Blower Assembly - TM-10-3930-634-340046

TM10-3930-634-34

b. Removal. Refer to figure 3-16 and remove the air

f. Installation. Refer to figure 3-16 and install the

inlet housing.

air inlet housing. Tighten screws to 16-20 lbs- ft of

c. Disassembly. Refer to figure 3-17 and disassem-

ble the air inlet housing in numerical sequence, noting

the position of the shutdown spring.

3-14. Blower Assembly

d. Cleaning and Inspection.

a. General.

(1) Clean air inlet housing and hardware using a

(1) The blower assembly, located behind the air in-

cleaning solvent such as P-D-680 or equivalent.

let housing, supplies fresh air required for combustion

(2) Clean the housing gasket screen of dirt and

and scavenging. Two hollow double lobe rotors revolve

foreign material. Use cleaning solvent P-D-680 and

in the rotor housing. The revolving motion of the

blow dry with low pressure compressed air.

rotors provides a continuous and uniform displace-

(3) Inspect springs for cracks and bends.

ment of air.

(4) Inspect all mounting hardware for defects and

wear. Replace a defective part.

(2) Gears located at the splined ends of the rotor

e. Reassembly. Refer to figure 3-17 and reassemble

shafts assist in spacing the rotor lobes. Normal gear

the air inlet housing in reverse of numerical sequence.

wear will have some effect on the rotor-to-rotor clear