWRU6HUYLFH(QJLQHHUVZKRDUHUHFHLYLQJRU KDYHUHFHLYHGWUDLQLQJEWKH-%7UDLQLQJHQWUH RUE-%6HUYLFH3HUVRQQHO7KHVHSHUVRQQHO VKRXOGKDYHDVRXQGNQRZOHGJHRIZRUNVKRS SUDFWLFHVDIHWSURFHGXUHVDQGJHQHUDOWHFKQLTXHV DVVRFLDWHGZLWKWKHPDLQWHQDQFHDQGUHSDLURI KGUDXOLFHTXLSPHQW 5HQHZDORIVHDOVJDVNHWVHWFDQGDQFRPSRQHQW VKRZLQJREYLRXVVLJQVRIZHDURUGDPDJHLV H[SHFWHGDVDPDWWHURIFRXUVH,WLVH[SHFWHGWKDW FRPSRQHQWVZLOOEHFOHDQHGDQGOXEULFDWHGZKHUH DSSURSULDWHDQGWKDWDQRSHQHGKRVHRUSLSH FRQQHFWLRQVZLOOEHEODQNHGWRSUHYHQWH[FHVVLYH ORVVRIKGUDXOLFIOXLGDQGLQJUHVVRIGLUW)LQDOO SOHDVHUHPHPEHUDERYHDOOHOVH6$)(70867 20(),567
  • 5. Medium Breakers - Symbols 2 2 9803/1420-01 $IRECTION )MPORTANTPOSITIONALRELATIONSHIP )NSPECTANDREPLACEDAMAGED PARTS 4OBEAVOIDED .EWPART /KAY 4URNINGTOENDPOSITION ORCE /IL 'ASRELEASE ,OCTITE 3CRAP
  • 6. Medium Breakers - Symbols 3 3 9803/1420-01 -INUTES #ONTACTSOUND 'REASE 4ORQUE REEZED /NTHEEXCAVATOR .M Frozen
  • 7. Medium Breakers - List of Tools/Standard Tools 4 4 9803/1420-01 $OOHQVRFNHWPP $OOHQVRFNHWVIRUWRUTXHZUHQFK PP
  • 8. Medium Breakers - List of Tools/Standard Tools 5 5 9803/1420-01 ) $VVHPEOWRRO +HOLFRLOWKUHDG LQVHUWV -%3DUW1R
  • 9. Medium Breakers - Charging equipment 6 6 9803/1420-01 -%3DUW1R
  • 10. Thank you very much for your reading. Please Click Here. Then Get COMPLETE MANUAL. NO WAITING NOTE: If there is no response to click on the link above, please download the PDF document first and then click on it.
  • 11. Medium Breakers - Disassemble Accumulator 7 7 9803/1420-01 IG (# E PS IG IG IG 7!2.).' 4HEACCUMULATORISPRESSURIZEDEVENWHENTHEREISNOHYDRAULICPRESSURETOIT!TTEMPTING TODISMANTLETHEACCUMULATORWITHOUTlRSTRELEASINGTHEPRESSUREMAYCAUSEINJURYEFORE DISMANTLINGACCUMULATOR
  • 13. Medium Breakers - Disassemble Accumulator 8 8 9803/1420-01 IG IG IG IG FIG IG IG