TM55-2840-251-23
8-2
OIL LINES AND FITTINGS (Continued)
8-2-5 INSTALLATION (Cont)
21.
Assemble two new preformed packings (30) and,
only on engines incorporating stainless steel tubes, two
packing retainers (31) on transfer tube (29). Insert tube
into elbow (34).
NOTE
Insure preformed packings are nearest
tube ends as shown.
22.
Install new preformed packing (35) on elbow (34)
flange. Locate elbow on reduction gearbox mounting
boss and secure with two plain washers (33) and bolts
(32). Torque bolts to 36 to 40 inch-pounds and
lockwire (E.5).
23.
Carefully install coupling (28) over rear end of
transfer tube (29) and locate on flange C, insuring
locating pin engages correctly with hole in flange C.
Secure coupling to flange C with two dee-head bolts
(27), plain washers (26) and self-locking nuts (25).
Torque nuts to 36 to 40 inch-pounds.
24.
Install two new preformed packings (24) on center
transfer tube (23). Install tube (23) from the rear
through one retaining plate (21), one seal (22), center
fireseal mount ring, another seal (22) and retaining plate
(21) into rear end of coupling (28). Secure plates and
seals to center fireseal mount ring with two bolts (20)
and self-locking nuts (19). Torque nuts fingertight plus
180 degrees.
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