GENERAL SUPPORT MAINTENANCE PROCEDURES
This section contains procedures for repairing the bath unit
that involve welding , cleaning, and painting assemblies of the bath unit.
Before welding any assembly of the bath unit, the welder
must be certified as a welder of ferrous metals, aluminum, and stainless steel.
The certification is based on ASME Boiler and Pressure Vessel Code, Section IX,
and meets or exceeds the intent of the following military specifications and
Assemblies of the bath unit that require general support
maintenance are made up of three types of material; which are:
aluminum, and wood.
Repair of assemblies containing these types of material
require separate processes and procedures for welding, cleaning and painting.
Use these procedures to make the repairs.
Components Made of Steel.
These procedures provide instructions for
repairing all assemblies of the bath unit made of steel.
Fuel line holder
Filter mounting bracket
Drum fill adapter extension
Transformer mounting plate
Smoke pipe elbow assembly
Control box and control box cover
Smoke pipe cap and guard
Before welding, throughly clean surface to be welded.
Do not use
solvent for cleaning.
Remove all burrs and sharp edges.
Weld damaged area per MIL-W-52574 (ME) Type I.
(a) Weld rods shall conform to Federal Specifications, E-15599,
Class SA 233, 3/32-inch diameter.
(b) Power source can be ac or dc reverse polarity, 30 to 80
(c) Penetration shall be full, at 14 inches (36cm)/minute
(d) Preheat material to be welded to 50°F(10°C).
(e) Avoid starts and stops when welding. Chip slag and restarts.
Inspect all weld joints for conformance with specification details
and for surface uniformity.