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 TM9-2815-224-34&P
Blower Maintenance Instructions (Cont)
I 14-4. BLOWER REPAIR (CONT).
NOTE
Remove shop cloth before timing rotors and setting clearances.
(36) Install four screws (27) and washers (28) in front end plate (6) and rear end plate (10).
(37) Tighten screws (27) to 15 lb-ft (20.34 N-m).
NOTE
q Correct rotor operating range is 0.004 to 0.006 in. (0.102 to 0.152 mm). If rotor
does not meet specification, do steps (41) through (46).
q Clearances between rotor lobes must be measured 1 in. (25.4 mm) from end plate.
(38) Place 0.004-in. (0.102 mm) feeler gage between rotor lobes (29 and 30). Rotate rotors while gage
is installed.
(39) Remove feeler gage.
14-28
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