TM55-2840-251-23
8-2
OIL LINES AND FITTINGS (Continued)
8-2-5 INSTALLATION (Cont)
7.
Install two new preformed packings (26) on No. 2
bearing internal scavenge tube (25) and install into gas
generator case.
8.
Install coupling (24) over rear ends of transfer
tubes (31). Install coupling (24) on gas generator case
split line and secure with plain washers (23) and bolts
(22). Torque bolts to 36 to 40 inch-pounds and
lockwire (E.5).
9.
Install internal transfer tube (21) (Task 5-3).
10.
Install two new preformed packings (20) on No. 2
bearing scavenge oil tube (19) flanges, insert forward
flange through rear fireseal mount ring and secure to
coupling (24) with two bolts (14). Torque bolts to 36 to
40 inch-pounds and lockwire (E.5).
11.
Secure rear flange of tube (19) to pad on inlet
case with two bolts (14). Torque bolts to 36 to 40 inch-
pounds and lockwire (E.5).
12.
Install split seals (18) and half-plates (17) and (45)
over tube (19) on either side of rear fireseal mount ring.
Secure seals and plates with bolts (15) and self-locking
nuts (16). Torque nuts fingertight plus 180 degrees.
13.
Install new preformed packings (13) on both ends
of transfer tubes (12).
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