TM 55-1930-209-14&P-21
(b) Start the oil seal straight into bore in end plate with sealing edge facing down (toward bearing bore).
(c) Place short end of oil seal remover and installer in the oil seal and under ram of press. Then, press
oil seal into end plate until shoulder on installer contacts end plate.
NOTE
A step under the shoulder of the installer will position the oil seal approximately .005 inch below
the finished face of the end plate. This is within the .002 to .008 inch specified.
(d) Install remaining oil seals In end plates in same manner.
(2) Install ring type oil seal, carriers, and collars on rotor shafts and in end plates as follows:
(a) Support one of rotor assemblies on wood blocks on bed of an arbor press as shown in figure 6-9.
(b) Lubricate inside diameter of oil sealring carrier with engine oil; then start carrier straight over end of
rotor shaft with chamfered inside diameter end facing rotor.
(c) Place oil sealring carrier installer over end of rotor shaft and against carrier with end of installer
under ram of press. Then, press carrier down tight against rotor.
(d) Install remaining oil sealring carriers on rotor shafts in same manner.
(e) Install an oil sealring in ring groove of each carrier with a pair of snapring pliers in same manner.
CAUTION
To avoid breaking the oil sealrings, do not spread them any more than necessary to place them
over the end of the carrier.
(f) Support one of blower end plates, inner face up, on wood blocks on the bed of an arbor press.
(g) Lubricate outside diameter of a sealring collar with engine oil; then start chamfered outside
diameter end of collar straight into bore in end plate.
(h) Place oil sealring collar installer on top of sealring collar and under ram of press in same manner.
Then, press collar into end plate until shoulder on installer contacts end plate.
6-20
