PIETRO FIORENTINI REVAL 182, Use And Maintenance Instructions

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267
REV
AL 182
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR | MAINTENANCE AND FUNCTIONAL CHECKS | REV. 00
EN
Step Action
1 Undo and remove the screws (15).
2
Remove the cover (2)
3 Remove assembly “ A ” (plug).
4 Remove the spring (12).
5
Unscrew and remove the nut (16).
NOTICE!
During this step, hold the plug (5) still.
6
Insert the diaphragm protection disc (6) and the diaphragm (10).
7
Remove and replace the gasket (10).
NOTICE!
Before inserting the replacement diaphragm, clean the retaining slots with a cleaning solution.
8 Fit the diaphragm protection disc (6).
9
Fit and fix the nut (16) of the plug (5) according to the following tightening torque:
• R31/A: tab. 9.116
NOTICE!
During this step, hold the plug (5) still.
10
Unscrew and remove assembly “
B
” (cap) by adjusting the cap (4).
11 Take out the plug guide (3).
12
Remove the O-ring (18) from the plug guide (3) 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.
13 Remove the plug guide ring (8).
14
Remove the O-ring (20) from the plug guide (3) 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.
15
Remove and replace the reinforced gasket (9).
NOTICE!
Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution.
16 Remove and replace the filter (13).
17
Remove the O-rings (18, 19) from the cap (4) 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.
18
Put the filter (13) and the plug guide (3) in place.