C27 and C32 Engines for Caterpillar Built Machines Caterpillar


Mechanical Noise (Knock) in Engine

Usage:

854K 221
Kemungkinan akar masalah tercantum di bawah ini:

  • Aksesori rusak

  • Kerusakan pada komponen rangkaian katup

  • Kegagalan pada bearing connecting rod

  • Bearing crankshaft

Lakukan pemeriksaan berikut:

  1. Isolasikan sumber bunyi berisik. Lepaskan aksesori engine yang dicurigai. Periksa aksesori engine yang dicurigai. Perbaiki aksesori engine dan/atau ganti aksesori engine.

  2. Lepaskan penutup katup dari silinder yang dicurigai. Periksa item berikut terhadap kerusakan: camshaft, koil rotor katup, pegas katup, roller follower (rocker arm), poros ayun, jembatan dan injektor. Periksa katup yang tidak bergerak bebas. Lepaskan cylinder head dan periksa katup. Ganti komponen yang rusak. Jika terjadi kerusakan, pastikan komponen berikut bebas dari kontaminasi: liner silinder, piston dan sistem buang. Ganti komponen yang rusak.

  3. Periksa bearing connecting rod dan permukaan bearing (jurnal) di crankshaft. Periksa apakah ada keausan berlebih pada pin piston. Ganti komponen yang rusak.

  4. Periksa apakah ada keausan berlebih pada jurnal utama crankshaft dan bearing jurnal utama. Ganti komponen yang rusak.

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