AD55B Underground Articulated Truck Power Train Electronic Control System Caterpillar


Position Sensor (Body) - Calibrate

Usage:

AD55B JNW




Ilustrasi 1g00103198

Prosedur Pengaturan Awal

Catatan: Pastikan posisi bak pembuangan di bawah.

    Catatan: Gunakan Multimeter 9U-7330 dengan Sensor Multimeter 7X-1710.

  1. Masukkan kabel uji ke kontak B dan kontak C. Hubungkan kabel positif ke kontak C dan hubungkan kabel negatif ke kontak B.

  2. Kendurkan baut yang mengencangkan tuas di poros sensor.

    Catatan: Pastikan tuas berada di titik stop bak pembuangan.

  3. Lihat sinyal Lebar Pulsa Termodulasi (PWM, Pulse Width Modulated) pada multimeter saat poros ke sensor diputar. Putar poros hingga siklus kerja yang ditampilkan di multimeter adalah 20 persen siklus kerja.

  4. Setelah 20 persen siklus kerja tercapai, kencangkan baut untuk mengunci tuas ke poros sensor.

Periksa Sensor Posisi Bodi terhadap Pengoperasian yang Benar.

  1. Nyalakan engine dan naikkan bak pembuangan.

  2. Posisikan tuas untuk tuas kontrol hoist ke posisi FLOAT selama minimum 12 detik.

  3. Perhatikan indikator bak naik saat tuas kontrol hoist berada di posisi FLOAT. Indikator akan menyala saat bak pembuangan berada di posisi FLOAT.

  4. Angkat bak pembuangan dan turunkan bak pembuangan. Pastikan indikator bak pembuangan tidak menyala saat bak pembuangan diturunkan.

Catatan: Jika Electronic Technician (ET) terhubung, pastikan pengukuran untuk fungsi snub adalah 4°. Selain itu, pastikan sudut bak pembuangan adalah 0° saat bak pembuangan diturunkan.

Kalibrasi Otomatis

Sensor posisi bodi akan melakukan kalibrasi secara otomatis jika kondisi berikut terpenuhi:

  • Sensor berada di antara 10 persen dan 30 persen siklus kerja saat bak pembuangan diturunkan.

  • Engine sedang hidup.

  • Tuas kontrol hoist berada di posisi FLOAT atau saat daya tidak ada.

  • Kondisi di atas stabil selama minimum 12 detik.

Catatan: Setelah dikalibrasi, posisi bak di ET akan ditampilkan 0° dan akan naik saat bak pembuangan diangkat.

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