Abstract: A press frame for use with a portable hydraulic power supply in which the power supply comprises a cylinder having a threaded end. The press frame comprises a c-shaped support member having a top arm and at least two bottom arms and an intermediate arm connecting the top and bottom arms. There is provided an aperture in the top arm for receiving a sleeve constructed so as to receive the cylinder of the power supply. There is also provided a lock to threadably engage the threaded end of the cylinder to releasably hold the cylinder in place relative to the press frame.