PIETRO FIORENTINI ASX 176, Translation Of Original Instructions

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201
ASX 176
Use, maintenance and warning instructions
HIGH 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 support (17).
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 fitting the replacement I/DWR ring, clean the retaining slots using 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
Undo and remove the screws (46).
11 Remove diaphragm protection disc (44).
12 Remove the ring (49).
13
Remove the O-ring (50) from the ring (49) and replace it.
NOTICE!
Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution.
14
Undo and remove the screws (48).
15
Remove the lower cover (41).
16 Remove the bush (35).
17
Remove the O-ring (27) from the bush (35) 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.
18
Remove the U-shaped ring (4) from the bush (35) and replace it, taking care to lubricate it with synthetic grease.
NOTICE!
Before inserting the replacement U-ring, clean the retaining slots with a cleaning solution.