0 troubleshooting, 0 troubleshooting table, 3 tightening torques – ARI Armaturen Vacuum breaker PN40 EN User Manual

Page 7

Advertising
background image

Rev. 0040807005 2404

Page 7

Operating and installation instructions

Vacuum breaker

7.2 Option drip pipe with union joint

7.3 Tightening torques

(refer to Fig. 1 page 4 - Fig. 2 page 7)

8.0 Troubleshooting

In the event of malfunction or faulty operating performance check that the installation and
adjustment work has been carried out and completed in accordance with these Operating
Instructions.

If malfunctions cannot be eliminate with the help of the following table
9.0 troubleshooting table”, the supplier or manufacturer should be consulted.

9.0 Troubleshooting table

It is possible to install a drip pipe (Pos. 53/
54) on the air inlet side to collect and safely
discharge any escaping liquid leakage.

Note section 7.3 when installing the option.

Fig. 2

Pos.

Vacuum breaker PN40

Torque (Nm)

Rp 1/2

6

Screw cap

90

53

Union joint for drip pipe

30

-

ATTENTION !
It is essential that the safety regulations are observed when identifying faults.

ATTENTION !
- refer to item 10.0 and 11.0 prior to dismantling and repair work!
- refer to item 6.0 before restarting the plant !

Fault

Possible cause

Corrective measures

External leakage

Screw cap (Pos. 6) not properly
tightened

Tighten; refer to item 7.3

Ball/seat chamfer worn

Replace venting valve

Incorrect installation position

Note installation position; refer to
item 5.3. Correct installation position

Advertising