MG MGB - Centre Support and Planet Gears; Forward Sun Gear Components; Using Tool 18 G 702 to Refit the Rear Clutch Piston; Fitting the Rear Clutch and Forward Sun Gear

THE AUTOMATIC
GEARBOX
Inspection
15.
16.
17.
Examine the
piston
and drum seals for
signs
of
deterioration
or
wear; renew
the seals if
necessary.
Check the friction
plates for
wear
and burning;
burnt
or worn
plates
must
be replaced
as
a
set,
not
individually.
Check
the steel plates for
wear.
The plates
are
coned
.010
to
.020
in.
(.03
to
.05
mm.);
renew
the
plates
in
sets
only.
18.
Examine the
ring
seals and
internal
bush
for
excessive
wear
or
damage.
19.
Examine
the needle-roller thrust
bearings for
wear
and
damage.
Fig.
Fd.28
Using
tool 18G
702
to
refit
the
rear
clutch
piston
Reassembling
20. Reverse the dismantling
procedure
in 7
to
14,
noting
the following
points:
a.
Refit
the
piston into
the
drum
using
tool
18G
702.
b. Ensure
that if
the
original clutch plates
are
being
re■tted
they
are
in
their dismantled
positions,
and that the
coning
on
the
steel plates
is
facing
the
same
direction.
Refitting
21.
Reverse the
removing
procedure
in
1
to
6.
Section
Fd.19
CENTRE SUPPORT
AND PLANET
GEARS
Removing
1‘. Remove
the
transmission
assembly
—
Section Fd.10,
1
to
5.
MGB.
Issue 1. 15676
1.
2.
>199???)9°
Fig Fd.29
Forward
sun gear
components
3. Needle
thrust
washer.
4.
Governor
feed
sealing
ring.
Forward
sun gear
assembly.
Front
clutch sealingrings.
Remove the
pump
assembly
—
Section Fd.16,
2
to
8.
Remove
the
front
clutch
7
Section Fd.17,
3
to
4.
Remove
the
front
servo
v
Section Fd.14,
1
to
3.
Remove the
rear
clutch
—
Section Fd.18,
5
to
6.
Remove the
rear
servo
—
Section Fd.15,
2
to
4.
Unscrew
the
two
remaining
centre
support
locating
bolts.
Drift the
front
servo
stop
from
the
casing.
Withdraw
the
centre
support
and planet
gears
from
the
casing.
Fig. Fd.30
Fitting
the
rear
clutch and forward
sungear
2. Needlethrust
washers.
3. Needlethrust bearingplate.
1. Rear clutch.
Fd.25