120 and 120 AWD Motor Grader Caterpillar


Brake Accumulator - Check

Usage:

120 E94

------ PERINGATAN! ------

Suhu ambien dingin dapat menyebabkan hilangnya kemampuan rem sekunder karena kurang memadainya pra-pengisian nitrogen akumulator hidrogen. Hilangnya sistem rem sekunder dan tekanan hidrolik utama akan menyebabkan kecilnya atau tidak adanya kemampuan rem dan berpotensi menyebabkan cedera atau kematian.

Disarankan untuk melakukan pemeriksaan terhadap akumulator mesin kapan saja asalkan alat berat telah idle selama lebih dari dua jam di bawah suhu −25 °C (−13 °F). Baca Buku Petunjuk Pengoperasian dan Perawatan sebelum melakukan pemeriksaan apa pun pada akumulator rem.


  1. Pindahkan kunci sakelar start engine ke posisi ON.


    Ilustrasi 1g06228580

    Catatan: Indikator peringatan (1) akan menyala jika sistem rem tidak berada pada tekanan pengoperasian normal.

  2. Nyalakan, lalu jalankan engine selama 1 menit untuk meningkatkan tekanan akumulator. Indikator peringatan (1) akan mati. Matikan engine.

  3. Injak pedal rem servis dan kemudian lepaskan untuk mengurangi tekanan akumulator. Injak pedal rem servis dan kemudian lepaskan sebanyak minimum lima kali, hingga indikator peringatan (1) menyala.


    Ilustrasi 2g03843839

  4. Apabila indikator peringatan (1) menyala setelah kurang dari lima penginjakan pedal rem servis, ukur tekanan pra-pengisian nitrogen pada akumulator (2). Baca Pengoperasian Sistem, Pengujian dan Penyetelan, "Akumulator Rem - Pengujian dan Pengisian" untuk informasi berikut ini:

    • Prosedur pemeriksaan yang benar

    • Prosedur pengisian yang benar

    • Tekanan yang direkomendasikan

    Dealer Cat terdekat memiliki peralatan yang sesuai untuk mengukur tekanan pra-pengisian akumulator rem.

    Catatan: Gunakan hanya gas nitrogen kering untuk mengisi akumulator rem.

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