PT PERTAMINA (PERSERO) Lubricating Unit of Cilacap
produces almost the PERTAMINA’s lubricant. The products
cover the requirement of customer need from automotive
and industrial. The main process is filling lubriating
oil to the bottle and it process is in Lithos Department.
By the observation the writer identify the defects, they
are test induction sealer, no aluminum foil, un sticky
aluminum foil, damaged cap, bottle & cap not equal,
oblique cap, broken bridge cap, and empty bottle & micro
hole. Because of product competitions, the defects become
the company concern.
This research use Seven-Step Method based to reduce
the defects. The improvement suggestion covers man,
material, inventory, and material inspection.
By the end of research, the most significant defect
product of lubricant in PT PERTAMINA (PERSERO)
Lubricating Unit of Cilacap is no aluminum foil
nonconformity and oblique cap nonconformity. The sources
or factors that cause the defect are materials and man.
The implementation conducted in August, 2009 and the
result is decreasing the nonconformities of defect
product.