Fitridiansyah, Muhammad Rizki (2026) ANALISIS MAINTENANCE LADGER SEBAGAI PENERAPAN PERIODIC REPLACMENT UNTUK REDUCE BREAKDOWN PADA MESIN PACKING DI PT PCI. Undergraduate thesis, UPN "Veteran" Jawa Timur.
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Abstract
The high frequency of breakdowns on the Easyline Packing machine at PT PCI has led to increased downtime and decreased production efficiency because the maintenance system is still corrective maintenance. Based on maintenance ledger data for the period January–December 2025, 30 breakdowns were recorded with a total downtime of 926 minutes. The components with the highest rate of failure were the pusher with 7 occurrences with a total downtime of 206 minutes and the lifting with 6 occurrences with a total downtime of 121 minutes, thus categorized as critical components. This study aims to determine the optimal component replacement interval using the periodic replacement method based on maintenance ledger data. The results show that the damage pattern follows an exponential distribution with a relatively constant failure rate. The application of periodic replacement before reaching the MTTF value has been proven to reduce the frequency of breakdowns, reduce unplanned downtime, and increase machine reliability compared to the corrective maintenance method. In addition, the implementation of a structured maintenance ledger helps the company identify breakdown patterns, determine critical components, and compile component replacement schedules more systematically and based on historical data. Thus, the integration of maintenance ledger and periodic replacement is effective in improving the reliability of packing machines and maintaining the stability of the production process at PT PCI.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > T Technology (General) > T55.4-60.8 Industrial engineering. Management engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Industrial Engineering | ||||||||
| Depositing User: | Muhammad Rizki Fitridiansyah | ||||||||
| Date Deposited: | 29 May 2026 06:28 | ||||||||
| Last Modified: | 29 May 2026 06:29 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/53094 |
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