Immergas AUDAX PRO 4 V2 - Closing the Valve Stem; Opening the Valve Stem

52
38
Outside
diameter (mm)
Tightening torque (N·m)
Operating torque
(N·m)
Body cap
Recharge
door cap
Stem
 6.35
20 ~ 25 10 ~ 12 Max 5
 15.88
* 1 N·m = 10 kgf·cm
Tightening torque
for body cap
(see table)
Tightening torque
for recharge
coupling cap
(see table)
Sealing
edge
Stem
Recharge centre
8.13 CLOSING THE VALVE STEM.
1. Open the cap and turn the valve stem clockwise using a hex
key (see gure 52).
2. Tighten the valve stem until the sealing edge is reached.
- Do not overtighten the valve stem and always use
special tools. Otherwise the contact surface between
the valve stem and sealing edge could be damaged
and refrigerant could leak through this damaged
surface.
- If refrigerant leaks, turn the valve stem halfway back and
re-tighten, then check the leak. If there is no more leak, tighten
the entire valve stem.
3. Firmly tighten the cap.
8.14 OPENING THE VALVE STEM.
1. Remove the cap.
2. Turn the valve stem anticlockwise using a hex key.
3. Turn the valve stem until it stops.
4. Firmly tighten the cap.
ATTENTION:
- when using the service coupling, al-
ways use a recharge pipe.
- Check for refrigerant gas leakage aer tight-
ening the cap.
- Use an open end spanner and an adjustable
spanner when opening/tightening the valve
stem.