5-9. REPAIR BEARING PLATE, SWIVEL
TOOLS: Tool kit, general mechanics
TM 10-8110-202-13 & P
PLATE, CLOSURE RING, AND CLOSURE PLATE
MATERlALS/PARTS: Chemical conversion coating, MlL-C-5581 (Item 5, Appendix F)
Cloth, abrasive, 400 grit (Item 6, Appendix F)
Enamel, alkyd (Item 8, Appendix F)
Methyl ethyl ketone (MEK) (Item 10, Appendix F)
GENERAL SAFETY INSTRUCTIONS:
PRELIMINARY CONDITION: Drum disassembled (para 5-4).
1. Remove raised metal and blend
procedures apply to all parts covered in this
in depressions as follows:
a. Use 400 grit abrasive cloth to remove raised metal or blend in depressions. Smoothness of
repaired surface shalI equal undamaged areas of same functional surface.
Methyl ethyl ketone (MEK) used for cleaning drum body
repair areas is extremely flammable and is potentially dan-
gerous to personnel and property. Keep container closed.
Use in a well-ventilated area as the fumes are dangerous if
inhaled. Avoid repeated and prolonged skin contact. Flash
point of MEK is 24° F (4.4°C).
b. Clean repaired surface using MEK.
c. Coat repaired surface with chemical conversion coating.
2. Remove corrosion as follows:
a. Remove corrosion with wire brush.
b. Clean surface with MEK.
c. Coat repaired surfaces with chemical conversion coating.
3. Touch up painted surfaces as follows:
Touch up repaired or damaged painted surfaces using alkyd enamel per Fed. Spec. TT-E-527,
color number 30277, and a brush.