य पक पर च लन म मस द. DRAFT IN WIDE CIRCULATION रल ख र षण स ञ पन/DOCUMENT DESPATCH ADVICE स दभभ /Ref. प ज ड 08/(1405, 1406)डब य. ददन क/Date

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1 BUREAU OF INDIAN STANDARDS Manak Bhavan, 9, Bahadur Shah Zafar Marg, New Delhi Website: Phones: , , Production and General Engineering Department, य पक पर च लन म मस द DRAFT IN WIDE CIRCULATION रल ख र षण स ञ पन/DOCUMENT DESPATCH ADVICE स दभभ /Ref. प ज ड 08/(1405, 1406)डब य PGD 08/(1405, 1406) W ददन क/Date तकन क सममतत/TECHNICAL COMMITTEE: व ततल औज ववषय सममतत प ज ड 08 Pneumatic Tools Sectional Committee, PGD 08 सभ सद य क /To all Members of : 1. क) उ प दन एव स म य इ ज तनय ववभ ग य पर षद Production & General Engineering Division Council ख) व ततल औज ववषय सममतत प ज ड 08 Pneumatic Tools Sectional Committee, PGD चच खन व ल अ य सद य/Other Interested Members Dear Sir(s), क पय न ल ख त स र र त कर /Please find enclosed the following documents. र स य /DOC NO. प ज ड /PGD 08(1405)W प ज ड /PGD 08(1406)W श षक /TITLE व य च ल त औज़ र क तक क प नतष शत / Technical supply conditions for pneumatic tools (First revision of IS 11609) प शर ग ववलश ट (पह प र षण)/ Pusher legs Specification (Second Revision of IS 9419) - 2 -

2 क पय इस र क अव क कर और अप स मनतय यह बत त ह ए भ ज कक अ तत: यदद य म क क प म रक लशत ह ज ए त इ पर अम कर म आपक यवस य अथव क र ब र म य कद ईय आ सकत ह /Kindly examine the draft standard and forward your views stating any difficulties which you are likely to experience in your business or profession, if this is finally adopted as National Standard. स मनतय भ ज क अ नतम नतथथ/Last date for comments: यदद आपक क ई स मनत ह त क पय ददय गय र प म अ य ह त षर क उपर त पत पर भ ज /Comments, if any, may please be made in the format as given in overleaf and mailed to the undersigned at the above address. यदद आपक क ई स मनतय र त ह ह त ह य क व स प दक य स मनतय र त ह त ह त हम उपर त र त व क भ रत य म क क अ तलमत प स अथ रहण कर क आपक सहमनत म क अ मनत द पर त यदद हम तक क स मनतय र त ह त ह तब य त व वव य सलमनत क अ यष स पर मशष प च त भ रत य म क क अ तलमत प म प ररत कर अथ रदहत ककए ज ए ग अथव उ क इ छ स र आव यक क यषव ह ह त ववशय सलमनत क ववच र थष भ ज ज ए ग /In case, no comments are received or comments received are of editorial nature, you will kindly permit us to presume your approval for the above documents as finalised for adoption as Indian Standard. However, in case of comments of technical in nature are received then it may be finalized either in consultation with the Chairman, Sectional Committee or referred to the Sectional Committee. यव द/Thanking you, भवद य/Yours faithfully, /Encls.: उपर त/As above. (प.एस म जर /P.S. Mujral) रम / Head (प ज ड /PGD) hpgd@bis.org.in Telefax:

