Implement a preventive maintenance strategy

Oct 13, 2025 by wbrum.org 55 views

Introduction

In today's competitive business environment, companies are constantly seeking ways to optimize their operations and reduce costs. One area where companies can make significant improvements is in their maintenance strategies. PTPN IV Dolok Ilir, a company that operates in the palm oil industry, is no exception. The company faces serious problems related to high engine maintenance costs, which can be detrimental to its operations. To overcome this problem, this study applies the approach of Reliability Engineering and Maintenance Value Stream Mapping (MVSM) to design effective and efficient maintenance strategies.

Background of the Study

PTPN IV Dolok Ilir is a company that operates in the palm oil industry, and its main objective is to produce high-quality palm oil products. However, the company faces serious problems related to high engine maintenance costs. The corrective maintenance system implemented so far without considering the reliability factor of machine components, causing sudden damage that is detrimental to the company. This study aims to apply the approach of Reliability Engineering and Maintenance Value Stream Mapping (MVSM) to design effective and efficient maintenance strategies for the company.

Methodology

This study is focused on the sludge separator machine, which is a critical component of the company's operations. The data used in this study include a history of damage, component replacement time, purchase price, labor costs, and repair time. By analyzing damage data, researchers determine the distribution of damage, reliability, MTTF (mean time to failure), failure costs, and preventive maintenance costs. The results of this analysis are then used to determine the optimal replacement time interval for each critical component, with the aim of minimizing maintenance costs and increasing engine reliability.

Results

The results of this study show that the optimal component replacement time was obtained, namely:

*** Thrush Ball Bearing : 174 hours with a reliability value of 0.3701 *** Discharge Nozzle : 398 hours with a reliability value of 0.3722 *** Sleeve : 261 hours with a reliability value of 0.5021 *** Worm Wheel : 433 hours with a reliability value of 0.5033 *** Paring Disc : 420 hours with a reliability value of 0.3754

By implementing a preventive maintenance strategy based on this optimal time interval, research shows a significant reduction in maintenance costs, from Rp 716,601,999 to Rp 9,664,813. Treatment efficiency also increases with the value of maintenance efficiency which reaches:

*** Thrush Ball Bearing : 66.67% *** Discharge Nozzle : 62.5% *** Sleeve : 58.82% *** Worm Wheel : 62.5% *** Paring Disc : 63.16%

Discussion

The results of this study show that the application of Reliability Engineering and Maintenance Value Stream Mapping (MVSM) at PTPN IV Dolok Ilir is effective in increasing engine reliability and reducing maintenance costs. The study also produced a structured standard operation procedure (SOP) for the maintenance of the sludge separator machine. This SOP is a guideline for the maintenance team in running a designed preventive maintenance program.

Conclusion

This study demonstrates the effectiveness of Reliability Engineering and Maintenance Value Stream Mapping (MVSM) in planning and calculating the cost of engine maintenance at PTPN IV Dolok Ilir. The results of this study can be a reference for other companies in implementing optimal and efficient maintenance strategies. The study also highlights the importance of considering the reliability factor of machine components in maintenance strategies.

Recommendations

Based on the results of this study, the following recommendations are made:

Implement a preventive maintenance strategy: The study shows that a preventive maintenance strategy based on the optimal replacement time interval can significantly reduce maintenance costs and increase treatment efficiency.
Develop a structured SOP: The study produced a structured SOP for the maintenance of the sludge separator machine, which can be used as a guideline for the maintenance team.
Consider the reliability factor of machine components: The study highlights the importance of considering the reliability factor of machine components in maintenance strategies.

Limitations of the Study

This study has several limitations, including:

Limited data: The study used a limited dataset, which may not be representative of the company's operations.
Simplified analysis: The study used a simplified analysis of the data, which may not capture the complexities of the company's operations.
Limited scope: The study focused on a single machine, which may not be representative of the company's operations as a whole.

Future Research Directions

This study provides several opportunities for future research, including:

Extending the study to other machines: The study focused on a single machine, and future research can extend the study to other machines in the company.
Using more advanced analysis techniques: The study used a simplified analysis of the data, and future research can use more advanced analysis techniques to capture the complexities of the company's operations.
Developing a more comprehensive maintenance strategy: The study developed a preventive maintenance strategy based on the optimal replacement time interval, and future research can develop a more comprehensive maintenance strategy that takes into account other factors, such as maintenance scheduling and resource allocation.

