FLEXIBLE HOSE REMOVAL/INSTALLATION
id071100703700
Replacement parts
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O-ring
Quantity: 2
Location of use: Flexible hose No.1
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O-ring
Quantity: 2
Location of use: Flexible hose No.2
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O-ring
Quantity: 2
Location of use: Flexible hose No.3
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O-ring
Quantity: 2
Location of use: Flexible hose No.4
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O-ring
Quantity: 2
Location of use: Flexible hose No.5
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Oil and chemical type
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Refrigerant
Type: HFO-1234yf (R-1234yf)
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Compressor oil
Type: ND-OIL11
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1. Collect the refrigerant. (See REFRIGERANT RECOVERY.)
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Caution
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• If moisture or foreign matter enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. After removing the refrigeration system parts, plug the opening immediately.
• If you directly pinch and fix the block with pliers it may be damaged. When fixing the block with pliers wrap a clean cloth around the block when working.
• When removing the connection bolts between the block joints, fix the female side block with pliers and remove the connection bolts.
2. Remove according to the procedure shown in the figure being careful not to allow compressor oil to spill.
3. Install in the reverse order of removal.
4. If the flexible hose is replaced, add compressor oil to the refrigeration cycle.
Compressor oil
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Replaced flexible hose
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Category
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Supplemental amount (reference)
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Flexible hose No.1
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ND-OIL11
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1 ml {1 cc, 0.03 US fl oz}
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Flexible hose No.2
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ND-OIL11
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1 ml {1 cc, 0.03 US fl oz}
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Flexible hose No.3
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ND-OIL11
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2 ml {2 cc, 0.07 US fl oz}
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Flexible hose No.4
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ND-OIL11
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2 ml {2 cc, 0.07 US fl oz}
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Flexible hose No.5
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ND-OIL11
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2 ml {2 cc, 0.07 US fl oz}
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5. Charge the refrigerant. (See REFRIGERANT CHARGING.)
6. Perform the air-conditioning system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST.)
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1
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Flexible hose No.1
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2
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Flexible hose No.2
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3
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Flexible hose No.3
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4
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Flexible hose No.4
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5
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Flexible hose No.5
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Flexible Hose Installation Note
1. Apply compressor oil to the O-ring at the connection.
2. Perform initial tightening of bolts fully by hand.
