3612 and 3616 Engines Caterpillar


Fuel Injector

Usage:

3616 1PD



Ilustrasi 1g00706426

Pengoperasian Injektor Bahan Bakar

(1) Rocker Arm

(2) Sekrup

(3) Pushrod

(4) Susunan lifter

(5) Camshaft

(6) Klem injektor bahan bakar

(7) Injektor bahan bakar

(8) Rack




Ilustrasi 2g00313984

Injektor Bahan Bakar

(7) Injektor bahan bakar

(9) Rodagigi

(10) Plunyer

Injektor bahan bakar (7) ditahan pada posisinya di kepala silinder oleh klem injektor bahan bakar (6). Bahan bakar diinjeksikan ke dalam ruang pembakaran saat rocker arm (1) mendorong bagian atas injektor bahan bakar ke bawah. Gerakan rocker arm diatur oleh camshaft (5) melalui susunan lifter (4) dan pushrod (3) .

Jumlah bahan bakar yang diinjeksikan diatur oleh rack (8). Gerakan rack menyebabkan perputaran rodagigi (9) yang dipasangkan ke plunyer (10). Putaran plunyer mengubah langkah efektif plunyer. Langkah efektif plunyer merupakan bagian dari langkah yang secara aktual menginjeksikan bahan bakar.

Timing injeksi bergantung pada dua faktor:

  • Lokasi angular camshaft (5)

  • Lokasi plunyer (10)

Lokasi angular camshaft diatur oleh rodagigi penggerak camshaft di bagian belakang engine. Lokasi plunyer dapat disetel dengan menggunakan sekrup (2).

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