40
221873B
6980
Diagram 14.27
SECURING
SCREW (2)
AIR PRESSURE
SWITCH
ELECTRICAL
CONNECTION (2)
AIR
PRESSURE
SWITCH
TUBE (2)
RED
CLEAR
14 Replacement of Parts
FRONT
INSULATION
Diagram 14.25
COMBUSTION
CHAMBER
FRONT PANEL
REAR
INSULATION
SIDE
INSULATION
9379
SIDE
INSULATION
14.27 Combustion Chamber Insulation
Remove outer case front as section 11.4.
Remove the inner case front as Section 11.5.
Unhook the combustion chamber front, see diagram 8.2.
Remove the burner see section 14.2.
Remove the front insulation piece, see diagram 14.25.
Slide out both side insulation pieces
Pull the lower rear insulation forwards, then slide the upper rear
insulation down from behind the heat exchanger.
14.28 Viewing Window
Before starting refer to Section 11.
Remove the old self adhesive aluminium foil gasket and the old
mica window. Replace with a new mica window, see diagram
14.26. Peel off the backing paper and secure with new self
adhesive aluminium foil gasket. Ensure no air bubbles are
trapped underneath the foil.
Important
Make sure that the mica window fully covers the opening and
that the hole in the aluminium foil gasket is centred over
opening.
14.29 Inner Casing Seal
Before starting refer to Section 11.
Remove the old seal, clean out the old adhesive.
Glue the new seal into place, making sure that there are no
breaks in it.
7886
Diagram 14.26
SELF ADHESIVE
ALUMINIUM FOIL
GASKET
MICA WINDOW
OPENING
(BOILER INNER
CASE FRONT)
PEEL OFF
BACKING
PAPER
