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Page Title:
INSTALL OIL SCAVENGE TUBE ASSEMBLY |
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 TM 9-2835-255-34
GAS TURBINE POWER UNIT REPLACEMENT (Sheet 28 of 30)
31. INSTALL OIL SCAVENGE TUBE ASSEMBLY (1),
METAL SEAL RING (2) AND GASKETS (3, 4).
f.
Lightly coat two gaskets (3) with Ultrachem
assembly fluid and install over hollow pins (5).
g.
Apply a light coat of Ultrachem assembly fluid
to metal seal ring (2) and install onto outer
flange (6).
h.
Insert oil scavenge tube assembly (1) through
regenerator (7). Install (oval) gasket (4), onto
inner flange (8). Use Uttrachem assembly
fluid to hold gasket.
Apply antiseize compound to two new bolts
i.
(9). Install bolts (9) but do not torque.
Apply antiseize compound to three bolts (10).
j.
Loosely install bolts (10) with washers (11).
32. USING TORQUE ADAPTER (12) TIGHTEN
BOLTS (9) BETWEEN 49-57 LB-IN (5.5-6.5 NM)
TORQUE. WAIT 10 MINUTES AND RETORQUE.
TIGHTEN BOLTS (10) BETWEEN 80-100 LB-IN
(9-11 NM) TORQUE.
33. USING FEELER GAGE, CHECK GAP BETWEEN
FLANGE (8) AND GAS TURBINE POWER UNIT
HOUSING (13). THE GAP SHALL BE NO LARGER
THAN 0.002 INCH (0.051 MM). IF GAP IS GREATER
THAN 0.002 INCH, REPLACE OIL SCAVENGE TUBE
ASSEMBLY (1).
34. INSTALL SCREW (14) THROUGH CLAMPS (15)
AND SUPPORT BRACKET (16) AND SECURE WITH
NEW SELF-LOCKING NUT (17).
35. SAFETY WIRE BOLTS (9) USING TWO WIRE
TWIST METHOD AND BOLTS (10) USING SINGLE
WIRE METHOD.
Go on to Sheet 29
6-89
Change 6
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