PIETRO FIORENTINI REVAL 182, Инструкция по эксплуатации и обслуживанию

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277
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 (26).
2
Unscrew and remove the calibration ring nut (23) together with the sliding disc (24).
3 Remove the calibration spring (25).
4 Unscrew and remove the screw (19) together with the nut (18).
5
Remove the cover (3).
NOTICE!
Check that the vent (22, 27) is free of impurities.
6
Remove the diaphragm assembly together with the intermediate flange (2) from the body (1).
NOTICE!
Check that the atmospheric exhaust is free of impurities.
7
Remove the O-ring (13) 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.
8
Unscrew and remove the valve seat (4) from the body (1).
NOTICE!
During this step, take care not to damage the valve seat (4).
9
Remove the O-ring (14) 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.
10
Insert and secure the valve seat (4) in the body (1).
NOTICE!
During this step, take care not to damage the valve seat (4).
11 Remove the seeger ring (11).
12 Remove the reinforced gasket (7).
13 Unscrew and remove the nut (10), holding the stem (9) in place.
14 Remove the diaphragm holder disc (16).
15
Remove the diaphragm (21) from the diaphragm holder (5).
NOTICE!
Before inserting the replacement diaphragm, clean the retaining slots with a cleaning solution.
16 Remove the seeger ring (15).
17 Unscrew and remove the screws (8).
18 Remove the disc (6).
19
Remove and replace the diaphragm (20).
NOTICE!
Before inserting the replacement diaphragm, clean the retaining slots with a cleaning solution.
20 Position the disc (6).