MG MGB User Manual

THE FRONT
SUSPENSION
K
6.
.Remove
the
two
bolts and
two
screws
securing
the
rebound
buffer
brackets
to
the cross-member
and
remove
the
brackets. '
Examination of
components
Thoroughly
clean
and
dry all
components
and
inspect
them
for cracks, fractures,
deterioration, and thread
damage.
Additionally,
carry
out
the following
examinations:
1.
Check the
hub bearings
as
described
in
Section K.2
and the
swivel axles and
pins
as
described
in
Section
K4.
2.
Renew
rubber bushes
or
seals
that
are
perished,
split,
V
eccentric,
or
oil-soaked.
3.
Examine
the holes
in
the
wishbone
arms
and
spring
pens
for elongation.
_
4.
Examine the
coil
spring
for
correct
length
and weight
as
given
under ‘GENERAL DATA’.
5.
Check
the fulcrum
pin
distance tubes for
scoring
or
wear.
The tubes
are
2.337
in.
(59.36
mm.)
long
by
.748
in.
(19.0 mm.)
diameter.
6. Examine
the fulcrum
pin
thrust
washers for
wear or
.
ridging. The
faces
should be ■at
and
parallelrto
within
.0005
in.
(.01 mm.).
The washers
are
between: .065
and .068
in.
(1.68
and
1.73
mm.)
thick.
Assembling
and replacing
Assembly
and replacement
is
a
reversal of the dismantling
and removal
sequence,
but
attention
must
be
given
to-the
following:
‘
1.
The
swivel axles
must
be free
to rotate
on
the
pins
as
described
in
Section K.4.
/
~
.
2. The
fulcrum
pin
distance tubes, thrust
washers, seal
supports,
and
seals
should
be temporarily
assembled
and
the
swivel
pin
end-■oat checked.
This
should be
between
.008
and
.013
in.
(.20
and
.32
mm).
3. When assembling the lower wishbone
arms
the
inner
pivot
must
be
fully tightened
before the coil
spring
is
■tted.
This
may
be done
in
either the
static
or
rebound
position.
'
Section
K.7
ADDITIONAL
SWIVEL
PIN GREASE NIPPLE
On later
production
cars. an
additional
grease
nipple
is
provided
on
the
swivel
pin
lower bush.
Earlier
cars can
be modi■ed
as
follows
l.‘
Remove the s'wivel axles
as
described
previously.
2’; Using
a
No. 3
(.213 iii. (.541_‘mm.))
drill,
carefully
drill each swivel axle.
in
the.
position
shown
at
,‘X’
in
Fig.
K.4.
-
'
'
'
'
NOTE—Drilling
.is in
tlfe
same
position
for
both
hands,
i.e.
facing forward
on
L.H.
si‘le,
rearward
on
_
R.H.‘
side.
*
.
~
3. Tap the
%in.
UNF. drilled
holes,.%in. (6.35
mm.)‘deep.
.
'
MGB. Issue
4.
69615-
,
.
-
I
Fig.
K.4
Fitting
additional
grease
nipple
to
swivel
pin lower bush
(earlier
cars)
c.
1%
in. (1.6
m.). E.
6°.
D.
t
in. (19 mm.). F.
12°.
4. Remove drilling swarf and
any
fraze from
inside bush
bore.
_
,
5. Fit
grease
nipple_(UHN
400)
to
both
swivel axles.
6.
Coat
swivel
pins
with
grease
before
assembly.
Fig.
K.5
Assembly
of front
suspension
cross-member
to
body side-member,
showing:
‘
1.
Upper
mounting pad.
.
2.
Lower
mounting pad.
3.
Clamp plate”
K.7

MG MGB Specifications

General

Brand	MG
Model	MGB
Category	Automobile
Language	English