TM 55-1925-282-14&P
0020 00
! CAUTION
Take care not to scratch or nick the ball in any way, or leaks could occur in the repaired
valve.
6. Turn the stem (figure 1, item 11), to position the ball (figure 1, item 10), to the CLOSED position, and remove
the ball from the valve body (figure 1, item 6).
1
16
12
15
11
14
13
15
16
5
5
17
4
2
9
3
6
8
8
7
7
9
10
Figure 1. Sil Braze Ball Valve
7. Unscrew and remove the locking jam nut (figure 1, item 12) from the handle (figure 1, item 1), and remove
the handle. Discard the jam nut (figure 1, item 12).
8. Remove the three spring washers (figure 1, item 13), stop disk (figure 1, item 14), and followers (figure 1,
item 15) from the stem (figure 1, item 11). Discard the spring washers (figure 1, item 13).
9. Push the stem (figure 1, item 11) down and out of the open end of the valve body (figure 1, item 6).
10. Remove the upper and lower valve packing (figure 1, item 16) and discard.
11. Examine the parts of the valve for damage and wear, and clean all parts using clean water and wiping rags.
ASSEMBLY
1. Place the new bottom packing (figure 1, item 16) over the stem (figure 1, item 11) with the flanged surface
seated against the flange on the stem.
2. Insert the stem (figure 1, item 11) into the valve body (figure 1, item 6) bore.
3. Install the new upper packing (figure 1, item 16) over the stem (figure 1, item 11) with the flanged surface
facing upward, and push the packing into the valve body (figure 1, item 6) counter bore.
0020 00-2