3 Draft for comments only Doc :PGD 08(1405) June 2014 Draft Indian Standard TECHNICAL SUPPLY CONDITIONS FOR PNEUMATIC TOOLS (First Revision of IS 11609) ICS Not to be reproduced without the permission Last date for receipt of comments is of BIS or used as STANDARD FOREWORD This Indian Standard (First Revision) which will be adopted by the Bureau of Indian Standards after the draft finalized by the Pneumatic Tools Sectional Committee with the approved by the Production and General Engineering Division Council. This standard was first published in This revision has been taken up to incorporate the developments in the field. 1 SCOPE This standard covers the technical supply conditions for percussive as well as rotary type of pneumatic tools used in the mining, construction and manufacturing industries. 2 REFERENCES The following Indian Standards contain provisions, which, through reference in this text, constitute provision of this Indian standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this Indian standard are encouraged to investigate the possibility of applying the most recent edition of the standards indicated below: IS No. Title 1503 : 1979 Specification for wooden packing cases (second revision) 5441 : 1986 Specification for portable pneumatic drilling machines (first revision) 5727 : 1981 Glossary of terms relating to compressors and exhausters (first revision) 3559 : 1966 Specification for pneumatic concrete brakers 7157 : 1987 Specification for portable pneumatic grinding machines (first revision) 7605 : 1986 Portable pneumatic chippers (first revision) 7978 : 1984 Specification for portable pneumatic rivet cutters (first revision) 7979 : 1984 Specification for portable pneumatic rivetting hammers (first revision) 8067 : 1986 Specification for portable pneumatic impact wrenches (first revision) 1

4 Doc :PGD 08(1405) 9419 : 1993 Pusher legs Specification (first revision) 9707 : 1994 Pneumatic screw drivers and nut runners (non-impact type) Specification (first revision) 9828 : 2001 Specification for portable pneumatic sanders (first revision) : 1984 Specification for portable pneumatic rammers 3 TERMINOLOGY For the purpose of this standards, in addition to the terms and definitions given in IS 5727 the following shall apply. 3.1 Manufacturer The firm manufacturing the tools. The manufacturer may or may not be the supplier. 3.2 Purchaser The firm/person purchasing the tools. The purchaser shall also cover the person or persons authorized in writing by the purchaser to act on his behalf for inspection of the tools. 3.3 Supplier The firm supplying the tools. The supplier may or may not be the manufacturer of the tools. 4 GENERAL REQUIREMENTS 4.1 Pneumatic tools and accessories supplied along with the tools shall be designed for the required duty as specified in the relevant Indian Standards and/or as agreed to between the purchaser and the supplier. 4.2 If specifically required by the user/consumer, the endurance testing of tool as specified in the standard, shall be carried out in the presence of his representative. 4.3 The manufacturer/supplier shall ensure that the accessories fitted, if any, on the tool shall not obstruct the operation of operator. 4.4 The tools shall be safe to operate at an inlet pressure of 10 percent above the rated pressure for a maximum period of one hour. 5 ENQUIRY, PROPOSAL AND GUARANTEE 5.1 Enquiry 2

5 Doc :PGD 08(1405) The purchaser shall complete the data as given in Annex A to the extent possible and applicable. Purchaser shall also specify any known abnormal conditions of working. In addition, the purchaser may specify any requirements deemed essential A reference to the given below Indian Standards will help the purchaser in framing specification of tools and its accessories: For Percussive Tools: IS 3559, IS 7605, IS 7978, IS 7979, IS 9419 and IS For Rotary Tools: IS 5441, IS 7157, IS 8067, IS 9707 and IS Proposal The supplier shall include a data sheet in his proposal according to Annex B. Any other details required by the purchaser shall also be included The proposal shall include a specific statement that tool is in strict compliance with the purchaser s specifications or a specific list of deviation shall be attached The supplier shall include a list of recommended spare parts along with his proposal for two years of normal operation Unless otherwise specifically agreed to between the supplier and the purchaser, the conditions of commissioning will be as per supplier s standard conditions. 5.3 Guarantee Supplier/manufacturer shall guarantee the tools for a period of six months from the date of supply. The quick wearing parts shall not be covered under the guarantee Performance Guarantee The tools shall be guaranteed for satisfactory performance at the specified operating conditions by the supplier. The supplier/manufacturer shall specify the declared values of the parameters as required in accordance with the relevant Indian Standards. They shall also certify having complied with the specifications. Such a certificate shall be supplied along with the despatch documents Workmanship Guarantee Supplier/manufacturer shall guarantee the tool against the defects which despite proper use appear there in and arise from defective or improper materials or poor or faulty workmanship. Unless specifically agreed to between the supplier and the 3

