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 TM 55-1905-221-14-4
6-35. BLOWER ASSEMBLY (Continued).
LOCATION/ITEM
ACTION
REMARKS
REASSEMBLY (Cont)
37. Blower
a. The lobes on the upper blower
Assembly
rotor and the teeth on its
Rotors
gear form a right-hand helix
while the lobes and teeth of
the lower rotor and gear form
a left-hand helix. Therefore,
a rotor with right-hand helix
lobes must be used with a gear
having right-hand helix teeth
and vice versa. With this
precaution in mind proceed
with blower assembly.
b. Place rotor shafts (100) through
rotors to secure.
c. Install pins (99) in rotor
shafts (100).
d. Place lower right hand rotor
assembly (102) in mesh with
upper right hand rotor
assembly (101).
6-671
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