2) 2) LEFT TURN LEFT TURN 13 13 17 LH RH 14 R L H G T MCV P Return line 16 S1 D P T 39 Return line X1 X2 X3 5 PS X1 1 B1 Return line L L1 S1 Fan & brake pump 955A5SE03 · When the steering wheel is turned to the left, the spool(G) within the steering unit(14) connected with steering column turns in the left hand direction. At this time, the oil discharged from the pump flows into the spool(G) of the steering unit(14) through the spool(D) of priority valve(16) and flows into the gerotor(H). Oil flow from the gerotor flows back into the spool(G) where it is directed out the left work port(L) to the respective chamber of the steering cylinders(13).
Oil returned from left and right cylinder returns to hydraulic tank through the spool of the steering unit. When the above operation is completed, the machine turns to theunit. · · · 5-4 LS 15 EF LS 27 26