Air Conditioning and Heating R134a for All Caterpillar Machines Caterpillar


Refrigerant Compressor

Usage:

426C 1CR



Ilustrasi 1g01521192

Tampilan khusus Grup Kompresor Refrigerant 3E-1908

(1 ) Torsi pemasangan untuk sakelar tekanan ... 8,0 ± 1,5 N·m (71 ± 13 lb in.)

(2 ) Relief valve tekanan

Tekanan pembukaan relief valve tekanan ... 3800 ± 300 kPa (551 ± 44 psi)
Tekanan perapat relief valve tekanan ... 2900 kPa (421 psi)

(3 ) Torsi pengencangan sumbat oli ... 19,6 ± 4,9 N·m (14,5 ± 4 lb ft)

Catatan: Sumbat oli (3) akan bertekanan bila sistem diberi tekanan.

(4) Torsi pemasangan akhir ... 35 ± 3 N·m (26 ± 2 lb ft)

(5) Tegangan sabuk-V

Sabuk-V baru ... 535 ± 22 N (120 ± 5 lb)
Sabuk-V bekas ... 400 ± 44 N (90 ± 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 tegangan sabuk penggerak ke 400 N (90 lb).

Catatan: Gunakan Pengukur Ketegangan Sabuk 144-0235 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

Tipe konektor ... Konektor DT

Tegangan minimum untuk pengaktifan kopling ... 7,5 VDC

Arus Maksimum ... 3,58 amp

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