2) During installation,be careful not to
damage the lips,and assure that it is
pushed in parallel to the shaft or hole.
3) When oil seals are installed,there
should be no turnover of the lips nor
dislocation of the springs.
4) When a multi-lip seal is installed, the
grooves between lips should be filed
with grease, not adhesive.
(3) O-rings
1) O-rings should be coated with
grease before installing.
2) Installed O-rings should have no
slack or twist.
3) Installed O-rings should maintain
proper air tightness.
(4) Snap rings
1) Snap ring installers should be
designed so as not to permanently
deform the snap rings.
2) Installed snap rings should be
seated securely in the groove.
3) Be careful not to overload the snap
ring to the extent that it is
permanently deformed.
4) How to install the snap ring:
When installing a snap ring,install it
as shown in the figure with its round
edge side turned toward the part to
be retained.This round edge is
formed when the snap ring is
pressed out.
(5) Spring(roll) pins
1) Spring pins should be driven in
properly as tightly.
2) Spring pins should be installed so that
their seams should face the direction
from which the load is applied.
Fig.2-2
3) The roll pins installed in the
transmission or other parts where
much force is applied should be
retained with the wire.
(6) Cotter pins
When installed, cotter pins should be
bent securely at the ends as shown in the
figure
Fig.2-3
Fig.2-1
(7) Bolts and nuts
1) Special bolts are installed at
several locations,so be sure not
to interchange them other bolts.
2) Bolts and nuts should be
tightened to their specified torque
wrench.
3) When locking the bolts or nuts
with wire or a lock washer,
2-2
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