THOR GH107-N, Техническое и сервисное руководство

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Trouble Shooting
NOTE:
THE FRONT ODS CANNOT BE DIS-ASSEMBLED AS A WHOLE. TO REPLACE THE THERMOCOUPLE,
PILOT INJECTOR AND PILOT BURNER, FOLLOW THE REMOVAL PROCEDURE OF EACH PART.
PILOT TROUBLE SHOOTING – cont’d.:
PILOT BURNER REMOVAL:
1. Turn-off the pilot.
2. Shut-off the main isolation valve and follow the
lock-out /tag-out procedure.
3. Loosen the screw which locks the pilot burner
in place. See pilot burner assembly photo.
4. Remove the pilot burner by twisting and pulling
it out.
THERMOCOUPLE REMOVAL:
1. Turn-off the pilot.
2. Shut-off the main isolation valve and follow the
lock-out /tag-out procedure.
3. Disconnect the thermocouple fitting connected
to the safety valve. Use 9mm spanner to
loosen the fitting.
4. Remove the lock nut of the thermocouple. Use
8mm spanner to remove the nut.
5. Remove the thermocouple.
PILOT BURNER ASSEMBLY
LOCK
SCREW
PILOT
BURNER
THERMOCOUPLE FITTING
CONNECTED TO SAFETY
VALVE
FITTING
REAR ODS ASSEMBLY REMOVAL:
1. Turn-off the pilot.
2. Shut-off the main isolation valve and follow the
lock-out/tag-out procedure.
3. Remove the trivets.
4. Remove the burner for ease of access. (Optional)
5. Disconnect the thermocouple fitting connected to
the safety valve. Use 9mm spanner to disconnect
the fitting.
6. Disconnect the pilot tube assy. from the ODS
injector. Use 13mm spanner.
7. Remove the two mounting screws of the ODS
assembly.
8. Remove the ODS assembly and replace if
necessary.
ODS Assembly
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