Appion AV760 Kiat Cepat & Panduan Perawatan

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Vacuum

Gauge

Access Port

Side Port

Access Port

Valve Core

Removal Tool

Service Tip: Connect the gauge at the

valve core removal tool's side port or

on a spare system port.

A vacuum gauges's ability to deliver accurate readings relies on a clean sensor. Accuracy of any vacuum gauge

can be a�ected by oil contamination, so it is important to minimize the chances of contamination during use.

Keep the Gauge Upright - During the evacuation process, oil from the system will migrate towards the vacuum

pump. As it passes the vacuum gauge connection port, gravity may cause the sensor to become flooded with

oil and produce inaccurate readings.

Always connect the AV760 so it remains upright throughout the evacuation.

Vacuum Gauge Placement

Vacuum Gauge Orientation

Connect the Vacuum Gauge to the system as far from the pump

as possible - For a system to be adequately dehydrated a deep

vacuum must be achieved throughout the entire system, not just

the point where the vacuum pump is connected. Unlike pressure,

vacuum will not quickly equalize across all points of the system.

For the most accurate reading of vacuum depth throughout the

system, connect the vacuum gauge at an access port on the

system that is farthest from the Vacuum Pump. It is possible for

one end of the system to be evacuated to 1,000 microns while

another end - far from the vacuum pump - can still be at 10,000

microns.

Service Tip: On larger systems, multiple gauges may be used

simutaneously to measure vacuum depth in di�erent spots

for a more complete analysis.

Quick Tips &

Care Guide