TM 5-1940-321-13&P
Figure 5-5. Cleaning Male Portion of Intercommunicating Valve.
( 8 ) Clean the female valve body Figure 5-4, item 15, which remains in the
buoyancy tube. Use a towel dampened with toluene to remove all grease and
dirt. The lower portion can be cleaned by using a brush and a screwdriver
wrapped with shop towels and dampened with toluene.
( 9 ) Inspect the outer surface of the male portion and the inner surface of the
female portion of the valve. The surface should be free of scratches and
grooves. If scratches and grooves are present, then the valve must be
reground. Refer to paragraph 7-18b.
( 10 ) Remove the diaphragm (item 5) by gripping the large end and pulling it out of
the valve insert. Inspect and clean the diaphragm. Clean the diaphragm by
rubbing it between your finger and thumb to remove any dirt. Inspect the
diaphragm for cracks or other indications of deterioration. Lightly stretching the
diaphragm while visually inspecting it will reveal any cuts, small holes, or
cracks. The neoprene diaphragm in the valve insert should be replaced with a
new diaphragm if inspection reveals it is damaged. Diaphragms can be
reinstalled if in good condition.
5-18
