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Inspection and Maintenance — GEK 107048
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.
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.
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.
CAUTION
Do not use improper size caps or rags to cover pipe open-
ings, they may be accidentally pushed inside the piping.
CAUTION
The fuel nozzles are precision made parts. Do not allow
them to hit any part of the turbine.
CAUTION
Handle carefully to prevent breaking the internal ceramic
parts.
Combustion Inspection — Disassembly Procedures
CI-D-9
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