How to disassemble, inspect, clean, change seals, service, test and adjust the regulator.
Sorry for the poorquality guys.
Seal Sizes
Cylinder: 27x2mm N70
Valve Pin: 3x1.5 N90
Valve Housing: 9x1.5mm N70
Vent Piston: BS005 N70
Reg Piston: 7x1.5mm N70
Reg Housing: 8x1.5mm N70
Reg Inlet: BS005 N90 Viton
Reg Inlet (test nipple) BS 005 N70
Reg Test Port: 2.5x1.5mm N70