Operating Principle Of Wheel Motor - Kubota u15-3 Workshop Manual

WSM U15-3
4. Principle of operation

(1) Operating principle of wheel motor

(3)
(1) Stationary part
(2) Rotating part
(3) Counter balance valve
(4) Two - speed spool
Description of operation
The PHV series travelling motor has a stationary main body composed of a hydraulic motor and hydrau-
lic valve and a rotating main body composed of a simple planetary gear reducer.
(1) (2)
(5)
(4)
(5) Hydraulic motor
(6) Symple planetary gear reducer (two - step)
(7) Carrier 2
b : four planet gears,
1
(8)
b : three planet gears
2
(6)
(5)
II-78
(7)