PIETRO FIORENTINI REVAL 182, Инструкция по эксплуатации и обслуживанию

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341
REV
AL 182
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR | MAINTENANCE AND FUNCTIONAL CHECKS | REV. 00
EN
Step Action
1
NOTICE!
To disconnect the LINE OFF 2.0 device, refer to paragraph 9.4.14.
2 Undo and remove the screws (81).
3 Remove the bracket (82).
4 Unscrew and remove the nut (59) together with the indicator disc (60).
5 Unscrew and remove the nut (17).
6 Pull out the indicator rod (21).
7
Remove the guide O-ring (45) from the nut (17) and replace it, taking care to lubricate it with synthetic grease.
NOTICE!
Before inserting the replacement guide ring, clean the retaining slots with a cleaning solution.
8
Remove the O-rings (46, 47) from the nut (17) and replace them, taking care to lubricate them with synthetic
grease.
NOTICE!
Before inserting the replacement O-rings, clean the retaining slots with a cleaning solution.
9
Undo and remove the screws (35).
NOTICE!
In this step, support the built-in SB/97 slam-shut valve to prevent any falls.
10 Remove the HB/97 built-in slam-shut valve and fit it vertically with the plug (71) on an anti-shock surface.
11
Unscrew and remove the nuts (67) together with the washers (68).
12
Remove the flange (74).
NOTICE!
Check that the vent (94) is not clogged by dirt.
13
Remove the O-ring (62) from the flange (74) and replace it, taking care to lubricate it with synthetic grease.
NOTICE!
Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution.
14 Remove the plating (75).
15 Fit the HB/97 built-in slam-shut valve sideways.
16 Unscrew and remove the nuts (33) together with the washer (23).
17 Remove the plug (71) and place it on an anti-shock surface.
18
APPLICABLE TO DN 4” ONLY
Remove the O-ring (88) from the plug guide (70) and replace it, taking care to lubricate it with synthetic grease.
NOTICE!
Before inserting the O-ring, clean the retaining slots with a cleaning solution.