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Message: <blockquote data-quote="Fishfiles" data-source="post: 50369" data-attributes="member: 782"><p>John , fisrt thing is to relieve the pressure on the machines quick couplers before trying to hook up the hoses as if there is pressure on the coupler then it will be hard or impossible to push the connector on  , you release the pressure by working your steering lever right and left a couple of times , you should also relieve the pressure before disconnecting the attachment ,  be aware that if the person who removed the attachment last didn't relieve the pressure then pressure can be stored in the attachment and it will be hard to make the connection  sometimes you will have to crack open the hose fitting at the quick coupler to relieve the pressure so it will snap together easily --------------------- another thing to tell you is the detent feature of the aux lever ( this locks the aux on ) should not be used when using a hammer , you should only engage the aux when the hammer point is making contact with the concrete , the trem is dry hit when you apply the pressure and the hammer hits with out anything to abosrb the force , dry hitting will shorten the life of  the hammer --------------grease the fitting on the hammer every 4 hours of operation , but don't over grease it  5 pumps is enough , depending on hammer there could be 1 , 2 or 3 nitrogen chambers , the hammer will not give you maximum performance if the nitrogen is not to the proper charge pressure , some tell tale signs of low charge pressure are , a machine gun type sound and not much penetration into the concrete  or a slow ,tap ,  tap , tap , another is when you see the hoses violently jumping around , and improperly charged hammer won't have  nearly as much production as one that is , in other words it may take 4 hours to do what could be done in 30 minutes , one more thing to say is that if you hit in one spot for 30 to 45 seconds and don't see any penetration happening there reset the hammer and try again  don't let it set there in one spot for 2 minutes straight ------------good luck</p></blockquote><p></p>

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