O V E R V I E
This chapter contains procedures for the maintenance and preservation of the power turbine. Paragraphs following
outline disassembly, inspection, repair, and additional requirements needed to maintain the power turbine and related
parts. Procedures requiring maintenance on the Aviation Intermediate Maintenance (AVIM) level are specified and
must be performed as such. Paragraphs in which the maintenance level is not specified shall be considered Aviation
Unit Maintenance (AVUM) and maybe performed at this level or a higher level of maintenance.
Power Turbine Maintenance Procedures
Exhaust Collector Support - Inspection
Thermocouple Assembly - Inspection
Thermocouple Terminal Assembly - Removal and Installation
4-1. POWER TURBINE MAINTENANCE PROCEDURES.
Visually inspect all subassemblies and accessories removed from the engines power turbine section. Check for loose
or missing parts. Note any damage or excessive wear. Repair damaged parts where possible. Replace dmaaged parts
that cannot be repaired. Disassembly procedures provided enable required cleaning, inspection, repair or replacement.
4-2. EXHAUST COLLECTOR SUPPORT - INSPECTION.
3-5. Combustion Liner - Weld Repair (AVIM)
Visually inspect the exhaust support for cracks.
Cracks are not repairable, replace the engine. (Re-
fer to paragraph 1-43 and 7-2.1).