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MG Midget 1979 - D Service

MG Midget 1979
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Maintenance
Summary
UBRICATION
'E'
SERVICE
- continued
Ignition
*Check ignition wiring for fraying, chafing
and
deterioration.
*Renew
spark
plugs (47).
*Check security
of
distrib
uto
r vacuum unit line (all States except California). .
*Check
s~cu!ity
of
dist
ributor
vacuum unit line
and
operation
of
vacuum unit (California only).
*Clean distributor cap; check for cracks
and
tracking.
*Check coil performance on oscilloscope.
"Check/adjust ignition timing, using electronic equipment.
The lubrication
systems of your new vehicle are filled with high quality oils.
You
should always use a high quality oil of the correct viscosity range in the
engine, gearbox and rear axle during subsequent maintenance operations or when
topping-up. The use of oils not to the correct specification can lead to high
oil
and
fuel consumption and ultimately to damage to the engine, gear box or rear
axle components.
Oil to the correct specification contains additives which disperse the corrosive
acids formed by combustion and also prevent the formation of sludge which can
block oilways. Additional oil additives should not be used. Servicing intervals
must
be adhered to.
Engine
Use a well-known
brand
of oil to B.L.S.
OL.2
or MIL-L-2104B or
A.P
.I. SE
quality, with a viscosity band spanning the temperature range of your locality.
Fuel system
*Clean fuel
pump
filter (68).
*Check fuel system for leaks, pipes
and
unions for chafing
and
corrosion.
*Top
up carburetter piston
damper
(68).
*Check/adjust decleration by-pass valve.
"Check/adjust carburetter idle settings.
*Check condition of fuel filler cap seal.
OF
°
-20
8NAOIS
Steering
rack
Use Multipurpose Lithium Grease
N.L.G.I,
consistency
No.2.
and
grease
points
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--
--
S.A.E.
20w/50
viscosity
20w/40
15w/50
15w/40
lOw/50
10w/40
10w/30
5w/40
5w/30
5w/20
ynchromesh
Top
up with
H.D.
90 (MIL-
L-210513)
above
-IOoe
(10°F).
____
L._u
__
....
'T'
...........
.,o
.v.:
......
'r.r
(f'
OA
'!LfTI
I
"IAC'D\
i,
~1~...
,or
'''AOC\
C
-30
-20° -10° 10°
20°
30°
8NAOIS
ynchromesh
Top
up with
H.D.
90 (MIL-L-21
0513)
above
-IOoe
(10°F).
gearbox
and
Top
up with
H.D.
80 (MIL-L-2105B) below
-5°C
(20°F).
rear
axle
Top
up with
H.D.
75W (MIL-L-2l05B) below
-30
o
e
(-20
°F).
Complete fill with E.P. 80 (MIL-L-2105B) all temperatures.
Safety
Check/adjust operation of all washers
and
top up reservoir (45).
Check tyres for tread depth,
and
visually for external cuts in fabric, expos ure
of
ply or
cord
struc-
ture, lumps or bulges.
Check
that
tyres comply with manufacturer's specification (73).
Check/adjust tyre pressures, including spare (73).
Check tightness of
road
wheel fastenings (30).
Check condition
and
security of steering unit, joints
and
gaiters.
Check security of suspension fixings.
Check steering rack/gear for oil/fluid leaks.
Check shock absorbers for fluid leaks.
Inspect brake linings/pads for wear, drums/discs for condition (34).
Check/adj ust foot
and
hand
brake (34).
Check visually hydraulic hoses , pipes
and
unions for chafing , cracks, leaks and corrosion.
Check/adjust fr
ont
wheel alignment.
Clean and grease
batt
ery connections.
Check
outp
ut
of
charging system .
C~ec~
function of original equipment, i.e. interior
and
exterior lamps, horns, wipers,
and
warning
indicators.
Check, if necessary rene w, wiper blades (45).
r"1-~~l
_
.'~..J.;
.
_ _ L 1-
__
..J l
_
~
l
~
-~
r
-
-
J:':' '''' '''
Clean
and
grease battery connections.
Check
output
of charging system.
C~ec~
function of original equipment, i.e. interior
and
exterior lamps, horns, wipers,
and
w
arning
indicators. 4"
Check, if necessary rene w, wiper blades (45).
Check/adjust headlamp alignment (39).
Check operation of all
door
, bonnet,
and
b
oot
locks.
Check operation of window
contr
ols.
Check condition
and
security of seats
and
seat belts.
Check operation of seat belt warning system.
Check
rear
view mirror for cracks
and
crazing.
Road test
Road/roller
test
and
check function of all instrumentation.
Report
additional
work
required.

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