GL16 Repair
7-45
5. Remove the plastic adaptor from the scan-
ner holding tube.
6. Attach a 1/2" pipe coupling and pipe nipple
to the end of the scanner’s holding tube.
7. Apply pressure slightly to realign the hold-
ing tube.
8. Remove the 1/2" pipe from the holding
tube.
9. Install the plastic adaptor on the holding
tube.
10. Repeat Steps 3 and 4 to check the new
alignment of the UV flame scanner.
Figure 7-46: The UV flame scanners (A) must be adjusted to detect the pilot flame and the flame
at the end of the burner.
TOP VIEW
FRONT VIEW