6 Doc :PGD 08(1405) purchaser, the supplier s normal terms and conditions shall apply for the purpose of this standard. 6 MATERIAL Materials for the construction of pneumatic tools shall be of uniform quality and shall be free from defects and imperfections that might affect the serviceability of the finished products. The materials selected shall be such as to meet the requirements of performance, quality and the endurance tests given in the relevant Indian Standards. 7 MANUAL AND DOCUMENTS 7.1 Each pneumatic tool shall be supplied with the following: a) Instruction manual, b) Guarantee certificate, and c) Special maintenance tools. 7.2 Instruction Manual Instruction manual shall contain the following informations: a) General operating and maintenance instructions; b) An exploded/cross-sectional view of the tools showing the sequence of the assembly; c) List of parts with their respective part numbers; d) Quick wearing parts duly identified; e) Defects and faults likely to occur during operation, and their remedies; f) Lubricating instructions along with the recommended grades of lubricants; and g) Any other specific instructions which the manufacturer feels necessary for proper operation and maintenance of the tools. 8 MARKING Each tool shall be fixed with a suitable name plate having complete data as given in relevant Indian Standards or details punched. 9 PACKING Each pneumatic tool shall be suitably packed to avoid any damage during transit, If agreed to between the manufacturer/supplier and the purchaser, the packing case shall be in accordance with IS

7 Doc :PGD 08(1405) ANNEX A (Clause 5.1.1) PURCHASER DATA SHEET A-l General a) Free air consumption in ma/h and applicable tolerances b) Recommended operating pressure with limitations or range if it is different from the relevant Indian Standards. c) The tool designation as given in relevant Indian Standard. A-2 Operating Conditions a) Site details b) Ambient temperature variations c) Application A-3 Type of Control Preferred A-4 Scope of Supply A-5 Inspection Procedure and Inspection Agency ANNEX B (Clause 5.2.1) SUPPLIER DATA SHEET B-l Type of Tool Offered a) Tool designation as per relevant Indian Standard, b) Type of control. B-2 Performance Data a) Air consumption in m 3 /h and tolerances, b) Operating pressure range, if different than specified in relevant Indian Standard. c) Power developed in kw and speed with applicable tolerances, or pellet reduction value and tolerances. B-3 Inspection Procedure a) Component inspection b) Final assembly test B-4 Scope of supply B-5 Deviations, if any, from the Purchaser s Specification 5

8 For Comments Only Doc :PGD 08(1406) June 2014 Draft Indian Standard Pusher Legs Specification (Second revision of IS 9419) ICS Not to be reproduced without the permission of Last date for receipt of comments is BIS or used as STANDARD FOREWORD This Indian Standard (Second Revision) will be adopted by the Bureau of Indian Standards after the draft finalized by the Pneumatic Tools Sectional Committee with the approval by the Production and General Engineering Division Council. This standard was first published in 1980 and revised in This revision has been taken up to incorporate the developments in the field. For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accordance with IS 2 : 1960 `Rules for rounding off numerical values (revised)'. The number of significant places retained in the rounded off values should be the same as that of the specified value in this standard. 1 SCOPE This standard covers the requirements for pneumatic pusher legs used with light and medium weight rockdrills. 2 REFERENCES The following Indian Standards contain provisions, which, through reference in this text, constitute provision of this Indian standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this Indian standard are encouraged to investigate the possibility of applying the most recent edition of the standards indicated below: IS No. Title 28 : 1985 Specification for phosphor bronze ingots and castings (fourth revision) 554 : 1999 Pipe threads when pressure tight joints are made on the threads Dimensions, tolerances and designation (fourth revision) 617 : 1994 Cast aluminium and its alloys - Ingots and castings for general engineering purposes - Specification (third revision) 733 : 1983 Wrought aluminium and aluminium alloy bars, rods and sections (for general engineering purposes) (third revision)

