Hydraulic system 373 Working hydraulics, without code H86: Hydraulic connections Working hydraulics, with code H86: Technical data Power hydraulics Z Circuit I Plug-type coupling ISO 16028 - size 12.5 Red hydraulic connections 1, 2 Green hydraulic connections 3, 4 Yellow hydraulic connections 5, 6 Blue hydraulic connections 7, 8 Circuit II red: pressure line: ISO 16028 - size 19, con- nector black: separate return flow line: ISO 16028 size 19, coupling Circuit I Plug-type coupling ISO 7241-1 size 12.5 Red hydraulic connections 1, 2 Green hydraulic connections 3, 4 Yellow hydraulic connections 5, 6 Blue hydraulic connections 7, 8 Circuit II red: pressure line:
ISO 7241-1 size 20, con- nector black: separate return flow line= ISO 7241-1 size 20, coupling Circuit III Pressure line, screw coupling (Voswinkel type HS 20), connector Return flow line, screw coupling (Voswinkel type HS 20), sleeve Circuit IV Pressure line, screw coupling (Voswinkel type HS 20), connector Return flow line, screw coupling (Voswinkel type HS 20), sleeve Leak oil connection Screw coupling (Voswinkel type HS 10), sleeve