TM 9-2815-202-34
NOTE
Steps (9) thru (16) provide information to install oil seal rings, carriers, and collars (old
style) on rotor shafts and end plates. These three parts are only available from existing
stock and have been superseded.
(9)
(10)
Support rotor assembly on wood block in arbor press.
Lubricate inside diameter of oil seal ring carrier (35) with engine oil. Start carrier over end of
rotor shaft with chamfered inside diameter end facing rotor.
NOTE
A step under shoulder of installer will position collar 0.005 inch (0.12 mm) below
finished face of end plate.
(11)
(12)
Place oil seal ring carrier installer over end of rotor shaft and against carrier (35). With
installer under ram of press, press carrier down tight against rotor.
To install remaining oil seal ring carriers (35) on shafts of rotors (6 and 7), repeat steps (9)
thru (11).
NOTE
To avoid breakage or distortion, do not spread or twist oil seal rings more than
necessary to install.
(13)
(14)
(15)
(16)
Install ring-type oil seal (34) in ring groove of carrier (35) with snap ring pliers.
Support one blower end plate, inner face up, on two wood blocks in arbor press.
Lubricate outside diameter of oil seal ring collar (29) with engine oil. Start chamfered outside
diameter end of collar straight into bore of end plate using short end of oil seal installer.
To install remaining ring-type oil seals (34) on rotors and oil seal ring collars (29) in end
plates, repeat steps (13) thru (15).
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