Air Conditioning and Heating R134a for All Caterpillar Machines Caterpillar


Refrigerant Compressor

Usage:

45 3BK



Ilustrasi 1g01521198

Tampilan khusus Grup Kompresor Refrigerant 114-9484

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

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

(2 ) Torsi pengencangan fitting berulir 7/8 in pada port isap. ... 32,4 ± 3,9 N·m (23,9 ± 2,9 lb ft)

(3 ) Torsi pengencangan fitting berulir 3/4 in pada port pelepasan. ... 23,5 ± 3,4 N·m (17,3 ± 2,5 lb ft)

(4) 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

Torsi Pengencangan Fitting

Torsi pengencangan fitting berulir 7/8 in. ... 32,4 ± 3,9 N·m (23,9 ± 2,9 lb ft)

Catatan: Fitting berulir 7/8 in. terletak di port isap penopang.

Torsi pengencangan fitting berulir 3/4 in. ... 23,5 ± 3,4 N·m (17,3 ± 2,5 lb ft)

Catatan: Fitting berulir 3/4 in. terletak di port pelepasan.

Oli Refrigerant

Kapasitas oli ... 270 mL (9 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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