DISASSEMBLY AND ASSEMBLY
3. Install the seal ring on collar (4).
4. Put bearing (3) in position on the collar.
The oil grooves in the bearing must be clean
and free of all dirt or foreign material. The bear-
ing must be installed with the oil grooves to-
ward the housing.
5. Put the bearing and collar in position on the
housing so the oil grooves in the bearing are
toward the housing and the holes in the bearing
are in alignment with the pins in the housing.
Be extra careful during installation of the bear-
ing and collar not to cause damage to the seal
ring on the collar.
Install the seal ring on the housing.
Put the backplate assembly in position on the
housing respective to the marks put on the
housing and backplate at disassembly. Install
the plates and bolts. Tighten the bolts to a
torque of 8.5 - 10.2 N·m (75 - 90 lb.in.).
Install shroud (5) on the housing.
Put 6V2055 High Vacuum Grease in the
groove for seal ring (7). Make sure the grease
fills the groove approximately one half or more
of the groove depth for the complete circumfer-
ence of the groove to help make a carbon dam
under the seal. Install seal ring (7). Carefully
install turbine wheel and shaft (6) in the hous-
Put the housing, turbine wheel and shaft and the
backplate assembly in position on tool (A).