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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN)
Veny Selviyanty
Universitas Ekasakti
Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis Kerusakan Hydraulic Cylinder Bucket Excavator Caterpillar Cat 336 E L Aditya Ferira; Muknizar Muknizar; Zulkarnain Zulkarnain; Risal Abu; Veny Selviyanty
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.62330

Abstract

An excavator (specifically a pull-shovel) is a machine designed to excavate material located below its own operating level. Hydraulic cylinders are critical components that actuate attachments such as the boom, arm, and bucket. Among these attachments, the bucket cylinder is the most prone to failure because it interacts directly with the material being excavated. Frequent failures lead to increased downtime and disrupt production processes. The primary causes of bucket cylinder failure in the Caterpillar Cat 336 EL excavator are seal and O-ring damage, as well as oil contamination, both of which result in cylinder leakage. Maintenance measures taken to address these failures include: (i) replacing the seal kit on the cylinder head and piston to prevent pressure loss; (ii) inspecting the internal brass bushing—if the bushing is worn or damaged (which can cause new seals to leak), it must be replaced; and (iii) cleaning the cylinder and rectifying issues related to oil contamination. 
Perencanaan Mesin Pencacah Sampah Plastik Tipe Crusher Kapasitas 12 Kg/Jam Nur Nasrah; Mukhnizar Mukhnizar; Veny Selviyanty
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.62469

Abstract

Sikapak Barat Village, located in the North Pariaman District of Pariaman City, generates a significant amount of household plastic waste—averaging 50 kg per day. Much of this waste remains unprocessed and relies on waste collection systems, creating a risk of accumulation and environmental pollution in residential and coastal areas. This situation highlights the need for simple, appropriate technology that can be directly implemented by the village community. A plastic waste shredder is a mechanical device designed to cut and break down plastic into specific sizes; the "crusher" type is one of the most commonly used varieties. A crusher-type plastic waste shredder with a capacity of 12 kg/hour has been successfully designed and built according to specifications. The machine operates exactly as planned, and testing confirms that it functions as intended, achieving a shredding capacity of 12 kg/hour.
Co-Authors Aditya Ferira Mukhnizar Muknizar Muknizar Nur Nasrah Risal Abu Zulkarnain Zulkarnain