ATD ATD-3688 - Manual
ATD ATD-3688 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
ATD-3688
DELUXE DUAL BRASS A/C MANIFOLD
GAUGE SET
WARNING:
Always wear safety goggles when working with
refrigerants. Contact with refrigerant can cause eye injury.
Disconnect hoses with extreme caution! Pressurized
refrigerant may be present in hoses. Always point hoses
away from you and anyone nearby.
Your manifold is designed so that all three lower fittings are connected to each other by internal passages.
Separate passages from the low and high side fittings to their respective gauges give you pressure and
vacuum readings whether the handwheels are open or closed. For your convenience and safety, handwheels
and gauges are color-coded with the blue compound gauge on the left or low side, and the red pressure gauge
on the right or high side.
Diagnosing System Operation
·
Connect the blue low side hose to the A/C system’s low side service port. Connect the red high side
hose to the A/C system’s high side service port.
·
With the manifold handwheels closed, read the pressure on the gauge face.
·
Use the temperature/pressure chart in the back of this manual to find the corresponding temperature
for the refrigerant in the system.
·
Compare these pressure and temperatures to the A/C system manufacturer’s specifications for proper
operation.
·
If the system is within the correct operating guidelines, disconnect the manifold hoses from the system.
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