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Inspection and Maintenance — GEK 107048
Operation 13 — Perform Combustion Inspection Reassembly Operations 3 Through 17
Note: Refer to the Combustion Inspection section in this Service Manual for
the following reassembly operations.
1. Install outer combustion casings and flow sleeves.
2. Install inner crossfire tubes and cap and liner assemblies.
3. Install outer crossfire tubes, packing rings, sealing rings and split washers.
4. Assemble primary flame detectors and spark plugs to outer combustion casings.
5. Install primary fuel nozzles/end cover assemblies.
6. Install secondary fuel nozzles.
7. Reconnect false start drain lines to combustion casings.
8. Install 5th and 11th stage cooling and sealing air lines.
Note: Install all the 11th stage cooling and sealing air piping except the upper
right side, looking with flow, section with the compressor bleed valve
(33CB-2). This section will be installed after the exhaust plenum access
upper panel is reinstalled.
9. Install primary, secondary and transfer gas fuel lines.
10. Install turbine casing blank cover on hand hole port or the air extraction manifold.
11. Install secondary flame detectors.
12. Reconnect the ignitors.
Operation 14 — How to Install Inlet Plenum
1. Rig to lift the inlet plenum using two lengths of timber spacing wedged forward to aft on the outer
extremities to keep the plenum from distorting when being lifted.
2. Lift the upper half plenum into position onto the lower half plenum.
3. Coat bolting with Fel Pro C-102 anti-seize compound and install all vertical and horizontal joint
bolts on the forward and aft walls.
4. Install new gaskets to the inlet extensions (wings) left and right sides. Lift extension wings into
position and bolt in place.
5. Reconnect CO
forward and aft plenum walls.
piping, conduit runs, wiring, switches and any other components attached to the
2
Major Inspection — Reassembly Procedures
MI-R-9
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