wsm STW37 Workshop Manual page 354

STW34, STW37, STW40, WSM
3. HYDRAULIC PUMP
The gear type hydraulic pump is adopted for these
models. This pump is called as tandem type and
composed two pair of gears, side plates, bushings and
other components as shown in the figure.
The hydraulic pump pressurize oil from transmission
case through oil filter and send the oil to power steering
circuit and main hydraulic circuit.
(1) Drive Gear 1
(2) Coupling
(3) Drive Gear 2
(4) Driven Gear 1
(5) Bushing
(6) Bushing
(7) Driven Gear 2
(8) Side Plate
7-M3
STEERING
A: From Power Steering
Controller
B: From Transmission Case
C: To Power Steering
Controller
D: To Main Hydraulic Circuit
9Y1211109STM0004US0
KiSC issued 11, 2014 A