Figure 3.59 shows an exploded view of a diaphragm assembly from a gas flow meter. Determine a suitable assembly sequence for this product and carry out an analysis for manual assembly. Estimate the assembly time, together with the design efficiency. Develop a redesign for this assembly with a reduced part count and reduced assembly time. Estimate the assembly time and design efficiency for manual assembly of the redesigned assembly.

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1-screw (2) (mild steel) 8 16 2-bearing housing (mild steel) 14 48 10 3 plate (spring steel) 60 T1.5 12 4-washer (2) (mild steel) 1.5 8 5-nut (2) (mild steel) 00 1-screw (2) (mild steel) 8 16 2-bearing housing (mild steel) 14 48 10 3 plate (spring steel) 60 T1.5 12 4-washer (2) (mild steel) 1.5 8 5-nut (2) (mild steel) 00