UFC 3-410-04N
25 October 2004
Figure 4-7. MK-48 afterbody teardown hood.
4-3.2.2
dismantle and inspect the fuel tank and the engine section. They then load components
of the fuel tank and the engine section into the parts washer. Design a backdraft
exhaust hood as illustrated in Figure 4-8 to control contaminants generated by these
workbench operations. Specify the following criteria for workbench hoods:
a. A 1850- x 600-mm (72- by 24-in) stainless steel workbench top to
support the whole exhaust hood. See Figure 4-8 for dimensions of the
hoods.
b. A 76-mm (3-in) airfoil rotated inward to prevent turbulence and
backflow.
c. Lighting that is vented and flush mounted in the top of the exhaust
hood.
4-3.2.3
MK-48 Parts Washer Hood. Design or modify the parts washers as
shown on Figure 4-9. Specify the following criteria for the parts washers:
a.
Fabricate a new enclosure to mount on top of the parts washer.
b. Relocate the cover with a pneumatic plunger and a fusible link
assembly.
4-7
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