10 Replacement of Parts

10.11 Insulation - diagram 10.5Combustion Chamber Front

FRONT INSULATION

4100 Remove the retaining screw then the insulation.

Sides

Slide the insulation out.

RETAININGSCREW

Rear

With the side insulation removed the rear insulation can beremoved and replaced.

10.12 Viewing Window - diagram 10.6

Remove the old self adhesive aluminium foil gasket and the old mica window. Replace with a new mica window. Peel off the backing paper and secure with new self adhesive aluminium foil gasket, see diagram 10.6. 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.

SIDE INSULATION REAR INSULATION Diagram 10.5

221656D 36