Issue 1 - JH Fletcher & Co.
Contents
1. Almost always a hose fails without warning during production and the immediate reaction is to get the hose changed and the machine back to work Money is not being made while the machine is down people are being paid and not pro ducing So a hose is dragged to the machine and quickly installed without properly cleaning the fittings or making sure the replacement hose is clean or of the correct length and pressure rating Yes the machine may be back in operation but at what real price The answer much higher than you would think We have already mentioned the problems with contamination but also a hose of incorrect length can interfere with machine functions or even create a safety haz ard and a hose not properly rated for the circuit pressure can at best fail prematurely and at worst cause serious per sonal injury or even death Here are some general guidelines to follow when replacing a hydraulic hose 1 Make sure the replacement hose pressure rating is correct The pressure rating of the hose is embossed on the hose this is an MSHA requirement When replacing the hose check the hydraulic circuit for your machine and determine the pressure rating of the hose required Don t depend on replacing the hose with the same pressure rating as the failed hose it may have been incorrectly installed previously 2 Make sure the replacement hose is the correct size and length 3 Clean the inside of the replacement hose 4 Clean the replac2. Fletcher ove Newsletter Fletcher s EQUIPMENT J H Fletcher amp Co UNDERGROUND MINING EQUIPMENT INDUSTRIAL MINERALS ROCK DIVISION www jhfletcher com 2012 Issue 1 Inside J H Fletcher amp Co Shipping Equipment to Zimbabwe South Africa Page 2 Replacing J H Fletcher through Hydraulic Hose our distributor GHH Mining Machines has now placed a roof bolter in Zimbabwe in Southern Africa The ma Pave 3 Paes sy chine is the first single head 4 p man in position roof bolter MinExpo for Anglo Platinum The Brrr i machine is equipped with a Universal x ni E eS as DR N ke low profile drifter that was Warning gr i A __ specifically designed for z i pte __ hard rock applications The Joy Mining ere Hes __ bolters low profile carrier ERIA E iz i elk ones T 1 4 meters along with an EO RN MiJa Da ie n wise nah t aga _ efficient diesel electric pow Se er combination will signifi Page 4 l biy EE ON cantly improve the bolting productivity The first ma E Ale ia F chine has been shipped with an additional 8 ma Tieck aY s lt s chines to be completed and shipped over the next rey pos Se several months e t CEDA g re Si Ads te ghee there Sa SAAS Ra ok es ag ae n N per E E rer a S lai a ha E UNEN a MASES 2 UA Y gt E tees Bb Bese y S E EIAN ANE Rds a O amp A booth at MinExpo in September For additional infor mation on this machine contact B
3. ct line includes high medium and low seam roof bolters mobile roof supports pan line bolters long hole drills diesel tractors drill jumbos scaling vehicles and beam setters Greg Hinshaw CEO said Fletcher is excited about the distri bution agreement with Joy Mining Machinery Joy s industry leading global network of company direct to customer sales and service locations will be beneficial to our existing customers and expand Fletcher s international presence Jez Leeming Joy s Global Product Director for Bolter Miners and Bolters said Fletcher s mobile roof bolters are a welcome and com plementary addition to Joy s existing product line allowing Joy to offer customers a broad line of bolting solutions in cluding mobile roof bolters for low seam applications under 1 8 meters 6 J H Fletcher amp Co is the leading custom designer and man ufacturer of roof bolters mobile roof supports and mobile drills for underground mining in both the coal and industrial minerals industries worldwide The company has been serv ing the mining industry since 1937 by providing the safest and most productive equipment available For more infor mation go to www jhfletcher com Joy Global Inc is a worldwide leader in manufacturing ser vicing and distributing equipment for surface mining through P amp H Mining Equipment and underground mining through Joy Mining Machinery Its headquarters are in Milwaukee Wiscons
4. ement hose fittings and plug with clean plugs to prevent contamination during delivery to the machine 5 Before removing the failed hose thoroughly clean the hose ends and fittings with an approved aerosol cleaner make sure all dirt is removed 6 After removing the failed hose cap the fittings with clean caps to prevent the introduction of contamina tion 7 Route the hose properly don t take shortcuts 8 Use the correct torque when tightening hose ends Note There are additional measures which must be taken when replacing rockdrill hoses See the Service Manual for instructions concerning changing rockadrill hoses Does this take extra time and effort Yes BUT REMEMBER THAT SORE FINGER YOU GOT FROM NOT TAK ING THE TIME TO DO THINGS RIGHT IN THE FIRST PLACE Page 3 Aa INTERNATIONAL September 24 26 Las Vegas Nevada USA www minexpo com Taig Booth y 2615 Please join J H Fletcher amp Co at Booth 2615 for MIN Expo INTERNATIONAL 2012 the world s largest mining show Scheduled for September 24 26 at the Las Vegas Convention Center the show is on track to set rec ords again Por favor unase a J H Fletcher amp Co en el stand 2615 del MINExpo INTERNACIONAL 2012 jel espectaculo de mineria mas grande del mundo Programado para to mar lugar del 24 al 26 de Septiembre en Las Vegas Con vention Center el espectaculo esta en camino a estable cer records nuevamente Noticia para nues
