Technical data

20
Linea
6.4 COMPONENT REMOVAL PROCEDURE
To remove a component, access to the interior of
the appliance is essential. Isolate the appliance
from the electrical supply and remove the fuse.
And when necessary, close all service valves on
the appliance, remove the appliance casing as
described in section 4.7.1, and drain the water
content from the appliance via the safety valve.
Ensure some water absorbent cloths are avail-
able to catch any residual water that may drip
from the appliance or removed component. Un-
dertake a complete commissioning check as de-
tailed in section 5, after replacing any component.
ALWAYS TEST FOR GAS SOUNDNESS IF
ANY GAS CARRYING COMPONENTS HAVE
BEEN REMOVED OR DISTURBED.
6.5 PUMP ASSEMBLY fig. 20
Carry out component removal procedure as de-
scribed in 6.4.
Disconnect and remove the ancillary items
(3,4,5,6,7) from the pump assembly. Slacken and
remove the securing screw (8) from the heating
manifold. Disconnect the electrical cover & lead
(1,2). The pump assembly can now be removed
from the heating manifold. Replace in the reverse
order.
6.6 SAFETY VALVE fig. 21
Carry out component removal procedure as de-
scribed in 6.4.
Disconnect the outlet pipe from the safety valve,
remove safety valve locking screw (1) from the
heating manifold. Replace in the reverse order.
6.7 AUTOMATIC AIR RELEASE VALVE fig. 20
(AAV)
Carry out component removal procedure as de-
scribed in 6.4.
Using a suitable pair of pump pliers, unscrew the
AAV from the rear of the pump assembly. Replace
in the reverse order.
6.8 WATER PRESSURE SWITCH fig. 22
Carry out component removal procedure as de-
scribed in 6.4.
Remove locking screw (1) and the water pres-
sure switch from the heating manifold, and – af-
ter taking note of the electrical connections – dis-
connect the wiring. Replace in the reverse order.
Fig. 20
Fig. 21
Fig. 22