Worcester GREENSTAR 12i Instruction Manual page 41

INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 12i/24i System
8 716 115 167b (03/2009)
INSPECTION AND SERVICE
5
H
4 Remove electrical connector from fan.
5 Undo and remove securing nut (H) from the
top of the heat exchanger.
6 Remove retaining plate (I).
7 Rotate fan and air/gas manifold assembly (J)
around the top of the heat exchanger until it
stops at the lug.
Lift up assembly and remove from boiler.
8 Disconnect spark electrode and flame sensor
6 connections (K).
Remove clamping plate (L).
Remove spark/flame electrode assembly
I
from boiler.
Remove seal from the top of the heat
exchanger.
4
INSPECTION AND SERVICE
8
L
K
7
J
41