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3•10 Cooling, heating and ventilation systems
22.4 Air conditioning compressor adjuster
strap bolts (arrowed)
towards the engine and remove the old
drivebelt.
5 Fit
the
new
drivebelt,
compressor to achieve the correct belt tension
and tighten the strap and pivot bolts.
6 Refit and secure the fan, when applicable,
and reconnect the battery.
7 Recheck the belt tension after it has run for
at least 10 minutes under load.
Condenser fan and motor
8 Disconnect the battery earth lead and
remove the radiator grille.
9 Disconnect the fan wiring connector at the
right-hand side of the condenser.
10 Remove the three securing bolts and
remove the fan and motor (see illustration).
Turn the frame to position the fan wiring on the
dehydrator side to avoid damaging the wiring.
Take care also not to damage the condenser
fins or tube.
11 Unclip the fan guard from the top of the
frame.
12 To remove the fan blades from the motor,
remove the retaining nut and circlip. The nut
has a left-hand thread ie it is undone
clockwise.
13 With the blades removed, the motor can
be unscrewed from the frame.
14 Reassemble and refit in the reverse order
of dismantling and removal.
De-ice thermostat
15 Disconnect the battery negative lead.
16 Disconnect the vacuum hoses from the
position
the
plenum chamber cover. Pull off the rubber seal
and remove the plenum chamber cover; it is
secured by four screws and one nut.
17 Disconnect the thermostat from the
evaporator casing and remove it. Also remove
the thermostat probe.
18 Refit by reversing the removal operations.
Heater water valve
19 The heater water valve used with air
conditioning is vacuum-operated. It is located
on the right-hand side of the engine bay, near
the bulkhead.
22.10 Condenser fan securing bolts
(arrowed)
20 Drain the cooling system.
21 Slacken the hose clips and detach the
coolant hoses from the valve, noting how they
are connected.
22 Disconnect the vacuum hose from the top
of the valve.
23 Unclip the valve from its bracket and
remove it.
24 Refit by reversing the removal operations.
Refill the cooling system.
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