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INSTALLER’S GUIDE
Page 46
Figure 64. Thermocouple interrupter block
apply tension to the microswitch leads.
7.
Remove the two fixing screws that
attach the generator unit to the support
bracket. The igniter generator can now
be removed. (see figure 63)
8.
Remove the two leads to the switch
and remove the spark lead. If
necessary, mark them to ensure that
they are replaced on to the correct
terminals.
9.
Replace the generator
10.
Refit in the reverse order.
16.9
To Remove the Thermocouple
Interrupter Block
See figure 64.
1.
Remove the bottom front and fire
front castings and the front surround -
See section 16.3.
2.
Detach the thermocouple from the
interrupter block by unscrewing the
thermocouple nut.
3.
Detach the two microswitch leads
from the interrupter block.
4.
Remove the interrupter block by
unscrewing from the gas
shut-off tap.
5.
Refit in the reverse
order. If the microswitch
leads cannot be easily
attached to the interrupter
block when it is fully
tightened to the gas shut-
off tap, slacken it and
rotate to allow the leads to
be fitted. Retighten making
sure that the leads remain
in place in the interrupter
block. Fit and tighten the
Figure 63. Removal of Electronic
Generator.