TM 10-4630-207-13&P
0022 00
2. Loosen but do not remove six wing nut assemblies (figure 1, item 1) on the rear manway (figure 1,
item 2).
3. Work manway (figure 1, item 2) free of the rim (figure 1, item 3).
4. When manway is free of the rim, move wing nut assemblies off the cover (figure 1, item 1). Swing it
open and secure with chain (figure 1, item 4).
4
1
3
2
Figure 1. Opening Manway to Change Gasket
5. Rinse with fresh water and steam clean manway (figure 2, item 1).
6. Pry the gasket (figure 2, item 2) from the groove and remove it.
7. Clean out the groove of gasket remnants and wipe clean with rag.
8. Cut a 40-inch length of gasket and place it into the groove. Make sure it is firmly seated around the
cover.
9. Unhook chain (figure 2, item 3) and close manway. Place swing bolt assemblies (figure 2, item 4)
onto cover and tighten in a star pattern.
2
4
3
1
0022 00-2
