Technical data

Linea

6.9 PRESSURE GAUGE fig. 23

Carry out component removal procedure as de-

scribed in 6.4.

Remove pressure gauge locking screw (1), lo-

cated on pump base, and withdraw the pressure

gauge pipe (2), locate the spring tabs on the pres-

sure gauge body, push and hold tabs in, to en-

able extraction of the gauge from its location.

Replace in the reverse order.

6.10 PRIMARY THERMISTOR fig. 24

Carry out component removal procedure as de-

scribed in 6.4.

Unclip and remove the air chamber cover, and

remove the right side air baffle.

Disconnect thermistor electrical plug. Using a

13mm spanner slacken and remove the thermis-

tor and sealing washer (1,2) from the main heat

exchanger. Replace in the reverse order.

Fig. 25

6.11 HIGH LIMIT THERMOSTAT fig. 25

Carry out component removal procedure as de-

scribed in 6.4.

Unclip and remove the air chamber cover.

Pull off electrical connections from the high limit

thermostat (2), slacken and remove retaining

screws (3). Replace in reverse order.

6.12 PRINTED CIRCUIT BOARD fig. 26

Carry out component removal procedure as de-

scribed in 6.4.

Locate and remove the screws (1) which secure

the PCB cover & terminal cover, then remove

cover, after carefully taking note of all wiring con-

nections, disconnect all wiring from the PCB,

locate and remove the PCB securing screws

(2,3,), remove the required PCB (4,5,6). Replace

in the reverse order.

Fig. 23

Fig. 24

Fig. 26