4-41. BLOWER REPAIR (Cont)
(18) Apply step (16) to front end plate (23)
and remove two front bearings (33)
and two seal ring collars (30) or two
lip-type seals (31).
(19) Clamp lobe of rotor (6) in soft-jawed
vise just tight enough to hold rotor
To avoid breakage or distortion, do
not spread or twist oil ring seals
more than necessary to remove.
Steps (20) thru (23) provide
information to remove oil seal rings
(34) and carriers (35) from rotor
shafts if original oil seals are
Remove oil ring seal (34) from seal
ring carrier (35) with snap-ring pliers.
Place seal ring carrier adapter over
carrier (35) for seal. Secure adaptor
to flange of gear puller (with center
screw backed out) with two supplied
Turn puller screw and pull oil seal
ring carrier (34) from shaft of rotor (6).
To remove remaining oil seal ring
carriers from shafts of rotors (6 and 7),
repeat steps (20) thru (22).
If necessary, remove two oil strainers
(36) and two sleeve bushings (37)
from blower end plates (22 and 23).
Remove two plugs (38) from top of
blower end plate covers (22 and 23).
If necessary, remove two dowel pins
(39) from each end plate (22 or 23).
Discard dowel pins.