PIETRO FIORENTINI REVAL 182, Инструкция по эксплуатации и обслуживанию

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291
REV
AL 182
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR | MAINTENANCE AND FUNCTIONAL CHECKS | REV. 00
EN
Step Action
1 Unscrew and remove the cap (24).
2
Remove the O-ring (60) from the cap (24) 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.
3 Unscrew and remove the screws (42) together with the nuts (46).
4 Remove the cover (17).
5 Remove the diaphragm (16).
6 Unscrew the screw (44) while holding the diaphragm protection disc (19) in place.
7 Remove the diaphragm protection disc (19).
8 Unscrew and remove the slam-shut device guide (18).
9 Remove the flange (15).
10
Remove the O-ring (50) and replace it, taking care to lubricate it with synthetic grease.
NOTICE!
Before inserting the replacement O-rings, clean the retaining slots with a cleaning solution.
11
Remove replace the O-ring (53) from the sleeve (18), lubricating it with synthetic grease.
NOTICE!
Before inserting the replacement O-rings, clean the retaining slots with a cleaning solution.
12
Remove the U-shaped ring (47) from the bush (18) and replace it, taking care to lubricate it with synthetic
grease.
NOTICE!
Before inserting the replacement ring, clean the retaining slots with a cleaning solution.
13 Fit the flange (15).
14
Insert and secure the slam-shut device guide (18) according to the tightening torque:
• Pressure switch SA-91: tab. 9.120
• Pressure switch SA-92: tab. 9.121
15
Put the diaphragm protection disc (19) back in place.
16
Insert and fasten the screw (44) while holding the diaphragm protection disc (19) in place, according to the
tightening torque:
• Pressure switch SA-91: tab. 9.120
• Pressure switch SA-92: tab. 9.121
NOTICE!
Tighten the screws according to the cross diagram in paragraph 9.4.2.2.
17 Position the diaphragm (16).
18 Fit the cover (17).