773E Off-Highway Truck Caterpillar


Belts - Inspect/Adjust/Replace

Usage:

773E DJS

Pemeriksaan

Untuk memaksimalkan kinerja engine, periksa keausan dan keretakan pada sabuk. Periksa tegangan sabuk. Setel tegangan sabuk untuk meminimalkan selip sabuk. Keselipan sabuk akan mengurangi umur pemakaian sabuk.

Untuk memeriksa tegangan sabuk pada Engine, rujuk ke Spesifikasi, "Tabel Tegangan Sabuk". Sabuk yang disetel dengan benar akan terdefleksi 13 mm (0.50 in) hingga 19 mm (0.75 in).

Catatan: Tegangan sabuk untuk kipas engine diatur oleh pegas. Sabuk penggerak kipas tidak dapat disetel. Jika sabuk penggerak kipas kendur, lihat Lampiran Engine Pembongkaran dan Perakitan, "Penggerak Kipas - Pelepasan" untuk petunjuk penggantian pegas. Jika sabuk penggerak kipas retak atau aus, rujuk ke Lampiran Engine Pembongkaran dan Perakitan, "Penggerak Kipas - Pemasangan" untuk informasi penggantian.

Sabuk Penggerak Kipas

Alat berat ini dilengkapi dengan unit sabuk-V yang menggerakkan kipas radiator.



Ilustrasi 1g06086555

  1. Periksa sabuk penggerak kipas melalui area yang tidak terhalang oleh pengaman sabuk. Jangan lepaskan pengaman sabuk untuk pemeriksaan. Untuk tujuan referensi, pengaman sabuk tidak ditampilkan pada gambar.

  2. Periksa sabuk V (1) terhadap kondisi berikut: retak, aus, meregang, area berjumbai, dan bagian yang hilang.

Penyetelan

Alternator



    Ilustrasi 2g06086558
    (2) mur penyetelan
    (3) Baut pemasangan

  1. Bila perlu, lepaskan pelindung sabuk.

  2. Longgarkan baut pemasangan (3) dan mur penyetelan (1).

  3. Putar mur penyetelan (2) untuk meningkatkan atau mengurangi tegangan sabuk.

  4. Kencangkan mur penyetelan (2). Kencangkan baut pemasangan (3).

  5. Bila perlu, pasang ulang pelindung sabuk.

Kompresor Refrigerant



Ilustrasi 3g06102735

  1. Longgarkan dua baut (4).

  2. Longgarkan mur (5).

  3. Gunakan mur (6) untuk menyesuaikan tegangan sabuk.

  4. Kencangkan mur (5) dan mur (6).

  5. Kencangkan baut (4).

Penggantian

Untuk aplikasi yang memerlukan beberapa sabuk penggerak, ganti sabuk dalam satu kesatuan yang lengkap. Mengganti hanya salah satu sabuk dari set lengkap yang sesuai akan menyebabkan sabuk baru menahan beban yang lebih besar karena sabuk lama telah meregang. Beban tambahan pada sabuk baru bisa menyebabkan sabuk baru putus.

Rujuk ke Lampiran Engine Pembongkaran dan Perakitan, "Penggerak Kipas - Pelepasan" dan Lampiran Engine Pembongkaran dan Perakitan, "Penggerak Kipas - Pemasangan" untuk informasi lebih lanjut mengenai penggantian sabuk.

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