The benefits of the assessment will gains through the implementing of lean technique to the company. The
benefits that gain in this study were reduced the lead time, reduced manpower usage, and balanced the
workload. Based on the calculations shown in Table 1, the lead time reduction is about 39.9%. Meanwhile, there
was also reduction in manpower usage as shown in Table 2. The total operators were reduced from 7 operators
to 3 operators. By implementing Yamazumi Board Technique, workload is balanced within the takt time. These
will avoid long idle time and improved the manufacturing efficiency. Figure 3 and Figure 4 show the workload
balancing for cell 1 and cell 2.