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Burner Servicing
PHOTO ELECTRIC CELL (PEC)
CLEANING
SEE FIG. 16
Withdraw Photo Electric Cell from the burner head. Clean
PEC sensing end with a soft cloth taking care not to
scratch the light sensitive body. Re-insert PEC taking care
to insert the correct way round.
Should the cell show signs of distortion or cracking,
replacement will be necessary. See 'PEC Replacement' -
Page 17.
FAN CLEANING
SEE FIG. 17
1. Remove pozi screws, pull off fan case inlet.
2. Clean between the blades of the fan impellor with a
small brush and remove any residue.
RE-ASSEMBLE BURNER
Re-assemble the burner in reverse order.
NOTE: Burner head gaskets should be renewed at each
service.
FIG. 16
FIG. 17
11
DESN 514848
DESN 514824
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