Assembly-continued -706880807

TM 5-4210-233-14&P-1

5-22.

BLOWER REPAIR - Continued

(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.

(40)

Turn blower (7) upside down and place 0.004-in.

(0.1 02 mm) feeler gage between rotor loves (29

and 30). Rotate rotors while gage is installed.

(41)

Remove feeler gage.

NOTE

To increase or decrease gap between trailing edge of right rotor

lobes and leading edge of left rotor lobes, do steps (42) through

(45).

(42)

Install puller tool on left timing gear (23) with two screws.

(43)

Install puller tool on right timing gear (22) with three screws.

NOTE

Place clean, folded shop towel between blower rotors to keep

gears from turning.

(44)

Tighten puller screws evenly to remove gears (22 and 23).

5-137