Grind all welded seams smooth.
Hydrostatically test water tank at pressure of 75 psi(517kPa).
After welding on
are installed on
(a) Plug all
water vessel assembly and before nipples
manifold, proceed as follows:
ports except one.
(b) Pour five gallons silicone alkyd heat resistant paint in
open port and cap port.
(c) Rotate water vessel to allow paint to cover area adjacent to
(d) Drain paint from water vessel and let paint in water vessel
(e) Repeat steps (c) and (d).
Clean all exposed metal surfaces (item 21, Appendix).
Apply one coat of primer (item 16, Appendix E).
Apply finish coat (item 17,
Appendix E), per FED STD 595.
Components Made of Aluminum.
repairing all assemblies of the bath unit made
provide instructions for
Water heater skid
Shower leg holder bracket
Water pump frame
Shower stand leg
Suction strainer assembly
Shower stand soap dish
Before welding, thoroughly clean surface to be welded by
brushing with stainless steel wire brush.
Weld damaged area per MIL-W-45206A (MR) Class B.
(a) Weld rods shall conform to AWS AS, 10-61T Federal
Specification QQ-R-566A Class 4043, 3/32-inch diameter.
(b) Power source shall be ac, 25 to 115 amperes.
(c) Use Argone Inert Shielding gas at 20 cubic feet per hour,
using 3/8 inch gas cup and short arc to ensure good gas
(d) Penetration shall be full, at 10 inches (25 cm) per.
minute welding rate.
(e) Preheat material to be welded to 50°F (lO°C).