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1. |
Connect a R-134a refrigerant
Recovery/Recycling/Charging system (A) to the high-pressure service
port (C) and the low-pressure service port (B) as shown, following the
equipment manufacturer's instructions.
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2. |
Measure the amount of refrigerant oil removed from the A/C system
after the recovery process is completed. Be sure to install the same
amount of new refrigerant oil back into the A/C system before charging.
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|
1. |
When an A/C system has been opened to the atmosphere, such as
during installation or repair, it must be evacuated using a R-134a refrigerant
Recovery/Recycling/Charging system. (If the system has been open for
several days, the receiver/drier should be replaced, and the system
should be evacuated for several hours.)
|
2. |
Connect a R-134a refrigerant Recovery/Recycling/Charging system
(A) to the high-pressure service port (B) and the low-pressure service
port (C) as shown, following the equipment manufacturer's instructions.
|
3. |
If the low-pressure does not reach more than 93.3 kPa (700 mmHg,
27.6 in.Hg) in 10 minutes, there is probably a leak in the system. Partially
charge the system, and check for leaks (see Refrigerant Leak Test.)
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4. |
Remove the low pressure valve from the low-pressure service port.
|
|
1. |
Connect a R-134a refrigerant
Recovery/Recycling/Charging system (A) to the high-pressure service
port (B) as shown, following the equipment manufacturer's instructions.
|
2. |
Add the same amount of new refrigerant oil to the system that
was removed during recovery. Use only specified refrigerant oil. Charge
the system with [Front only: 600±25g (21.1±0.88oz.), Front & Rear: 750±25g
(26.4±0.88oz.)] R-134a refrigerant. Do not overcharge the system the
compressor will be damaged.
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In order to use the leak detector properly, read the manual supplied
by the manufacturer.
|
1. |
Check the torque on the connection fittings and, if too loose,
tighten to the proper torque. Check for gas leakage with a leak detector
(A).
|
2. |
If leakage continues even after the fitting has been tightened,
discharge the refrigerant from the system, disconnect the fittings,
and check their seating faces for damage. Always replace, even if the
damage is slight.
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3. |
Check the compressor oil and add oil if required.
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4. |
Charge the system and recheck for gas leaks. If no leaks are found,
evacuate and charge the system again.
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