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 TM 55-1905-220-14-5
3-68. BLOWER - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION (Cont)
a. Rotors
Dirt or chips drawn
through the blower will
make deep scratches in
the rotors and housing
and throw up burrs a-
round such abrasions.
If burrs cause inter-
ference between the
rotors or between the
rotors and the housing,
remove the blower from
the engine and dress the
parts down to eliminate
the interference, or re-
place the rotors if they
are too badly scored.
b. Oil
Leaky oil seals are us-
To correct any
seals
ually manifested by the
of the above
presence of oil on the
conditions, re-
blower end plates and
move the blower
rotors or the inside
from the engine
surfaces of the housing.
and replace it.
This condition may be
checked by running the
engine at low speed and
directing a light into
the rotor compartment
at the end plates and
the oil seals. A thin
film of oil radiating
away from the seals is
indicative of an oil leak.
3-1220
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