Symmetry Maintenance Instructions 11699-B 02-12
|
11
Pilot assembly and injectors
This step (completed once the unit has been dismantled) involves a general check of the pilot
assembly and removing any build-up in the injector which can affect performance.
1. Lift out the pilot head.
2. Unscrew the pilot injector, check, clean and
return. When returning align hole positions and
make finger-tight. Do not overtighten.
3. Remove burner injector, check for build-
up, clean and return. If there is any sign
of corrosion the injector will need to be
replaced.
4. Using fine sandpaper clean electrodes.