PIETRO FIORENTINI REVAL 182, Инструкция по эксплуатации и обслуживанию

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327
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 (18).
2
Remove the O-ring (16) from the cover (18) 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 Completely release the spring (11) by adjusting the ring nut (13).
4
Completely release the minimum pressure spring (17) by adjusting the ring nut (15).
NOTICE!
The minimum spring may not be installed.
5 Remove the ring nut (13), the spring (11) and the spring holder (10).
6
Remove the I/DWR ring (39) from the pressure switch sleeve and replace it, taking care to lubricate it with
synthetic grease.
NOTICE!
Before inserting the replacement I/DWR ring, clean the retaining slots with a cleaning solution.
7 Undo and remove the screws (42).
8 Remove the upper cover (40).
9
Remove and replace the diaphragm (43), taking care to lubricate the lanyard with synthetic grease.
NOTICE!
Before inserting the replacement diaphragm, clean the retaining slots with a cleaning solution.
10 Unscrew the screw (46) while holding the diaphragm protection disc (44) in place.
11 Remove the diaphragm protection disc (44).
12 Undo and remove the screws (48).
13 Remove the flange (41).
14 Remove and replace the gasket (28).
15 Pull out the stem guide (35).
16
Remove and replace O-ring (27), lubricating it with synthetic grease.
NOTICE!
Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution.
17
Remove and replace the U-ring (4), lubricating it with synthetic grease.
NOTICE!
Before inserting the replacement U-ring, clean the retaining slots with a cleaning solution.
18 Position the stem guide (35).
19 Position the gasket (28).
20 Fit the flange (41).