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Refer to
Figure 53
for identification of parts for rest of the instructions.
Control Valve
Control Knob
Control Cover
ODS Pilot Assembly
Fire Tray Fixing Screws
Silencer Housing
Solenoid Plug
Gas Outlet Nut
Pressure Test Point
Piezo/HT Lead
Control Fixing Screw
Pilot Assemby Fixing Screws
Injector
Thermocouple Nut
Cable Ties
Pilot Feed Nut
Grub Screw
Burner Board
Solenoid Valve
GAS
INLET
Figure 53
4.3.3. Pilot Assembly Replacement
(NOTE: If any part of the pilot assembly
becomes faulty the whole of the pilot
assembly will need changing.)
1. Disconnect the HT lead from the bottom
of the electrode and cut the cable ties
(detail Q).
2. Using M9 spanner remove the
thermocouple nut from the rear of the
control valve (detail P).
3. Undo and remove the pilot gas feed pipe
nut (detail R) using M10 spanner.
4. Remove the two pilot assembly-retaining
screws (detail N) and withdraw the pilot
assembly from under the pilot shield.
5. Refit in reverse order.
