Hydraulic System And Mechanical Operation; Identification Of Oil Channels In Oil Pump; Identification Of Oil Channels In Case Front Face; Identification Of Oil Channels In Case Face - Datsun 620 Series 1977 Service Manual

HYDRAULIC SYSTEM
AND MECHANICAL
OPERATION
The
operating
system of oil
pres
sure
in each range is
described below
The oil
pressure
in
each
circuit
shown
in
the illustration
is
classified
as
follows according
to the
function
fhe
numeraJs
show the circuit
num
bers
Pressure
source
of the line
7
Operating
Iinc prcssure
for friction elements
123456 8910
1112
Auxiliary line
pressurc
13
Throttle
system
pressure
16 17
18 19
Others 14 15
Oil pump
discharge
hole 7
Cd
Torque
converter pressure
14
Rear
iutch
prc
surc
1
FTOOI c1
tL
h prc
ur
It
J 1
011
pump Sllctlon
hole
M
IIJ1iIII
Automatic Transmission
Fig AT 21 Identification of oil channels in oil pump
AT105
Oil
pump
suction hole
ATl06
Fig
AT 22
Identification of oil channels in
case
front
face
I
o
Oil
pump
di s char hole
7
I9JM
c
Torque
converter
f
Os
I
1L
0
ervo Ie ease
pressure
14
0
pressure
10
Rear
clutch
Servo
t
ightening
ho
L
pressure
l
0 1
pressure
9 lJ
L
I
c
I
Front clutch
IT
0
LIO reverse
brake pressure
12
U
r F T
II
pressure
11
rrOil
pump
suction hol
J
C Jf JC
O
Governor
pressure
15
Governor feed pressure l
An07
Fig AT 23
Identification of
oil channels in
case
face
AT 13