Replacement Of Parts - gledhill GB10 Installation And Servicing Instructions

9.1. General
A competent person must carry out replacement of parts.
isolated from the mains electric supply and the gas must be turned off at the service valve on the boiler.
Unless stated otherwise parts are replaced in the reverse order of removal. After replacing any parts always
test for gas soundness and if necessary carry out a functional test of the controls.
Spark electrode
9.1.1 The burner, fan, gas valve and venturi form part
of a sub-assembly that must be removed before
one of them can be replaced. To remove the
sub-assembly remove the electrical plugs and
earth connections from the gas valve, fan and
electrodes. Remove the gas connection, then
the six nuts securing the combustion chamber
front cover with a 10mm AF spanner. Carefully
withdraw the
combustion chamber.
Note: The burner will require a new gasket
when refitted.
VER: 02.3 _260505
Supplied By www.heating spares.co Tel. 0161 620 6677

9. REPLACEMENT OF PARTS

Temperature
sensors
Heat exchanger
Combustion chamber
front securing nuts
(6 off)
Flame sensing
electrode
sub-assembly from
Before replacing any parts the boiler must be
For replacement of parts the front
cover, inner casing panel and
lower casing panel will need to be
removed. The front cover is held
with locating pins at the top and
retaining screws at the bottom.
The retaining screws should be
removed from the bottom and the
panel lifted clear of the locating
pins. To remove the inner casing
undo the four retaining screws
holding the inner casing panel and
the lower casing panel is held by a
further three screws.
Venturi
the
Gas valve
Burner
Burner sub assembly
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