MG MGB User Manual

THE BRAKING SYSTEM
Ma
32.
33.
34.
Locate
the
piston
washer
on
the head
of the
secondary
piston,
convex
surface ■rst.
Carefully
ease
the
secondary
main
cap,
lip last,
over
the end
of
the
piston,
using
the
■ngers, and
seat
it
correctly
in
the
groove
adjacent
to
the washer.
Carry
out
operations
32
and 33
with the washer
and
main
cup
of
the
primary
piston.
35. Reverse
the
dismantling
procedure
in
13
to
23
and 25
to
28.
Refitting
36. Reverse
the removing
procedure
in
1
and 4
to
12.
37.
38.
39.
40.
MGB.
Fill
the brake
and
clutch
master
cylinders
with the
recommended ■uid
(see
‘GENERAL
DATA’).
Bleed
the brake
system
(see
Section
M.4)
commencing
with the
rear
brakes.
Bleed
the clutch
system—Section
E.5.
Check
and,
if
necessary,
adjust
the brake pedal
free
movement—Section
Ma.1.
I419,
24 I7
2|
l5
Section Ma.3
PRESSURE FAILURE
SWITCH ASSEMBLY
Removing
1.
Disconnect the
wiring
from
the switch.
2.
Clean the switch
assembly and
its
surroundings,
particularly the
pipe
connections.
3.
Disconnect and plug
the
hydraulic
pipes.
4.
Unscrew the
retaining
bolt and
remove
the
assembly.
Dismantling
5. Remove the
end
plug
and discard the
copper
washer.
6. Unscrew the
nylon switch.
7.
Withdraw the shuttle valve
piston
assembly from
the
bore;
use a
low
pressure
air-line
to
free
the
piston
if
necessary.
8.
Remove
and discard the
two
piston
seals.
4
006414
Fig. Ma.2
A
section
through the
master
cylinder
13.
Piston
washer.
19-
Stop
waShef-
14,
Circlip.
20.
Washer.
15. Cup.
21.
Bearing.
16.
Circlip.
22.
Spring.
17.
Piston.
23.
Push-rod.
18.
Spring
retainer.
24-
Spirolox
ring.
25
.
Rubber
boot.
23
25
I
8
1.
Filler
cap.
7.
Main
cup.
2.
Plastic
reservoir.
8,
Spring.
3.
Reservoir
seals.
9_
Piston
link.
4.
Main
cup.
10.
Pin.
5.
Piston
Washer.
11.
Pin
retainer.
6.
Piston. 12.
Main
cup.
Issue
1.
15676
Ma.3

MG MGB Specifications

General

Brand	MG
Model	MGB
Category	Automobile
Language	English