UFC 3-410-04N 25 October 2004 Figure 4-7. MK-48 afterbody teardown hood.
4-3.2.2 MK-48 Workbench Hood. After defueling and decoupling, personnel 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.
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