TM55-2840-251-23
8-2
OIL LINES AND FITTINGS (Continued)
8-2-5 INSTALLATION (Cont)
2.
Install oil transfer tube (42) into port in reduction
gearbox and secure elbow (40) to gearbox mount pad
with three bolts (38) and washers (39). Torque bolts to
36 to 40 inch-pounds and lockwire (E.5).
3.
Install two new preformed packings (37) on each
transfer tube (36) and insert one end of each tube into
elbow (40).
4.
Slide scavenge coupling assembly (35) over the
two transfer tubes (36) and locate coupling assembly on
front face of flange C, insuring that locating pin on
coupling engages locating hole in flange. Secure
coupling to flange C with three D-bolts (33), washers
and self-locking nuts (34). Torque nuts to 36 to 40
inch-pounds.
5.
Install two new preformed packings (32) on both
transfer tubes (31). Carefully insert tubes (31) through
center fireseal mount ring towards the reduction
gearbox. Install one seal (30) and retaining plate (29)
on forward end of tubes (31) and insert tubes into
coupling (35).
6.
Install one seal (30) and retaining plate (29) on
rear end of tubes (31). Secure plates (29) and seals
(30) to center fireseal mount ring with three bolts (28)
and self-locking nuts (27). Torque nuts fingertight plus
180 degrees.
GO TO NEXT PAGE
8-16
