MG MGB User Manual

Fe
THE OVERDRIVE
(TYPE
L.H.)
Section Fc.4
LUBRICATION
IMPORTANT—Anti-friction
additives
must not
be used in
the
gearbox and overdrive.
Draining
1.
Remove the gearbox drain plug
to
drain
the
oil
from
the
gearbox
and overdrive
unit.
Filling
2.
Remove the gearbox dipstick
and add
the
correct
quantity
(see
‘GENERAL
DATA’)
of
one
of
the
recommended lubricants.
3.
Run the
car
for
a
short distance, allow
to
stand
for
a
few
minutes
and check the level with the
dipstick.
Section Fc.5
FILTERS
Sump
1.
Drain the
gearbox and overdrive
unit.
2.
Clean the
sump cover
and
its
surroundings.
3. Unscrew the
sump cover
securing
screws
and
remove
the
cover
and
sump
filter.
4.
Clean all metallic
particles
from
the
two magnets
fitted
inside
the
cover;
wash the
cover
and filter
in
petrol
(gasoline).
5.
Refit
the filter and
sump cover.
6.
Re■ll the
gearbox and
overdrive
unit
with the
correct
quantity
(see
‘GENERAL DATA’)
of
one
of
the
recommended lubricants.
Relief
valve
7.
Drain the
gearbox and
overdrive
unit.
8. Remove the relief valve
plug and sealing washer.
9.
Withdraw
the relief
valve body and
remove
the
filter.
10.
Clean the ■lter
in
petrol (gasoline).
11.
Refit the ■lter
to
the
valve body.
12.
Re■t the
valve body
assembly, sealing washer,
and
plug.
13.
Refill
the
gearbox and
overdrive
unit with
a
recommended lubricant.
2'
Section
Fc.6
RELIEF
AND
LOW PRESSURE
VALVE
Removing
1.
Drain the
gearbox and overdrive
unit.
2.
Remove
the relief
valve plug and
sealing
washer.
3. Withdraw
the relief
valve
assembly.
Dismantling
4.
Remove
the ■lter,
spacer
tube,
low
pressure
valve
assembly,
and relief valve
spring.
5.
Remove
the
relief valve
plunger.
Fc.8
Inspection
6.
Examine
the relief valve plunger
and
seat
for
pitting,
scoring,
and
wear.
Renew
worn or
damaged
parts
as
necessary.
7. Inspect
the relief
valve
body ‘0’
rings
for
signs
of
deterioration,
and
renew
if
necessary.
8.
Check
the relief
valve
spring
for
signs
of
collapse
or
weakness
against
the ■gures
given in
‘GENERAL
DATA’.
9. Test
the
low
pressure
valve for
correct
setting.
The
complete valve
must
be renewed if faulty.
Reamembling
10.
Reverse the
dismantling
procedure
in
4 and
5.
Refitting
1].
Reverse the
removing
procedure
in 2
and
3,
noting
that
the
spacer
tube
must
be ■tted with
its
slotted end
farthest
from
the filter
with
the slots
lining
up
respectively with the
oil
outlet hole
and
locating
stud.
Section
F
c.7
SOLENOID
VALVE
Removing
1.
Drain
the
gearbox and
overdrive
unit.
2.
Unscrew the four
screws
securing
the
solenoid
cover
(name
plate)
and
remove
the
cover
and gasket.
3.
Remove the
solenoid
and
valve assembly
by carefully
pulling
on
the
solenoid
lead
Dismantling
4.
Withdraw the
solenoid rod
and
operating
valve
assembly
from the
solenoid housing.
Fig. Fc.7
Removing the
pump
retaining plug
using tool 18G
1118
MGB.
Issue
1. 15676

MG MGB Specifications

General

Brand	MG
Model	MGB
Category	Automobile
Language	English