Air Conditioning and Heating R134a for All Caterpillar Machines Caterpillar


General Information

Usage:

TK711 101
Tujuan dari buku petunjuk servis ini adalah untuk menjelaskan prosedur pengoperasian, pengujian dan penyetelan, serta prosedur pembongkaran dan perakitan pemanasan dan sistem AC Caterpillar untuk ruang operator.

Sistem ini dirancang untuk memberikan kenyamanan termal bagi operator alat berat di berbagai kondisi.

Kedua sistem merupakan sistem loop tertutup yang bekerja dengan menukar panas antara cairan sistem dan udara yang disuplai ke ruang operator. Cairan dalam sistem AC adalah refrigerant dan cairan dalam sistem pemanasan adalah cairan pendingin engine.

Dalam sistem AC, panas dipindahkan dari udara kabin yang panas ke refrigerant yang dingin dalam evaporator. Refrigerant selanjutnya diangkut ke kondensor. Panas disimpan di luar kondensor.

Dalam sistem pemanasan, panas dipindahkan dari cairan pendingin engine yang panas ke udara kabin yang dingin dalam koil heater. Cairan pendingin engine selanjutnya diangkut ke engine. Bila cairan pendingin kembali ke engine, cairan pendingin kembali dipanaskan.

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