Assembly-continued -706880808

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.

(45)

Add or remove shims (21) to left rotor

shaft (4) as necessary.

(46)

Install blower timing gears according

to steps (31) through (35).

(47)

Check rotor lobe clearance according

to steps (38) through (41).

NOTE

Correct rotor operating is 0.009 to 0.011 in. (0.23

to 0.28 mm). If rotors do not meet this specifica-

tion, do steps (52) through (57).

(48)

Place 0.010-in. (0.254 mm) feeler gage

between rotor lobes (29 and 30). Rotate

rotors while gage is installed.

(49)

Remove feeler gage.

5-138