Edition 01 of 08/2017
6.12
SERVICE MANUAL
Fig. 176
Fig. 175
Fig. 177
3 Disconnect the exhaust pipe of the expan-
sion valve.
4 The loosen the two screws holding the
heater using a No. 7 wrench. Simply partially
loosen the screw because the mechanism is
recessed. Once the screws are loosened lift
the heater and remove it from its housing.
NOTE
After replacing the new heater proceed with
restoring water inside the heater as described
in paragraph 6.8.
6.7 THERMAL FUSE
REPLACEMENT
Once the temperature of 135° is exceeded the
thermal fuse must be replaced. This event can
occur in several cases:
t The heater heats without water inside.
t Power surges can damage the thermal fuse.
t 1SPCMFNT XJUI UIF UFNQFSBUVSF QSPCF NBZ
lead to an excessive temperature and there-
fore rupture.
Since it is an excellent conductor when operat-
ing properly, its value is normally about 0.5 Ohm.
If the value is extremely higher than it must be
replaced.
Simply remove the element and insert the new
one with due attention.
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