Operation Manual

SECTION 7 - ROuTINE SERvICINg INSTRuCTIONS

7.2

BOILER UPPER & LOWER FRONT PANEL REMOVAL / REPLACEMENT

7.3

FAN AND VENTURI ASSEMBLY REMOVAL AND CLEANING

1. Disconnect the electrical leads from the fan.

2. Undo the gas pipe union connection to the

injector housing.

3. Remove the extended nut on the fan

mounting bracket.

4. Lift off fan and venturi assembly.

5. Inspect the injector for blockage or damage.

6. Inspect fan outlet sealing gasket and

replace if necessary.

Injector

REMOVAL

1. Lift the lower front panel access panel.

2. Unscrewthetwoxingscrews,closetheaccesspanelto

retain the two screws and hinge the lower front panel down

into the service position.

3. Removethetwoupperfrontpanelxingscrews,liftthe

panel and remove.

REPLACEMENT

4. Hook the upper panel onto the top retaining clips.

5. Retaintheupperpanelwiththetwoxingscrews

previously removed ensuring a good seal is made.

6. Swing the lower front panel up and retain with the two

screws.

7. Close the lower front panel access panel.

2&6

1&7

3&5