IS 681 ECN 4301
Page 12 of 20
BURNER ASSEMBLY
Undo the two fasteners holding the door bracket. Remove the door.
Remove the left hand side panel.
Follow the instructions above for the removal of the fan/valve assembly.
Undo and remove 14 of the M8 nuts from the underside of the burner leaving 11 and
12 still attached. Support the burner and remove the last two nuts and washers.
Withdraw the burner from the mounting studs and remove from the left hand side
taking care not to damage the PCB or the metal fibre of the burner surface.
Discard the 16 hole burner gasket.
Before refitting the burner assembly check the mounting faces on the burner
assembly and the combustion chamber are clean and smooth.
Refit the burner assembly using the new burner gasket provided and follow the
illustration below showing the bolt tightening pattern.
Follow the complete pattern in three stages using a torque wrench set at 6 Nm, 9Nm
and the final sequence at 12 Nm.
1
15
13
11
3
2
12
5
7
9
4
6
8
10
16
14
PUMP/MOTOR UNIT
Remove the rear panel.
Disconnect the pump outlet pipe.
Disconnect the two pump wires.
Undo the two nuts from the mounting bracket and remove the pump.
Reassemble in reverse order.
