424D, 428D and 438D Backhoe Loaders Caterpillar


Belts - Inspect/Adjust/Replace

Usage:

424D BGP
Jika yang dipasang adalah V-belt (sabuk) baru, periksalah penyetelan V-belt setelah machine beroperasi selama 30 menit. Untuk penggunaan V-belt yang multiple, gantilah selalu V-belt dalam satu set. Penggantian yang hanya dilakukan pada salah satu V-belt dari satu set yang ada, akan menyebabkan V-belt baru menerima beban lebih dikarenakan V-belt lama sudah mulur. Tambahan beban pada V-belt baru dapat menyebabkan V-belt baru mengalami putus.

  1. Kosongkan bucket. Lepaskan pin yang mengunci penahan loader lift arm. Angkat loader arm hingga tinggi maksimum.

  1. Letakkan posisi penahan loader lift arm pada lift cylinder rod kiri dengan bagian ujung brace bertemu cylinder end.

  1. Dorong pin masuk ke lubang yang terdapat pada penahan loader lift arm dan kemudian pasang cotter pin.

  1. Dengan perlahan-lahan turunkan loader arm hingga penahan loader lift arm kontak ke bagian atas lift cylinder dan bosses pada loader arm.

  1. Matikan engine untuk memeriksa V-belt.



    Ilustrasi 1g00751273

  1. Buka panel akses engine di sebelah kiri machine.



    Ilustrasi 2g00287234

  1. Periksa kondisi belt AC dan lakukan penyetelan belt AC. Belt AC harus melengkung sejauh 10 mm (0,38 inci) dengan gaya tekan sebesar 110 N (25 lb) .



    Ilustrasi 3g00287235

  1. Kendorkan locknut penyetel (2). Kendorkan baut mounting untuk compressor bracket (2) .

  1. Gerakkan compressor hingga kekencangan sabuk yang benar dicapai.

  1. Kencangkan locknut penyetel (2). Kencangkan baut mounting untuk compressor bracket (1) .

  1. Periksa ulang kelengkungan belt. Jika besarnya kelengkungan belum tepat, ulangi Langkah 8 hingga Langkah 10.

  1. Pasang panel akses engine di sebelah kiri machine.

  1. Buka panel akses engine di sebelah kanan machine.



    Ilustrasi 4g00287242

  1. Periksa kondisi belt alternator dan penyetelan belt alternator. Belt alternator harus melengkung sebesar 10 mm (0,38 inci) dengan gaya tekan 110 N (25 lb).



    Ilustrasi 5g00287243

  1. Kendorkan baut mounting (1). Kendorkan locknut penyetel (2) .

  1. Gerakkan alternator hingga kekencangan yang benar tercapai.

  1. Kencangkan locknut penyetel (2). Kencangkan baut mounting (1) .

  1. Periksa ulang kelengkungan belt. Jika besarnya kelengkungan belum tepat, ulangi Langkah 15 hingga Langkah 17.

  1. Pasang panel akses engine.

  1. Hidupkan engine. Angkat loader arm hingga tinggi maksimum.

  1. Lepaskan pin dan simpan kembali penahan loader lift arm ke posisi semula.

  1. Turunkan bucket ke permukaan tanah.

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