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 TM 55-1905-220-14-10
5-8. BLOWER-MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
OVERHAUL-ASSEMBLY (Cont)
h. Blower
Check the relationship of
housing
the blower end plates to
(61)
the housing at the cylinder
and end
block side of the blower
plates
assembly. The protrusion
(57 and
of the housing with respect
58)
to the end plates should
not be more than .0015".
Excessive protrusion
could distort the housing
when the end plate to
cylinder block bolts are
tightened and cause rotor
to housing interference.
i.
Bearings
1. With the blower housing,
(62)
rotors and end plates
still supported in a
vertical position on
the two wood blocks,
install the ball
bearings on the rotor
shafts and in the rear
end plate as follows:
2. Lubricate one of the
ball bearings with
light engine oil.
Start the bearing,
numbered end up,
straight on one of the
rotor shafts.
3. Place installer J6270-7
on top of the bearing
and tap the bearing
straight on the shaft
and into the rear end
plate as shown.
4. Install the second
ball bearing on the
remaining rotor shaft
in the same manner.
5-244
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