TM55-2840-251-23
8-2
OIL LINES AND FITTINGS (Continued)
8-2-5 INSTALLATION (Cont)
14.
Install tubes, from air inlet case side, through one
retaining plate (10), one seal (11), rear fireseal mount
ring, another seal (11) and retaining plate (10), into ports
in coupling (24).
15.
Secure seals and retaining plates to rear fireseal
mount ring with three bolts (9) and self-locking nuts (8).
Torque nuts fingertight plus 180 degrees.
16. Install retaining rings (1) and two new preformed
packings (6) on transfer tubes (5) and (7). Locate
retaining rings on center section of tubes, not in their
retaining grooves.
17.
Insert transfer tube (5), retaining ring groove end,
leading into outboard port in elbow (4); push in to full
depth of counterbore.
18.
Insert transfer tube (7), retaining ring groove end,
leading into inboard port in elbow (4); push in to full
depth of counterbore.
19.
Install oil transfer elbow (4) onto two transfer tubes
(12). Locate elbow on flange G studs and secure with
two plain washers (3) and self-locking nuts (2). Torque
nuts to 32 to 36 inch-pounds.
20.
Slide transfer tubes (5) and (7) out of elbow (4)
and engage them in external scavenge pump ports.
Slide retaining rings (1) along tubes (5) and (7) and
engage in grooves on tubes.
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