Q: What is the main objective of this study?

A: The main objective of this study is to apply the approach of Reliability Engineering and Maintenance Value Stream Mapping (MVSM) to design effective and efficient maintenance strategies for PTPN IV Dolok Ilir.

Q: What are the benefits of using Reliability Engineering and MVSM in maintenance planning?

A: The benefits of using Reliability Engineering and MVSM in maintenance planning include:

Reduced maintenance costs: By identifying critical components and determining the optimal replacement time interval, maintenance costs can be significantly reduced.
Increased engine reliability: By implementing a preventive maintenance strategy, engine reliability can be increased, reducing the risk of sudden damage and downtime.
Improved maintenance efficiency: By streamlining maintenance processes and reducing the time spent on maintenance activities, maintenance efficiency can be improved.

Q: What are the key components of the sludge separator machine that were analyzed in this study?

A: The key components of the sludge separator machine that were analyzed in this study include:

Thrush Ball Bearing
Discharge Nozzle
Sleeve
Worm Wheel
Paring Disc

Q: What were the results of the analysis of the damage data?

A: The results of the analysis of the damage data showed that the optimal component replacement time was obtained, namely:

Q: What were the results of the implementation of the preventive maintenance strategy?

A: The results of the implementation of the preventive maintenance strategy showed a significant reduction in maintenance costs, from Rp 716,601,999 to Rp 9,664,813. Treatment efficiency also increased with the value of maintenance efficiency which reaches:

*** Thrush Ball Bearing : 66.67% *** Discharge Nozzle : 62.5% *** Sleeve : 58.82% *** Worm Wheel : 62.5% *** Paring Disc : 63.16%

Q: What are the limitations of this study?

A: The limitations of this study include:

Limited data: The study used a limited dataset, which may not be representative of the company's operations.
Simplified analysis: The study used a simplified analysis of the data, which may not capture the complexities of the company's operations.
Limited scope: The study focused on a single machine, which may not be representative of the company's operations as a whole.

Q: What are the future research directions for this study?

A: The future research directions for this study include:

Extending the study to other machines: The study focused on a single machine, and future research can extend the study to other machines in the company.
Using more advanced analysis techniques: The study used a simplified analysis of the data, and future research can use more advanced analysis techniques to capture the complexities of the company's operations.
Developing a more comprehensive maintenance strategy: The study developed a preventive maintenance strategy based on the optimal replacement time interval, and future research can develop a more comprehensive maintenance strategy that takes into account other factors, such as maintenance scheduling and resource allocation.

Q: What are the implications of this study for PTPN IV Dolok Ilir?

A: The implications of this study for PTPN IV Dolok Ilir include:

Reduced maintenance costs: By implementing a preventive maintenance strategy, maintenance costs can be significantly reduced.
Increased engine reliability: By implementing a preventive maintenance strategy, engine reliability can be increased, reducing the risk of sudden damage and downtime.
Improved maintenance efficiency: By streamlining maintenance processes and reducing the time spent on maintenance activities, maintenance efficiency can be improved.

Q: What are the implications of this study for other companies?

A: The implications of this study for other companies include:

Reduced maintenance costs: By implementing a preventive maintenance strategy, maintenance costs can be significantly reduced.
Increased engine reliability: By implementing a preventive maintenance strategy, engine reliability can be increased, reducing the risk of sudden damage and downtime.
Improved maintenance efficiency: By streamlining maintenance processes and reducing the time spent on maintenance activities, maintenance efficiency can be improved.

Q: What are the next steps for PTPN IV Dolok Ilir?

A: The next steps for PTPN IV Dolok Ilir include:

Implementing the preventive maintenance strategy: PTPN IV Dolok Ilir should implement the preventive maintenance strategy based on the optimal replacement time interval.
Monitoring and evaluating the results: PTPN IV Dolok Ilir should monitor and evaluate the results of the implementation of the preventive maintenance strategy.
Continuously improving the maintenance strategy: PTPN IV Dolok Ilir should continuously improve the maintenance strategy by incorporating new technologies and best practices.