Combustion Hardware

We repair fuel nozzles, combustion liners, transition pieces and all associated hardware for every major engine type.

COMBUSTION HARDWARE - WORK SCOPE

      A)  TRANSITION PIECES

• Receive parts and record serial numbers.

• Incoming dimensional inspection.

• Remove floating seals.

• Aluminum oxide blast clean transition pieces to remove existing coatings.

• NDT inspect transition piece bodies.

• Defect Map the location and dimension of all cracks and wear.

• Inspect the condition of transition piece body.

• Place transition piece in functional fit fixture; measure and record any creep deflection .

• Grind out any cracks or indications.

• Pre-weld solution heat treatment.

• Remove picture frame from transition piece body if required.

• Dimensionally inspect; measure and record forward end roundness.                                    

• NDT inspect transition piece bodies.

• Weld repair transition piece bodies.

• Install new picture frames on transitions.

• Upgrade picture frame sealing slot using hard face sheet stock inlays.

• Remove & replace “H” blocks if required.

• Dress forward ring in way spring seal wear.

• Plasma spray stellite coating to inlet end.

• Apply TBC full coating to transition pieces.

• Install new floating seals, weld retainers.

• Package for shipment.

• Prepare repair report and forward to customer.

      B)    Combustion Liners

• Receive in and verify serial numbers.

• Perform visual inspection and record findings.

• Match mark and remove cowl caps

• Abrasive blast to remove coating if required

• Perform Fluorescent Penetrant Inspection and defect map

• Visual / dimensional inspection

• Forward inspection results to customer detailing repair recommendations.

• Remove cross fire collars and hula skirts as required.

• Remove areas showing excessive amounts of erosion or frettage.

• Repair eroded or fretted areas by welding and/or sectional replacement.

• Weld repair cracking on liner body as required.

• Weld repair or replace liner stops.

• Repair Fuel Nozzle Bores by blending or welding and machining.

• Visual inspect components to ensure conformity.

• Perform FPI on completion of repairs.

• Perform dimensional inspection.

• Apply TBC coating to liner body and cowl cap if required

• Refit cowl cap to liner body and weld cap pins in place.

• Perform final visual / dimensional inspection.