TM 5-4310-451-14
5-64. BLOWER ASSEMBLY REPAIR (Cont.).
47.
Turn blower housing (1) over and place 0.007 in.
(0.178 mm) feeler gage between lobes of rotors
(37 and 38).
48.
Turn lobes of rotors (37 and 38) while gage is in
place. Rotors must move freely.
49.
Remove feeler gage.
50.
To Increase or decrease gap between leading
edge of lobe of right rotor (37) and trailing edge
of left rotor (38), repeat steps 37 through 41. If
clearance cannot be corrected with shims,
replace rotors (subparagraph a, steps 4 through
21 and subparagraph c, steps 4 through 49).
NOTE
There are 12 measurements. Six between rear end plate and lobes of rotors and six
between front end plate and lobes of rotors.
51.
Using a 0.007 in. (0.178 mm) feeler gage, check clearance between rear end plate (2) and lobes of both rotors
(37 and 38). If clearance is not correct, replace rear end plate.
52.
Using a 0.012 in. (0.305 mm) feeler gage, check clearance between front end plate (23) and lobes of both rotors
(37 and 38). If clearance is not correct, replace front end plate.
TA705104
5-233
