7.
Remove the control knob by pulling forward.
8.
Remove the gas valve spindle extension by removing the screw that secures it to
the gas valve spindle.
9.
Remove the thermocouple by unscrewing the thermocouple nut at the gas valve.
10.
Remove the hexagonal nut securing the gas valve to the mounting bracket.
11.
Remove the gas valve.
12.
Refit in the reverse order.
16.5 To remove the piezo generator.
1.
Remove the gas valve as section 16.4.
2.
Make sure that the tap is in the off position.
3.
Remove the circlip holding the piezo unit to the tap. Remove the piezo unit.
4.
Replace in the reverse order.
16.6 To grease the control tap.
1.
Detach the tap and remove the piezo generator as section 16.5 making sure that
the tap is in the ‘off’ position.
2.
Remove the two screws from the head of the tap. Remove the niting head and
spindle complete with collar and spring.
3.
Note the position of the slot in the plug - mark its position on the tap body.
4.
Remove the plug rotating slightly while pulling.
5.
Clean and grease the plug lightly with suitable grease. Do not apply excessive
grease. Particularly, make sure that the gas ports in the tap are not restricted by
grease.
6.
Push the plug into the tap body and position the slot in line with the mark
previously made on the tap body.
7.
Reassemble the niting head and spindle complete with collar and spring making
sure that the components are correctly engaged. Check the operation of the tap.
8.
Refit the piezo generator.
16.7 To replace the burner.
(See figure 31).
1.
Remove the burner unit (See section 16.2).
2.
Support the elbow injector and unscrew the
injector nut.
3.
Remove the two screws from the burner
clamping plate (See figure 31).
4.
Lift the right hand side of the burner, slide it to
the right and lift clear.
5.
Refit in reverse order.
Page 32
INSTALLER GUIDE
©
Baxi Heating U.K. Limited 2007.
Figure 31. Removal of burner
