5) FAN MOTOR OPERATED 19 Front P1 P2 T1 A1 20 40 T2 A2 16 17 16 Rear 15 S2 B2 B1 S1 S3 18 PS Priority valve P B3 G1 Parking Return line 18 18 PS PS 41 T/M G2 PS 22 23 24 2 29 30 D Return line 25 T P B B A A 21 B Main pump L S 740F4BS06 When the brake accumulators are fully charged, the priority valve switches position and the oil is directed to hydraulic fan motor through directional valve (30). The flow of the oil causes fan motor (29) to rotate the fan blade. The rotation of the fan forces cool air to flow through the cooler. 4-8 26 26