MACHINE READY FOR ATTACHMENT ATTACHMENTS AND OPTIONS MACHINE READY FOR ATTACHMENT 0. LOCATIONS 0. (1) Stop valve (2) Selector valve (3) Attachment control pedal (4) Pedal lock (for attachment control pedal) Stop Valve 0. This valve (1) stop the flow of the hydraulic oil. direction of slit at hexagonal portion Position (a): Hydraulic oil stops. Position (b): Hydraulic oil flows. When removing or installing attachments, set this valve to the position (a). Rotate the hexagonal portion to the point where it is stopped by the stopper. Width across flats of hexagonal portion: 19 mm (0.7 in) 6-14