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Inspection and Maintenance — GEK 107048
Note: Refer to the Conduit Arrangement Wheelspace Thermocouples, draw-
ing in the Parts Lists and Drawings Volume of this Service Manual for
wheelspace thermocouple identification if needed.
Operation 11 — How to Remove Mechanical Support Jacks from Underneath Turbine Casing
1. Remove the mechanical support jacks and dial indicators from underneath the unit casing flanges.
2. Remove any shim packs if used, applicable to bases that have a transaxial "I" beam only.
3. Replace the base cutout floor plates and bolt in place.
4. Accumulate all jacks and dial indicators and return to storage.
Operation 12 — How to Take Final Compressor and Turbine Rotor Positioning Checks
Note: All rotor positioning checks should be submitted to your General Elec-
tric Company Field Service Representative for evaluation. Both the ini-
tial and final readings should be submitted. All final readings must be
within tolerances as specified on the Clearance Diagram, in the Refer-
ence Drawing section of this Service Manual.
1. To take final rotor positioning checks, follow procedures outlined in Disassembly Operation 3
in this section.
2. Record all readings on Inspection Form PGS/GT-FF-6094 Rotor Positioning Checks.
Operation 13 — Perform Combustion Inspection Reassembly Operations 3 Through 14
Note: Refer to the Combustion Inspection section in this Service Manual for
reassembly procedures for the following operations.
1. Install outer combustion casings and flow sleeves.
2. Install outer crossfire tubes, packing rings, sealing rings and split washers.
3. Install inner crossfire tubes and cap and liner assemblies.
4. Assemble primary flame detectors and spark plugs to outer combustion casings.
5. Install primary fuel nozzle/end cover assemblies.
6. Install secondary fuel nozzles.
7. Reconnect false start drain lines.
CAUTION
Mechanical support jacks are not to be removed until the
casing has been installed and bolted up.
Hot Gas Path Inspection — Reassembly Procedures
HGP-R-17
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