TM 5-4610-223-12
1.
Handwheel
9.
Orifice plug
2.
Pin, headless, 1/16 x
10.
Nipple, aluminum, pipe, 1 x
x 7/8 in. (2 reqd)
8 3/4 in.
3.
Pin, headless, 1/8 x
11.
Block
7/8 in. (2 reqd)
12.
Bracket
4.
Rod, threaded, 3/8-24
13.
Nut, hex, jam, 3/8-24 in.
5.
Handwheel
14.
Orifice plug
6.
Rod, threaded, 1/4-28
15.
Capscrew, 1/4-20 x 3/8 in.
x 6-1/2 in.
(2 reqd)
7.
Jamnut, 1/4-28
16.
Lockwasher, 1/4 in. (2 reqd)
8.
Nut, hex, 1/4-28 in.
Figure 4-68. Sludge Concentrator Tank Valves and Drawoff Piping, Exploded View.
(6)
Unscrew aluminum pipe nipple (10) from block (11).
d.
Inspect.
(1)
Inspect pins and pin holes in rods and handwheels for wear.
(2)
Inspect orifice plugs for cracks and pitted seating surfaces.
(3)
Inspect block (11, fig. 4-68) for cracks and worn or pitted orifice plug seating surface.
(4)
Inspect all threaded parts for damage.
e.
Replace. Replace all unserviceable parts.
f.
Reassembly.
(1)
Screw handwheel (1, fig. 4-68) on rod (4) and secure with pin (2).
4-144