34
British Gas 4100 & 4125 RD2 -
Installation & Servicing
SERVICING
1.
Remove the lower front panel/grille
assembly. Refer to Frame 47.
2.
Remove the burner and controls
assembly. Refer to Frame 57.
3.
Undo the manifold securing nuts and
remove the manifold from the front
plate.
4.
Unscrew the burner injector from the
manifold.
5.
Fit the new injector, using an approved
jointing compound, and re-assemble in
reverse order.
6.
Check the operation of the boiler.
59 MAIN BURNER INJECTOR REPLACEMENT
1.
Remove the lower
front panel/grille
assembly. Refer to
Frame 47.
2.
Remove the burner
and controls assembly.
Refer to Frame 57.
3.
Remove the 2 nuts
and washers securing
the burner to the front
plate and manifold.
Withdraw the burner.
4.
Fit the new burner and
re-assemble in reverse
order, taking care not
to damage the main
burner injector which
is screwed into the
burner manifold.
5.
Check the operation of
the boiler.
58 MAIN BURNER REPLACEMENT
SER
VICING
