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MG Midget 1979 - Heating, Ventilating and Cleaning; Heating and Ventilating System; Cleaning Procedures

MG Midget 1979
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HEATING
AND
VENTILATING
CLEANING
HEATER The heating and ventilating system is designed to provide fresh air either heated
by the engine cooling system or at outside temperature to the car at floor level
and for demisting and defrosting to the windscreen.
Interior
Carpets: Clean with a semi-stiff brush or a vacuum cleaner, prefera bly before
washing the outs ide of the car. Occasionally give the carpets a
thor
ough cleaning
with a suitable upholstery cleaner. Car pets must not be 'dry-cleaned'.
Air
Two doors, located one at each side of the gearbox tunnel, control distribution
distribution
of air between screen and car interior. To supply air to the car, open the doors;
to boost the flow of air to the screen, close the doors.
Plastic faced upholstery: Clean with diluted
uph
olstery cleaner. Spot clean with
upholstery cleaner spread thinly over the surface with a brush or cloth, leave for
five minutes, then wipe over with a damp sponge or cloth.
Controls
Heater
(Fig. 1). A valve controlling the flow of coolant through the heater unit
is fitted on the bulkhead beside the battery. The valve is opened (1) by moving
the lever towards the battery. Moving the lever away from the battery closes (2)
the valve.
Air flow (Fig. 2). The
knob
(1) operates a valve in the air intake and controls the
flow of air to the car interior.
Turn
the
knob
anti-clockwise from the '
OFF
'
position to open the valve, the valve is fully open when the
knob
is turned to
the 'ON' position.
Booster. Press the lower end of the switch rocker (2) to boost the air flow.
Illumination
The markings on the booster switch, the control dial and the position indicator
on the rotary c
ontr
ol knob are illuminated when the panel lamps are switched on.
Body
Regular care of the body finish is necessary if the new appearance of the r
exterior is to be maintained against the effects of air pollution, rain,
and
mud .
Wash the bodywork frequently, using a soft sponge
and
plenty of water con-
taining car shampoo. Large deposits of mud must be softened with water before
using the sponge. Smears should be removed by a second wash in clean water,
and with the sponge if necessary. When dry, clean the surface of the car with
a damp chamois-leather. In addition to the regular maintenance, special attention
is requi red if the car is driven in extreme conditions such as sea spray or on
salted roads. In these conditions and with other forms of severe contamination
an add itional washing operation is necessary which should include under-
body hosing. Any damaged areas should be immediately covered with paint and
a complete repair effected as soon as possible. Before touching-in light scratches
and
abrasions with paint, thoroughly clean the surface. Use petrol/white spirit
(gasoline/hydrocarbon solvent) to remove spots of grease or tar.
Usag
e By varying the settings of the air flow control, opening or closing the air distr i-
bution doors, and utilizing the booster blower, a wide range of settings
can
be
obtained for heating, when the heater valve is open, or for ventilating when the
valve is shut, to suit prevailing conditions.
Bright
trim
Never use an abrasive on stainles , chromium, luminium, or plastic bright parts
and
on no account clean them with m tal poli h. Remove spots of grease or
tar
with petrol/white spirit (gasoline/hydroc rbon lvent)
and
wash frequently with
water containing car shampoo. Wh n th dirt ha been removed polish with
a clean dry cloth or chamois-leather until bright. Any slight tar nish found on
stainless or plated components which have not received regular attention may be
removed with chrome cleaner. An occa ional application of light mineral oil or
grease will help to preserve the fini h, particularly during winter when salt may
be used on the roads, but these protectives must not be appl ied to plastic finishes.
Fig. 2
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