Figure 4-32. Setup for UH-19 Helicopter Engine Fan Assembly Track and Concentricity Check

TM 55-4920-201-14

1. Surface plate

2. Base (2341, 7HEL055 kit)

3. Balancing arbor (2259,

7A050 kit)

4. Plate (2342, 7HEL055

kit)

5. Cone (2228, 7A050 kit)

6. Cone setscrew

7. Engine fan assembly

8. Plate setscrew

kit)

10. Height gage assembly

(7HEL055 kit)

Figure 4-32. Setup for UH-19 Helicopter Engine Fan Assembly Track and Con-

centricity Check.

of adapter assembly hub with 6 inch position on

4-56. UH-19 Tail Rotor Hub and Blade Assembly

arbor scale (7). Lock arbor securely in this position

Balance Check-105-inch-diameter Con.

by moderate and uniform tightening of two adapter

figuration with Movable Counterweights. (See

setscrews (4), using 3/ 32-inch hex wrench (2,

a. Insert lower end of balancing arbor (6)

into piloting hub of adapter assembly (1). Align top

4-53