Adapter Cones and Bushings

TM55-4920-201-14

fluid reservior in the balancing arbor, filled with nil,

arbor. is accomplishcd by adapter cones an

provides a dash-pot for dam ping out excessive

bushings. These components provide for sli

oscillation of the sensitive balance indication. Oil

f i t s on the balancing arbor and very c or

fill and drain holes are sealed by two screws on

centricity and squareness between arbor an

propeller mounting surfaces. They are of high-allo

opposite sides of the arbor near the upper end.

steel. heat treated to a high degree of har

est

Degree of oscillation damping may be regulated by

preclude wear of piloting surfaces, an

raising or lowering the dash-pot oil level or by using

oil of higher or lower viscosity.

plated on nonpiloting surfaces to mini

1-15. Adapter Cones and Bushings. (See figure 1-

possibility of corrosion. Setscrews are provided for

13.) Precise piloting of assemblies to be balance

locking cones and bushings in position on th

checked to insure that their axis of rotation

balancing arbor when desired.

coincides with the center-line of the balancing

Key to figure 1-13:

1. Stand table assembly

16. Storage. carrying. and

work support case (2272)

(2291)

17. SAE 20, 30, 40, 50 and

2. Tube (2288) long, 2-7/8-

51 spline rear cones

inch diameter, with legs

(2223. 2205, 2207, and

( 2 8 ) (P/N 2364) stored

2228)

inside tube

18. Flange type 1, 2, 3, and 4

3. Pin-hoist support (2285)

rear bushing (2210)

4. Elbow (2284-1)

I O . Work stand stub leg

5. Elbow (2284-2)

support

6. Stand leg extensions

20. S p a c e r s ( 2 2 0 1 , 2 2 0 2 ,

(2365)

2203 and 2204)

7. Stub leg (2366)

21. S A E 2 0 s p l i n e f r o n t

8. 1/8-Inch hex wrench

bushing (2211)

9 . Tube (2287) 2-7/8-inch

22. SAE 20, 30, 40, 50 and

dia. Normally

stored

51 s p l i n e f r o n t c o n e s

inside tube (29) (part no.

(2224, 2206. 2208. and

2286) 3-inch dia.

2227)

10. Quick-disconnect coupling

23. Balancing arbor (2259)

(2266)

24. Packing layout

11. "Quickie" Coupling

25. Flanged type 1,2,3, and 4

(2260-1)

front plate (2209)

12. Alternate hoist eye

26. Hand wheel (2215)

assembly (2261)

27 . S a f e t y s p r i n g a r b o r

13.

3/16-Inch

suspension

retaining

cable (2264)

28. Stand leg assemblie

suspension

14.

1/16-Inch

(2364)

cable (2262)

29. Tube (2286) 3-inch dia.

15. Hydraulic pump assembly

(2282)

1-16