Air
Conditioning
System
Manual
-------
Rolls-Royce &
Bentley------------
Unscrew the four bolts which secure the top
of
the
radiator
shell
to
the
matrix
and
the
bonnet
centre stay, also the eight bolts securing the lower
end
of
the
shell to the under-tray
and
the front
apron.
Remove the four bolts securing the front apron
to
the
side fairings, also the four nuts, bolts and
washers securing
the
right-hand
side fairing to
the wing.
Remove the side fairing, the front apron, and
the radiator shell.
The
wing panel can
then
be removed as
follows:-
Remove the six bolts from the rear vertical
edge
of
the wing, also two self-tapping screws and
one bolt which secure
the
stainless steel strip to
the lower edge.
Remove six bolts from the lower edge
and
front
vertical edge
of
the wing.
Support the weight
of
the wing
and
remove the
ten bolts securing the wing to the valance. Dis-
connect the headlamp
and
side lamp cables and
remove the wing panel.
Should
the
cables for
the
electrically operated
window have prevented removal
of
the
door, it
will be advisable to temporarily re-secure
the
hinges.
UNDERWING UNIT - TO REMOVE
Should the detection
of
a leaking matrix
or
similar fault necessitate the removal
of
the
matrices
and
underwing ducting, proceed
as
follows.
Discharge the refrigerant from tlie system (see
Page 26).
Remove
the
right-hand
front wing (see
Page 29).
Forward•seat
the
compressor low pressure
service valve by rotating clockwise to the
full
extent
of
travel. Disconnect the evaporator return
pipe union at the junction adjacent to the
flap
actuators.
Page
3.0
To
prevent loss
of
engine coolant when
disconnecting the pipes from the
heater
matrix,
drain
the
radiator
matrix,
or
alternatively, seal
the heater pipes immediately they are dis-
connected, by inserting
i in. bolts into their bores
and
clamping the hoses with worm drive clips.
Disconnect the two pipe unions
at
the forward
ends
of
the solenoid valves.
Slacken the worm drive clip situated at the
forward end
of
the recirculation ducting.
Disconnect the transfer duct thermostat
at
the
rear
snap connector leads.
Unscrew the seven nuts securing the underwing
unit to the valance.
Disconnect the fresh air blower motor leads at
the snap connectors, then slide the underwing unit
off the motor housing, allowing the motor leads to
pass through the hole in the ducting; remove
the
unit from the car.
Remove the two
actuator
coupling tubes,
situated within the
rubber
seals protruding from
the valance.
UNDERWING UNIT -
TO
FIT
Pass the blower motor leads through the hole
in the front ducting
and
place the unit in position
against the valance, so that the six mounting stqds
protrude through the valance, the rear duct locates
on
the
recirculation duct
and
the intake
end
fits
over
the
housing
of
the fresh air blower motor.
Secure the unit
to
the valance by fitting washers
and
nuts to the mounting studs
and
refitting the
bolt, washer
and
nut
at
the top
of
the unit.
Tighten
the
worm drive clip
on
the recirculation
duct
and
seal with adhesive tape the joint between
the ducting
and
blower housing.
Connect the coolant hoses to the heater matrix
pipes; the hose from the water
tap
should
be
connected to the lower pipe from the matrix.
Secure the hoses with worm drive clips.
Top-up
or
refill
the
radiator
matrix with the
correct anti-freeze mixture.
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