JCB JS 130 / 131 late model Double Acting Conversion Kit, kit of parts used to convert factory fitted single acting hammer circuits to double acting two way circuits to work the open / close function on attachments such as tree shears (kit gives the option to return to hammer function when required) and has the parts to add shut off taps to the attachment end of the steel pipes (factory hammer lines have no shut off taps to turn off oil when changing attachments) works with existing hammer flow control function and uses existing service line RVs fitted into machine valve block (please note early machine up to 2004 may require service line RVs adding to the machine valve block), kit comes with all parts required to fit and full fitting instructions and can be shipped to most locations.
