Completely strip machine back to bar frame.
Shot blast frame and repaint user specified colour.
Machine all secondary copper faces.
Test welding transformer and check water ways.
Replace all cylinder and head seals.
Rebuild machine replacing shunts where necessary.
Fit new SMC air valve and filter regulator.
Re pipe air and water system with machine distribution board.
Fit free issue weld control and wire to customers specification.
Test for 5000 cycles and supply back to the customer.