Installation - TM-5-6115-612-34

Reassembly. (cont) - TM-5-6115-612-34_224

OVERHAUL OF GEARBOX ASSEMBLY - TM-5-6115-612-34_226

TM-5-6115-612-34 Gas Turbine Engine Driven Aviation Generator Set Manual
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ARMY TM 5-6115-612-34 NAVY AG-320B0-MME-00 8-4. OVERHAUL OF TURBINE ASSEMBLY. (cont) f. Reassembly (cont) (31) Torque retainer nut to 475-600 inch pounds (53.67-67 80 Nm). NOTE Speed pickup nut is a 100% replaceable item and should not be reused. (32) Install new speed pickup nut (9, Figure 8-6) Use fabricated tool (FT-21368) with torque wrench and stake speed pickup nut into grooves on sides of turbine wheel shaft using a center punch Carefully remove any metal particles from area around retainer nut and speed pickup nut using a vacuum cleaner. Flush area with alcohol followed by clean turbine oil Flush entire area generously with oil. (33) Install both halves of turbine nozzle assembly (1, Figure 8-6) and secure with six washers (9) and bolts (8) Torque to 40 inch pounds (4 52 Nm) (34) Install shims (7) to depth measured on disassembly. (35) Begin to install turbine nozzle (1) Ensure that matchmarks on turbine nozzle and diffuser are alined. (36) Drop bolts into positions 2, 3, 5, 6, 8, 9, 11, 12, 14, 15, and 17 See Figure 8-7 Ensure that bolts drop through holes to outside of compressor inlet housing (3, Figure 8-6) (37) Complete installation of turbine nozzle by lightly tapping nozzle into position using a non-metallic hammer. NOTE Reverse safety wire, inlet compressor, and back shroud bolts. (38) Install washers (5) and nuts (4) on bolts (6) Torque in crisscross pattern to 40 inch pounds (4.52 Nm). Lockwire using MS20995-C3 after shim set clearance is accomplished. (39) Use wire gage to measure clearance between turbine wheel and turbine nozzle. Adjust shim set (7) to maintain clearance of .022-.026 inch (0.056- 0.066 cm) g. Installation. CAUTION Maintain clearance of 0.014-0.058 inch (0 036-0 147 cm) between speed pickup nut and speed sensor. (1) Install shim (22, Figure 8-5) and speed sensor (21). (2) Install washer (20) and speed sensor clip (19) Secure with bolt (18). (3) Install preformed packing (17) and bleed air connector (16). (4) Install shouldered output shaft (8) and preformed packing (7). (5) Install turbine assembly (6) and secure with washers (5) and nuts (4). Lockwire using M520995-C32. (6) On bottom of compressor inlet housing, connect fuel drain line (3), oil drain tube (2), and oil supply tube (1) (7) Install combustion chamber case in accordance with paragraph 8-2d. (8) Install padeye (26) and foreign object deflector (25 1) Secure with washer (25), and bolt (24). Torque to 50-70 inch pounds (5.7-7 9 Nm). (9) Install preformed packing (23). 8-40 Change 4

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