Combustion Inspection — Disassembly ProceduresInspection and Maintenance — GEK 107048
CI-D-9
CAUTION
Do not use improper size caps or rags to cover pipe open-
ings, they may be accidentally pushed inside the piping.
Operation 9 — How to Remove the Secondary Fuel Nozzle.
See Figure CI-D.8.
1. Remove all except one of the 5 mounting bolts.
2. Support the fuel nozzle assembly so that it can be slid axially about 14 inches.
3. Remove last bolt; slide nozzle assembly axially until the nozzle tip clears the end cover.
4. The secondary fuel nozzles may be laid down on plywood or be set into a storage or moving rack
as shown in Figure CI-D.9.
CAUTION
The fuel nozzles are precision made parts. Do not allow
them to hit any part of the turbine.
Operation 10 — How to Remove the Spark Plugs.
See Figure CI-D.10.
1. Lock out power supply to spark plugs.
2. Disconnect spark plug leads; identify them, and store.
3. Unbolt mounting bolts only from combustion casing.
4. Lift out igniter.
CAUTION
Handle carefully to prevent breaking the internal ceramic
parts.
5. Remove all anti-seize compound on all bolts, bag and identify for reassembly. Clean flange sur-
faces. Do not reuse old gaskets.
6. Do not loosen the bolts compressing the ball joint packing at this time. See Figure CI-D.10.
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