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2.3 Loosen main injector nut on airbox and disconnect from
injector, see diagram 6, A.
2.4 Remove the 2 screws attaching burner to back of unit, see
diagrams 7. Carefully withdraw burner unit upwards and tilt
to remove the burner through door opening. Remove the 2
screws holding the heat shield in place.
Replace in reverse order checking all joints for leaks.
5
AR0943
18
3.1 Remove the burner module as described in Servicing
Section 2 above. Carefully cut the cable ties holding the
thermocouple to the pilot pipe. Remove the HT lead from
the electrode, undo the two retaining screws and remove
the pilot. See diagram 8.
3.2 When replacing the pilot ensure the thermocouple follows
its original route, i.e. along the pilot pipe. Attach the
thermocouple to the pipe with new cable ties.
3.3 Set the spark gap. See diagram 9.
SERVICING INSTRUCTIONS
REPLACING PARTS
3. PILOT UNIT
9
A
6
AR0498
A
7
AR0385
7777
8