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Message: <blockquote data-quote="TriHonu" data-source="post: 58665" data-attributes="member: 897">Glad to help.When I wanted to try this setup, I phoned Stanley Hydraulics and told Tech Support what I wanted to do and they addressed my concerns and explained the issues that will cause damage or will keep the hammer from working.There are user manuals available for these tools.The manual will also spec hose sizes, (for my BR87 it is 1/2" hose for up to 50 feet, or 5/8" hose for up to 100 feet).I have 18 inch hoses attached to the breaker with common farm hydraulic couplers on the ends.  I then attach a pair of 16 foot hoses with the matching farm couplers on one end and the flat face couplers on the other end.  (The common farm couplers are less than one third of the cost of the flat face couplers.)   I did not want the extension hoses permanently attached to the breaker, for storage and portability reasons.The other thing you need to be aware of  is these hydraulic hammers have a nitrogen charged accumulator in them.  Over time the nitrogen charge can/will leak out and the breaker will not hammer with much force.  Any good hydraulic shop should be able to recharge the accumulator.  On my BR87 the nitrogen pressure in the accumulator is 800 psi.  The manual for your hammer will spec the recharge pressure.</blockquote>