Weh TK17 H2, Operating Instructions Manual

Page: 21 / 96

7�2 Installation of filling hose
Î
Unscrew the protection cap from the port.
Î When mounting the filling hose, hold an open-ended
wrench against the wrench size A/F(1) ( Figure 1 ).
Î
Screw the media inlet ‘B1’ pressure-tight onto the connection
port of the filling hose ( Figure 1 ).
For the tightening torque, please refer to the table below.
Ports Torque
UNF 7/16”-20* male thread 20 Nm +10%
UNF 9/16”-18* male thread 40 Nm +10%
* acc. to SAE J514, 37°
Î
Please note the connection size marked on your product
- Other connection sizes available on request
7�3 Installation of purging line (only TK17 H
2
70 MPa with ENR)
Î
For purging, connect the purging line 'P1' of the fueling nozzle to your nitrogen resp.
compressed air line. Use a suitable push-in connector for connection of the purging
line (not included in the scope of delivery of WEH).
Attention: Only use nitrogen or dried air (dew point < -40°C) for purging.
7�4 Checking the connection for leak tightness
Î
Connect the fueling nozzle to the WEH
®
Service receptacle.
Î
Slowly apply the operating pressure to the filling hose and the fueling nozzle.
Î Check the fueling nozzle and the connection between the filling hose and the
fueling nozzle for leak tightness. Please refer to Chapter 11. Checking the leak rate
on page 41 .
Figure 1
A/F(1)
B1
MD-10013-L51-R1.6.0-03
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Operating instructions AE