Quantcast Installation of Oil Seal and Inner Cone and Roller Bearing Assembly.

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(9)
Remove
key
washer
(F)
and,
using
the
opposite
end
of
wrench
41-W-3825-72
remove
bearing
adjusting
nut
(G).
(10) Remove outer cone and roller bearing assembly (II)
from trunnion cross tube.
(11)
Remove
spring
seat
(K)
by
using
a
slight
rotary
motion while carefully sliding seat from trunnion cross
Inner cone and roller bearing assem-
bly (W) will remain in seat.
b.
Removal
of
Oil
Seal
and
Inner
Cone
and
Roller
Bearing
Assembly.
(1)
Remove
oil
seal
(Q)
from
spring
seat
(K).
Discard
oil seal.
(2) Remove inner cone and roller bearing assembly (W)
from spring seat (K) .
(3) Remove felt seal retainer (S), felt seals (T), and seal
retaining
washer
(U)
from
trunnion
cross
tube
with
Do not remove oil seal wiper (R)
a standard puller.
from
trunnion
cross
tube
unless
it
is
damaged.
Note. Replacement of the oil seal wiper is normally an ordnance
maintenance operation, but may be performed in an emergency by
the using organization, providing authority for replacement is
obtained from the appropriate commander.  Tools needed for the
operation which are not carried in the using organization may be
obtained from the supporting ordnance maintenance unit,  Refer
to paragraph 85e for replacement procedures.
c.
Clean
and
Lubricate
Spring
Seat
and
Clean
seat,
tube,
and
bearings  with  mineral  spirits  paint  thinner  or
Use brush to remove old lubricant. In-
dry-cleaning
solvent.
spect  seat  for
cracks
and
damage
which
might
impair
its
serviceability. Inspect bearing cups and replace (par. 53h and
Apply thin coating (not over
i) if worn, distorted, or scored.
1/16-inch)
of
bearing
lubricant
to
inside
of
seat
and
to
tube.
Inspect roller assemblies for serviceability and lubricate as speci-
fied in lubrication order (fig. 32).
d. Installation of Oil Seal and Inner Cone and Roller Bear-
ing Assembly.
(1)
If  oil  seal  wiper  (R)  was  removed  from
trunnion
cross  tube,  install  a  new  wiper  (par.  85e).
(2) Install seal retaining washer (U), two felt seals (T),
and felt seal retainer (S) on trunnion cross tube.
(3)
Install  inner  cone  and  roller  bearing  assembly
(W)
in  larger  diameter  end  of  spring  seat  (K).
(4) Install a new oil seal (Q) over installed inner cone
and
roller
bearing
assembly
(W).
Using
a
wooden
TAGO 1321B
88



 


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