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 TM 5-4210-233-14&P-1
5-22.
BLOWER REPAIR - Continued
NOTE
To change gap between rotor lobes by
0.001-in. (0.025 mm), add or remove a
0.003-in. (0.076 mm) shim.
(55)
Add or remove shims (21) to right rotor
shaft (4) as necessary.
(56)
If rotor lobe clearances cannot be
corrected with shims, replace rotors.
(57)
Install blower timing gears, following
steps (31) through (35).
(58)
Check clearance of rotor lobes, following
steps (48) through (51).
NOTE
There are six measurements between
rear end plate and rotor lobes, one for
each lobe of each rotor.
(59)
Using 0.007-in. (0.178 mm) feeler gage
check clearance between rear end
plate (10) and both rotor lobes
(29 and 30). If clearance is not
correct, replace rear end plate.
(60)
Using 0.012-in. (0.305 mm) feeler
gage, check clearance between front
end plate (6) and both rotor lobes (29
and 30). If clearance is not correct,
replace front end plate.
5-140
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