ZF Repair Manual: ZF63A, ZF63, ZF80A, ZF80-1A
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Repair Manual and Spare Parts List
Section 6: Hydraulic diagram
HYDRAULIC DIAGRAM
Fluid sump
oil cooler
A
0
B
AB
= Shifting pressure 21.5
+2
bar
= Fluid 2
+0.5
bar
= Leakage fluid
Measuring point for shift pressure M10x1
Lube pressure relief valve
Basic lubricating throttle valve
Fluid delivery pump
Fluid filter
Filte grade 60
Āµ
Fluid sump
Shifting valve
for A-0-B
position
Neutral position
switch indication
by electric signal
Shifting
pressure
relief valve
Connection for
temperature probe
indicating at abt.
110
Ā°
C 3/8ā - 18 NPSF
Direction of
water flow
Illustration shows shifting pos. Ā«BĀ»
oil cooler