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TM 5-4210-220-34
3-8.
ENGINE Continued
3-8.3
Blower Continued
NOTE
To avoid breakage or distortion, do not spread or twist the ring anymore than necessary to remove it.
(25) Place the seal ring carrier remover adapter J6270-2 over the carrier (33). Make sure the adapter is seated in
the groove of the carrier.
(26) Back out the center screw of puller J6270-31 far enough to permit the puller flange to lay flat against the
adapter J6270-2.
(27) Place the puller over the end of the rotor shaft and against the adapter on the oil seal ring carrier. Aline the
holes in the puller flange with the tapped holes in the adapter, then secure the puller to the adapter with two
bolts.
(28) Turn the puller screw clockwise and pull the oil seal ring carrier and roller bearing inner race (front end of
blower rotors only) from the rotor shaft.
(29) Remove the remaining oil seal ring carriers (33) from all remaining rotor shafts as detailed in steps 23 thru 29
preceding.
NOTE
To remove the oil seals and bearings from the end plates, carry out steps 30 thru 32. If the bearing is
good, only the oil seal has to be removed; carry out steps 33 thru 36.
(30) Support the outer face of the blower end plate on wood blocks on the bed of an arbor press.
(31) Place the long end of the oil seal remover and installer J6270-3 down through the oil seal ring collar and into
the bearing, with the opposite end of the remover under the ram of the press. Then, press the bearing and oil
seal ring collar out of the end plate.
(32) Remove the remaining bearings and oil seal ring collars from the end plates in the same manner.
(33) Insert the two-piece collar remover with the O-ring J6270-15, in the collar with the lip of the remover on the
inside edge of the collar.
(34) Support the inner face of the blower end plate on wood blocks.
(35) Insert the small end of the driver handle J6270-17 through the bearing and into the collar remover, spreading
it tight in the collar.
(36) Press or tap on the driver handle to remove the collar.
WARNING
Dry cleaning solvent P-D-680 (safety or Stoddard’s solvent) is potentially dangerous. Avoid repeated and
prolonged breathing of vapors and skin contact with the liquid. Do not use near open flame, arcing
equipment or other ignition sources. Always wear eye protection and protective clothing. The flash point of
P-D-680 is 100 to 138 deg. F (30 to 59 deg. C).
3-114
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