Service Manual

2 - 6 5xi Series Tractor Hydraulic Service Manual
THEORY OF OPERATION
2
(A) Charge Pump
(B) Transaxle Sump
(C) Filter
(D) Lift Valve
(E) Lift Cylinder
(F) Relief Valve
Setting on manual steering units 700-800 PSI (48.2 - 55.2 bar)
(G) Charge Pressure Test Point: 30-90 PSI (2.1 - 6.2 bar)
(H) Lift Pressure Test Point: 700-800 PSI (48.2 - 55.2 bar)
Red = Oil Under Pressure
Blue = Oil Not Under Pressure
Green = Suction Line
NOTE: Pressurization of lines at lift/steering
cylinders reverses with change in valve
actuation. Lift valve noise is normal.
A
B
C
D
E
F
H
G
I
HYDROSTATIC TRANSMISSION FLOW DIAGRAM WITHOUT POWER STEERING
Illustrator Files/5xi wo ps.eps