4-45 INSTALL NO. 4 AND 5 BEARING OIL TUBES (AVIM) (Continued)
m. If removed, install shim (34) on inner bolt circle on
aft face of fourth turbine nozzle assembly (35).
In following step, be sure to use 22 new screws.
Used screws could break and cause damage to
n. Coat 20 bolts (36) and 22 screws (37) with anti-
seize compound (E6).
In following step, outer bolts are to be torqued first
to reduce breakage of screws that can cause damage
o. Install heat shield (38),22 screws (37) and 20
bolts (36) Torque screws (37) to23 inch-
pounds, then torque bolts (36) to83 inch-
pounds. Lockwire screws (37) and bolts (36) Use
p. Install fourth stage power turbine roto(Ref
Service Engine Oil System (Task 1-68).
END OF TASK