SERVICING INSTRUCTIONS
REPLACING PARTS
5
A AR0943
2.3Loosen main injector nut on airbox and disconnect from injector, see diagram 6, A.
6
A
AR0498
2.4Remove 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.
7
3.PILOT UNIT
3.1Remove 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.
8
3.2When 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.
7 7
9
AR0385
Replace in reverse order checking all joints for leaks.
3.3Set the spark gap. See diagram 9.
18