Project’s Detail

DESKRIPSI TUGAS AKHIR :
ANALISIS KERUSAKAN REAR VIBRATION DAMPER PADA ENGINE SAA6D170E-5 KOMATSU DI PT. KARUNIA TUNGGAL LESTARI
Abstrak (Abstracts)
Rear vibration damper on engine HD465-7R uses type of rubber vibration damper which is using the rubber cushion for absorbing the engine twisting vibration and it also uses for increasing reliability and durability from the component of power train. Heavy equipment unit like dump truck HD465-7R, component of rear vibration damper is totally important, because if damper has the trouble that things also could makes low production for the mining. One problem that always happened for the rear vibration damper is pushed the damper shaft to the engine front side when assembling process. The reason for the damper shaft pushed is because of doing the wrong assembling method of rear vibration damper. eventually, it increases the possibility of pilot bearing pushes the damper shaft to the front engine side and makes the abnormal wear on inner parts like thrust bearing and crankshaft. This research uses eight steps of troubleshooting with the goal to looking for the causes of trouble on rear vibration damper. Found the values from the field observe like the inner parts components of engine HD465-7R is abnormal wear. From the documentation photos of checking oil from the oil pan and oil filter has founded many pieces of copper material. Any effort of improving is doing improve for the assembling method of rear vibration damper, adding the critical point and adding the important note on the work instruction of rear vibration damper. Rear vibration damper pada engine HD465-7R menggunakan tipe rubber vibration damper yang menggunakan rubber cushion guna meredam getaran-getaran puntir dan juga berfungsi untuk meningkatkan keandalan dan ketahanan dari komponen-komponen power train. Pada unit alat berat seperti dump truck HD465-7R, komponen rear vibration damper sangat penting, karena jika mengalami masalah pada rear vibration damper maka dapat menurunkan produksi. Salah satu masalah yang terjadi pada rear vibration damper adalah terdorongnya damper shaft ke arah depan engine. Penyebab terdorongnya damper shaft dikarenakan adanya kesalahan metode dalam melakukan pemasangan rear vibration damper sehingga meningkatkan kemungkinan pilot bearing mendorong damper shaft ke arah depan engine sehingga mengakibatkan keausan yang tidak normal pada komponen dalam yaitu thrust bearing dan crankshaft. Penelitian ini menggunakan 8 step troubleshooting dengan tujuan guna mengetahui penyebab terjadinya masalah pada rear vibration damper. Didapati hasil dari observasi lapangan ditemukan komponen inner dari engine HD465-7R mengalami keausan yang tidak normal. Dari foto dokumentasi hasil pemeriksaan oli pada oil pan dan oil filter ditemukan banyak sekali ditemukan gram berbahan dasar kuningan. Upaya perbaikan yang dilakukan adalah melakukan improve pada metode pemasangan rear vibration damper serta menambahkan critical poin dan catatan penting pada work instruction

Keyword : HD465-7R, rear vibration damper, thrust bearing

Nilai Properti
: STEVANY AUDRY HARGONO, : 912019067, : Politeknik Negeri Balikpapan, : TEKNIK MESIN, : 2022, : Indonesia, : Tugas Akhir, : Prepustakaan Poltekba,

 

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Pembimbing
Yudi Kurniawan, S.T., M.T.

E-mail :yudi.kurniawan@poltekba.ac.id

www.poltekba.ac.id
Basri Dahlan, S.Ag., M.Pd.I.

E-mail :basri.dahlan@poltekba.ac.id

www.poltekba.ac.id
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