Air Conditioning and Heating R134a for All Caterpillar Machines Caterpillar


Refrigerant Compressor

Usage:

465 3HZ



Ilustrasi 1g00754247

(1 ) Torsi pengencangan sumbat oli ... 10 ± 2 N·m (89 ± 18 lb in.)

Catatan: Sumbat oli (1) akan bertekanan bila sistem diberi tekanan.

(2 ) Torsi pemasangan akhir ... 25 ± 7 N·m (18 ± 5 lb ft)

(3 ) Relief valve tekanan

Tekanan pembukaan relief valve ... 3500 kPa hingga 4100 kPa (508 psi hingga 595 psi)
Tekanan perapat relief valve ... 2900 kPa (420 psi)

(4) Torsi pengencangan sakelar tekanan ... 8,0 ± 1,5 N·m (71,00 ± 13,00 lb in.)

Tegangan sabuk

Sabuk baru ... 800 ± 22 N (180 ± 5 lb)
Sabuk bekas ... 489 ± 44 N (110 ± 10 lb)

Catatan: Tegangan sabuk bekas adalah untuk sabuk yang telah dioperasikan sekurangnya selama 30 menit pada kecepatan tetapan. Operasikan AC selama 30 menit. Kemudian, setel sabuk penggerak dengan tegangan 489 ± 44 N (110 ± 10 lb).

Catatan: Gunakan Pengencang Sabuk 138-2514 Caterpillar.

Volume perpindahan per putaran ... 154,9 mL (5,20 fl. oz.)

RPM Kompresor yang Disarankan ... 2500 ± 200 rpm

Oli Refrigerant

Kapasitas oli ... 300 mL (10 fl. oz.)

Catatan: Rujuk ke Pengoperasian Sistem, "Mengidentifikasi Sistem AC".

Oli Poli Alkalin Glikol (PAG, Poly Alkaline Glycol)

Cat Air Conditioner Lubricant 4C-2959 (250 mL (8,45 oz.))

Refrigerant R-134a

DuPont ... SUVA TRANS A/C HFC134a

ICI ... KLEA 134a

Kopling Magnetik

Resistansi koil 12 VDC kopling (kabel Hitam) ... 3,5 ± 0,15 ohm

Tegangan minimum untuk pengaktifan ... 7,5 VDC

Arus Maksimum ... 3,58 amp

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