Subaru SVX 1992 Manual page 849

BRAKES [M5B5] 4-4
O O
°°°o
~ o
°°°
.
4- -r
000
F
sac°o
7
4- h
F
0 - 0i
1 Master cylinder
~ooo
.00
o °
.00
2 F-valve
° ° o
3 Check valve
G
000
4 Magnet valve
5 Reservoir
06
08 6 Inlet valve
°oo
v
C
oo°
u
°
_
000o0
7 Plunger pump
IO
°oo 8 Outlet valve °
00000
9 Bearing
10 Motor
11
Accumulator
O °
0
o
0
o
0 M v
12 Wheel cylinder
0 0
8 4-041
Fig. 29
2) Pressure-decrease action with ABS in operation voir 5@ then passes through inlet valve © and is
When the wheels begin to lock during brake application,
increased by plunger pump 0 . Increased brake fluid
the E.C .U . emits an instruction so that a current of 4.8 to
then passes through inlet valve © and is stored in
flows through magnet valve ® .
accumulator @1 . At this point, the increased brake fluid
This closes the inlet port of the magnet valve ® and
pressure is sealed by the ball of valve F © to shut out
opens the outlet port so that wheel cylinder ® pressure
the fluid pressure in master cylinder 1T : Fluid pressure
is delivered to reservoir 5) via the outlet port . Since
in wheel cylinder ® also shuts out the fluid pressure in
current also flows through the motor ® (simulta-
the master cylinder 1T by means of check valve 5) .
neously when the current flows through the magnet
valve), motor ® will start to activate the plunger pump
Wheel cylinder ® fluid pressure will then decrease to
0 via the bearing 90 (provided with an eccentric cam)
prevent the brake pedal from kicking back while it is
connected to it. Brake fluid pressure delivered to reser-
being controlled to accommodate vehicle deceleration .
30
0
°°°o
°°° .
°°oca
M+
1
°° 0
Co
°
°
o 0 0 ° o
o 0 0 ° ° 0
02,
t
60
08
0000
°°°°U >>
-
0 0 0
°°°° °°° 1
L
I .P°oo,
0 0 0
OO
0
5A
o o U
M
° ° B4-042
Fig. 30
19