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TM 9-2320-364-34-4
21-18
21-2. BLOWER ASSEMBLY REPAIR (CONT).
(41)
Rotate rotors (30) and (31) to align lobes
with points (D).
NOTE
If proper clearance cannot be
obtained at points D and E,
replace blower.
(42)
Measure clearances at points (D). Minimum
clearance is 0.015 in. (0.381 mm).
(43)
Rotate rotors (30) and (31) to align lobes
with points (E).
(44)
Measure clearances at points (E). Minimum
clearance is 0.009 in. (0.228 mm).
(45)
Rotate rotors (30) and (31) 180 degrees.
NOTE
Add shims behind driven gear to
increase (C) clearance.
(46)
Measure clearance at points (C). Minimum
clearance is 0.013 in. (0.330 mm).
NOTE
Add shims behind drive gear to
increase (CC) clearance.
(47)
Measure clearance at point (CC). Minimum
clearance is 0.013 in. (0.330 mm).
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