Blueridge BA13 Manuel d'instructions d'installation - Page 11
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Liquid and Suction Line Service Valves
The liquid line and suction line service valves (see Figure
6) and service ports are used for leak testing, evacuation,
charging, and checking charge.
Each valve is equipped with a service port which has a
factory-installed Schrader valve. A service port cap protects
the Schrader valve from contamination and serves as the
primary leak seal.
To Access the Schrader Port:
1.
Remove the service port cap with an adjustable
wrench.
2.
Connect gauge to the service port.
3.
When testing is completed, replace service port cap.
Tighten finger tight, then an additional 1/6 turn.
To Open Liquid or Suction Line Service Valve:
1.
Remove stem cap with an adjustable wrench.
2.
Use service wrench with a hex-head extension to back
the stem out counterclockwise as far as it will go. Use a
3/16" hex head extension for liquid line service valves
and a 5/16" extension for suction line service valves.
3.
Replace the stem cap. Tighten finger tight, then tighten
an additional 1/6 turn.
To Close Liquid or Suction Line Service Valve:
1.
Remove the stem cap with an adjustable wrench.
2.
Use a service wrench with a hex-head extension to
turn the stem clockwise to seat the valve. Tighten
firmly.
3.
Replace the stem cap. Tighten finger tight, then tighten
an additional 1/6 turn.
Suction Line (Ball Type) Service Valve
Suction line (ball type) service valves function the same
way as the other valves; the difference is in the construction
(see Figure 7).
The ball valve is equipped with a service port with a factory-
installed Schrader valve. A service port cap protects the
Schrader valve from contamination and serves as the
primary seal.
508255-01
Issue 2212
Figure 6.
Figure 7.
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