Hydraulic System Flow; Hydraulic Pressure Hose Circuit (High-Pressure) - Kubota u15-3 Workshop Manual

h. Hydraulic system flow

1. Hydraulic Pressure Hose Circuit (High-pressure)

(18)
Hoses at upper side
No.
(1) Pump (P1)~CV (P1) White
(2) Pump (P2)~CV (P2) White
(3) Pump (P3)~CV (P3) White
(4) CV (A7)~SJ (I) Yellow
(5) CV (B7)~SJ (H) Green
(6) CV (A6)~SJ (F) Blue
(7) CV (B6)~SJ (E) Red
(8) CV (B3)~Swivel Motor (B) Gray
(9) CV (A3)~Swivel Motor (A) Light blue Swivel Right
(10) CV (A1)~Swing cyl. (Bottom) ?
(11) CV (B1)~Swing cyl. (Rod) Orange
(12) CV (B2)~Selector V (P1) Pink
(13) CV (A2)~Selector V (P2) Brown
(14) SJ (B)~Selector V (B2)
(15) SJ (C)~Selector V (B1)
(16) SJ (J)~Selector V (A1)
(17) SJ (A)~Selector V (A2)
Position for use
P1
P2
P3
Travel Left Backward
Travel Left Forward
Travel Right Backward
Travel Right Forward
Swivel Left
Swing Left
Swing Right
CV dozer raising
CV dozer lowering
Dozer raising (Rod)
Dozer raising (Bottom)
Truck elongation (Bottom)
Truck retraction (Rod)
II-103
(19)
(21)
Q'ty No.
1 (18) Control valve
1 (19) Selector valve
1 (20) Swing cyl.
1 (21) Swivel motor
1 (22) Pump
1
6
1
1
1
1
1
1
1
1
1
1
WSM U15-3
(20)
(22)
Part Name