9 Doc :PGD 08(1406) 1570 (Part 3) Schedule of wrought steels Part 3 Carbon and carbon- manganese free : 1979 cutting steels (first revision) 2062 : 2011 Hot rolled medium and high tensile structural steel specification (seventh revision) 3601: 2006 Steel tubes for mechanical and general engineering purposes Specification (second revision) : 1995 Malleable iron castings Specification (superseding IS 1149, 2108) 3 TERMINOLOGY 3.1 Pusher Leg A pneumatic appliance having a cylinder and piston arrangement used to support the rock drill and to apply feed to the rockdrill during drilling (for tunneling and drifting applications). 4 FEED LENGTH, NOMINAL BORE, MASS AND DIMENSIONS Feed length, nominal bore, mass and dimensions of pusher legs shall be as given in Table 1. 5 MATERIAL The material shall be of uniform quality and shall be free from imperfections and defects that might affect the serviceability of the finished product. Typical materials for main parts of pusher leg are indicated below for the guidance of the manufacturers and users: Sl No. Name of Part Relevant Specification i) Cylinder Cold drawn steel tubes of Grade 370 of IS 3601 or Grade WP of IS 733 ii) Forked support Grade E-250A of IS 2062 or Grade 10C8Sl0 of IS 1570 (Part 3) iii) Spike (Stud ) Grade 10C8Sl0 of IS 1570 (Part 3) or IS iv) Piston rod Grade E-250A of IS 2062 v) Handle Grade BM 350 of IS or Grade 4600A of IS 617 vi) Bushings/guide Grade 2 of IS 28 6 GENERAL REQUIREMENTS 6.1 Air inlet connection shall have pipe threads conforming to IS Control Valve A control valve having a convenient hand wheel; knob, grip shall be provided to adjust the feed pressure. A push button shall also be provided to release the air. 6.3 A carrying handle shall be provided at the middle of the pusher leg.

10 Doc :PGD 08(1406) 6.4 Proper mounting attachment for the rockdrill shall be supplied with the pusher leg. The mounts shall be of screwed Mount A and B or clamped Mount C by means of bayonet coupling, as shown in Figs. 1, 2 and 3 respectively. 6.5 The pusher leg shall be able to work effectively at a nominal air pressure of 6 ± 0.5 bar. 7 TEST 7.1 Air shall be allowed in the pusher leg at specified working pressure. The pusher leg shall then be checked for leakages, etc and there shall be no leakages. 7.2 Test Report If required by the customer, the manufacturer shall supply a test report. 8 DESIGNATION A pusher leg having a feed length of 900 mm, cylinder bore of 63 mm and conforming to this standard, shall be designated as: 9 MARKING Pusher Leg IS Each pusher leg shall be marked with the following: a) Designation; b) Maximum working pressure in MPa; c) Serial number; and d) Manufacturer s name or trade-mark. 9.1 As sufficient place for a data plate to be rivetted is not available on the pusher leg, the data may be on a sticker attached to it.

11 Doc :PGD 08(1406) Feed Length Nominal mm 900 Table 1 Feed Length, Nominal Bore, Mass and Dimensions (Clause 4) Closed Length Min mm Cylinder Bore Diameters Nominal mm Mass Including Mounting Attachment Max kg Mass of Suitable Rockdrill Max Air Inlet Connection According to IS Rc l/ Rc 3/ Rc l/ Rc l/ Rc 3/ Rc l/ Rc l/ Rc 3/ Rc l/2

12 FORMAT FOR SENDING COMMENTS ON BIS DOCUMENTS (Please use A4 size sheet of paper only and type within fields indicated. Comments on each clauses/sub-clauses/table/fig. etc be started on a fresh box. Information in Column 4 should include reasons for the comments and suggestions for modified wording of the clauses when the existing text is found not acceptable. Adherence to this format facilitates Secretariat s work) Doc. No: TITLE: LAST DATE OF COMMENTS: NAME OF THE COMMENTATOR/ORGANIZATION: Sl. No. Clause/Subclause/ para/table/fig. No. commented Commentator/ Organization/ Abbreviation Type of Comments (General/Editorial/ Technical) Justification Proposed change