5. illy Goad at J H Fletcher amp Co The Fletcher Prod uct Newsletters are available online at www jhfletcher com You can download from there or sub scribe to receive the newsletter by e mail Page 2 J H Fletcher amp Co 2012 Issue 1 REPLACING HYDRAULIC HOSES We have all done it Been working on something and cut our finger Rather than stopping and cleaning the wound we continue working Later the next day or so we wind up with a painful sore finger all because we failed to eliminate contamination germs from the cut We knew what to do but we didn t take the time to do things properly clean the contamination from the cut Medical professionals learned long ago that it is necessary to clean and disinfect before cutting into an area of the body to eliminate the consequences of outside contamination germs in this case When working with hydraulics changing a hose or component can be thought of in the same way We are opening up the system to the possible introduction of contamination Due to the close clearances and small passageways used in all modern hydraulic systems this contamination can cause serious problems including premature component wear and failure Not to mention malfunctioning or sticking valves a serious safety concern Usually contamination of the hydraulic system happens for the same reason as our painful finger we didn t take the time to do things right and eliminate contamination
6. in For more information visit www joyglobal com Page 4 J H Fletcher amp Co 2012 Issue 1 Q amp A How often should the HEPA filter in the environ mentally controlled cab be changed The HEPA filter and the Pre Filter should be re It is extremely important when you purchase a piece of placed after every 250 hours of machine operation production equipment that unexpected down time is The filter pleats in each are very fragile so don t limited However required maintenance on your Fletcher touch or allow the pleats to come into contact with equipment does not have to interrupt your production other objects objectives J H Fletcher amp Co now provides maintenance services through Fletcher Service Inc This company s purpose is to provide timely audits on Fletcher equipment On the Jumbo Drill when should the striking bar be to identify areas that require attention and prevent un replaced scheduled down time Fletcher Service Inc can provide you a cost effective audit program on your Fletcher A The striking bar should be inspected after every 40 equipment and perform needed repairs before a problem e hours of machine operation Disassemble the front turns into lost productivity Through a planned audit of the drill and remove the striking bar Check the program you can always keep ahead of required internal female thread the back surface of the maintenance issues on your equipment If you are splines and
7. the impact end of the bar Replace the interested in this service please call Mike O Leary Sales bar if the threads show significant wear or if either Manager in our Industrial Minerals Department You can the back of the splines or the striking end of the bar email Mike at moleary jhfletcher com show any damage Failure to replace a damaged bar may result in drill failure The information contained in this newsletter has been obtained from sources believed to be reliable and the editors have exercised reasonable care to assure its accuracy However J H Fletcher amp Co does not guarantee that contents of this publication Currently we are only sending the Fletcher Newsletter to a select readership If you know of someone in your company who wishes to be placed on our mailing please let us know Below is a form for a free subscription to the newsletter Just fill out the form and return it to J H Fletcher amp Co Risk Management Box 2187 Huntington WV 25722 are correct and statements attributed to other 2187 i sources do not necessarily reflect the opinion or i position of J H Fletcher amp Co FREE SUBSCRIPTION FORM Published by J H Fletcher amp Co ome Tbt Huntingt ee ae 2187 Company___ Address EEEE i Cit Stat Zi 2010 w e J H Fletcher amp Co Box 2187 Huntington WV 25722 2187
8. tros clientes de habla Hispana Algunos manuales de operadores gen ricos se encuentran ahora disponibles en espanol J H Fletcher amp Co 2012 Issue 1 Universal Warning Sign This is the new Fletcher Universal Warning Sign When you see this sign it is a reminder to STOP LOOK and LISTEN and failure to use safe operating practices at all times can and will result in serious injury or death to you or to others You will start to see this symbol at various places throughout Fletcher operator s manuals training materi als and orientation videos Fletcher wants you to have a safe and productive work day s SA Xe J H Fletcher amp Co Enters Distribution Agreement with Joy Mining Machinery HUNTINGTON WV January 16 2012 J H Fletcher amp Co and Joy Mining Machinery are pleased to announce the signing of an exclusive distribution and authorized service agreement This agreement which is effective immediately gives Joy the right to market sell and service all Fletcher products to coal mines and only industrial minerals and hard rock mines that use Joy cutting products The agreement includes locations worldwide with the exception of North America including Mexico and Canada Australia and Norway and coal mines in Poland where Joy will not have exclusive rights Fletcher will continue to manufacture market sell and service its products in these areas as it has in the past Fletcher s produ
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