127
ASX 176
Use, maintenance and warning instructions
HIGH PRESSURE REGULATOR
|
MAINTENANCE AND FUNCTIONAL CHECKS
|
REV. 00
EN
9.4.2 - REPLACING ELEMENTS SUBJECT TO WEAR AND ABRASION
9.4.2.1 - INITIAL OPERATIONS
ATTENTION!
Before carrying out any work, it is important to ensure that the line on which the regulator is installed has
been shut off upstream and downstream, and discharged.
ATTENTION!
During assembly, make sure to tighten the screws as per the tables (tightening torques), according to the
size for which maintenance is being carried out.
Proceed as follows:
Step Action
1
Unscrew the conical seal fittings to disconnect all power outlets and sensing lines for the pilot and regulator.
2
Loosen the nut securing the pilot support bracket to the regulator.
3
Remove the 200/A series pilot present with the R14/A pre-regulator from the regulator.
NOTICE!
For replacement and pilot disconnection procedures for the 200/A series and the R14/A pre-reg-
ulator, please refer to section 9.4.5.
Tab. 9.89.
9.4.2.2 - CROSS DIAGRAM FOR TIGHTENING SCREWS
To tighten the screws, when required by the maintenance procedure, refer to the following diagram:
3
1
4
2
1
2
6
3
4
5
Fig. 9.41. Cross diagram
Summary of Contents for ASX 176
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