Glow-worm Ultimate 40FF - Manual (Page 37)

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Diagram 10.7
10 Replacement of Parts
RED
CLEAR AIR PRESSURE
SWITCH TUBES
SECURING
SCREWS
AIR
PRESSURE
SWITCH
ELECTRICAL
CONNECTIONS
CONTROL
BOX
4122
10.13 Air Pressure Switch - diagram 10.7
Release the control box as Section 5.6.
Remove the air pressure tubes and electrical connections from
the PCB, release the screws and remove the switch.
When fitting the replacement make sure that the plastic tubes
are fitted as shown in diagram 10.7 and that electrical connections
are made as shown in diagrams 9.6 or 9.7.
10.14 Fan - diagram 5.4
Remove the electrical connections and disconnect the air
tubes.
Remove the fan assembly securing screws at the front and
slacken those at the rear and withdraw the assembly.
Make sure that the earth connection is remade onto the new fan
assembly.
The polarity of the other connections is not important.
Diagram 10.6
SELF ADHESIVE
ALUMINIUM FOIL
GASKET
MICA WINDOW
PEEL OFF
BACKING
PAPER
OPENING
(INSIDE
FACE OF
THE BOILER
FRONT
COVER)
7907