G. Remove the remaining oil seal ring
carriers from the rotor shafts in the
s a m e manner.
H. Refer to Figure 11D-10 and support
the outer face of the blower end plate
on wood blocks on the bed of an arbor
press.
F i g u r e 11D-8. Removing Oil Seal Ring
from Carrier
B. Remove the oil seal ring from the seal
ring carrier on each blower rotor with
a pair of snap ring pliers J 4880 as
F i g u r e 11D-10. Removing Seal Ring
shown in Figure 11D-8.
and Bearing from End Plate
C . Refer to Figure 11D-9 and place the
seal r i n g c a r r i e r r e m o v e r a d a p t o r J
I.
Place the long end of the oil seal re-
6270-2 over the carrier. Make sure
mover and i n s t a l l e r J 6 2 7 0 - 3 d o w n
the adaptor is seated in the groove of
through the oil seal ring collar and
the carrier.
i n t o t h e b e a r i n g , with the opposite
end of the remover under the ram of
Then press the bearing
the press.
and oil seal ring collar out of the end
plate.
R e m o v e the remaining bearings and oil
J.
seal ring collars from the end plates
in the same manner.
Inspection
Wash all of the blower parts in clean fuel
oil and dry them with compressed air.
F i g u r e 11D-9. Removing Oil Seal Ring
Carrier
Examine the bearings for any indications
Lubricate each
of corrosion or pitting.
D. Back out the center screw of puller J
bearing with light engine oil. Then whi-
6270-1 far enough to permit the puller
le hold the bearing inner race from turn-
flange to lay flat against adaptor J
ing, r e v o l v e t h e o u t e r r a c e s l o w l y b y
6270-2.
hand and check for rough spots.
E. Place the puller over the end of the
are
bearings
double
row
ball
The
rotor shaft and against the adaptor on
pre-loaded and have no end play. A new
the oil seal ring carrier. Then secure
double-row bearing will seem to have
the puller to the adaptor with two
considerable resistance to motion when
bolts.
revolved by hand.
F. Turn the puller screw clockwise and
Check the oil seal rings, carriers and
pull the oil seal carrier from the rotor
If worn
collars for wear and scoring.
shaft (see Figure 11D-9).
excessively, they must be replaced. The
Air Intake System
