Worcester GREENSTAR 25Si Instruction Manual page 42

INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 25Si/30Si
8 716 115 165a (06/2008)
INSPECTION AND SERVICE
5
H
4 Remove electrical connector from fan.
Undo and remove securing nut (H) from the
5
top of the heat exchanger.
6 Remove retaining plate (I).
Rotate fan and air/gas manifold assembly (J)
7
around the top of the heat exchanger until it
stops at the lug.
Lift up assembly and remove from boiler.
Disconnect spark electrode and flame sensor
8
connections (K).
6
Remove clamping plate (L).
Remove spark/flame electrode assembly
I
from boiler.
Remove seal from the top of the heat
exchanger.
4
K
INSPECTION AND SERVICE
8
L
7
J
41