C27 and C32 Engines for Caterpillar Built Machines Caterpillar


Idle Speed Is High

Usage:

992K 880
Gunakan prosedur ini jika engine menunjukkan idle yang tinggi.

Kemungkinan Penyebab

Pengoperasian Normal

  • Idle Tinggi Saat Tegangan Baterai Sistem Rendah

  • Fitur Idle Tinggi Saat Pemanasan Engine

Tindakan yang Direkomendasikan

Idle Tinggi Saat Tegangan Baterai Sistem Rendah

Kondisi ini merupakan pengoperasian normal. Kecepatan idle engine akan ditingkatkan ke 1000 rpm bila semua kondisi berikut terjadi:

  • Low System Battery Voltage Elevated Idle (Idle Tinggi Saat Tegangan Baterai Sistem Rendah) diprogram ke "Enabled" (Diaktifkan).

  • Posisi throttle valid. Posisi throttle tidak melebihi 25 persen throttle penuh selama lima menit.

  • Transmisi berada di posisi netral.

  • Rem parkir dipasang.

  • Kecepatan engine valid.

  • Tegangan baterai sistem di bawah 24,5 VDC selama lima menit.

Fitur Idle Tinggi Saat Pemanasan Engine

Kondisi ini merupakan pengoperasian normal. Kecepatan idle engine akan ditingkatkan ke 1000 rpm bila semua kondisi berikut terjadi:

  • Engine Warmup Elevated Idle Feature Enable Status (Status Aktifkan Fitur Idle Tinggi Saat Pemanasan Engine) diprogram ke "Enabled" (Diaktifkan).

  • Temperatur cairan pendingin di bawah 70 °C (158 °F).

  • Temperatur manifold masuk di bawah 5 °C (41 °F).

  • Posisi throttle valid. Posisi throttle tidak melebihi 25 persen throttle penuh selama lima menit.

  • Transmisi berada di posisi netral.

  • Rem parkir dipasang.

  • Kecepatan engine valid.

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