C18 Marine Engine Caterpillar


Crankshaft Vibration Damper - Inspect

Usage:

C18 DTP
Kerusakan pada peredam getaran crankshaft atau tidak berfungsinya peredam getaran crankshaft dapat meningkatkan getaran torsional. Hal ini dapat mengakibatkan kerusakan pada crankshaft dan komponen engine lainnya. Penurunan kualitas peredam dapat menyebabkan kebisingan yang berlebihan pada rangkaian roda gigi di berbagai kisaran kecepatan.

Peredam dipasang pada crankshaft yang terletak di belakang pelindung sabuk di bagian depan engine. Peredam pada engine mungkin terlihat seperti salah satu dari peredam berikut.



Ilustrasi 1g01134779
Peredam getaran viskos tunggal
(1 ) Puli Crankshaft
(2 ) Berat
(3 ) Selubung


Ilustrasi 2g03252137
Peredam getaran viskos ganda
(1 ) Puli Crankshaft
(2 ) Berat
(3 ) Kotak

Pemeriksaan

Periksa peredam terhadap kondisi berikut:

  • Peredam mengalami penyok, retak, atau cairan bocor dari peredam.

  • Cat pada peredam telah berubah warna akibat panas berlebih.

  • Peredam telah bengkok.

  • Lubang baut telah aus atau baut telah longgar dan tidak bisa dikencangkan kembali.

  • Crankshaft engine mengalami kegagalan akibat gaya torsional.

Ganti peredam jika kondisi tersebut terjadi.

Pelepasan dan Pemasangan

Rujuk ke Buku Petunjuk Pengoperasian dan Perawatan, "Sabuk - Inspeksi/Penyetelan/Penggantian" untuk mendapatkan informasi mengenai pelepasan dan pemasangan sabuk. Rujuk ke Pembongkaran dan Perakitan, "Peredam Getaran dan Puli - Pelepasan dan Pemasangan" untuk informasi mengenai pelepasan dan pemasangan peredam.

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