39
Response FF80
- Installation
61 BURNER REPLACEMENT
62 BURNER INJECTOR REPLACEMENT
1.
Remove front and sealing panels. Refer to
Frame 48.
2.
Remove the fan assembly. Refer to Frame 49.
3.
Disconnect the 2 ignition leads and one
detection lead from the electrodes.
4.
Disconnect the pressure sensing pipe from the
burner. Pull the pipe downward to disengage it
from the burner mounting plate.
5.
Undo the 3 fixing screws securing the burner
assembly.
6.
Withdraw the burner assembly downward and
out of the heat exchanger, taking care not to
damage the electrodes.
7.
Remove the spark and detection electrodes.
Refer to Frame 59.
8.
Remove the 3 securing screws and withdraw
the burner from the mounting flange.
9.
Fit the new burner, replacing any damaged or
deteriorating gasket.
IMPORTANT.
There are 2 graphite washers
under the burner sensor casting. It is
IMPERATIVE that BOTH gaskets be replaced
before the burner is fitted.
10.
Re-assemble in reverse order.
SERVICING
SER
VICING
1.
Refer to Frame 48.
2.
Remove the fan assembly.
Refer to Frame 49.
3.
Hold the injector pipe securely
and unscrew the injector.
4.
Check that the new injector is
of the correct size and fit it,
using a suitable jointing
compound, sparingly.
5.
Re-assemble in reverse order.
Note.
Check the spark
and detection
gaps.