PIETRO FIORENTINI ASX 176, Перевод оригинальной инструкции

Страница: 183 / 254

183
ASX 176
Use, maintenance and warning instructions
HIGH PRESSURE REGULATOR | MAINTENANCE AND FUNCTIONAL CHECKS | REV. 00
EN
Step Action
1 Loosen the nut (9).
2
Completely release the spring (22) by turning the adjusting screw (10).
3 Remove the adjusting screw (10) together with the cap (9).
4 Remove the cap (8).
5
Remove the O-ring (38) from the cap (8) 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.
6 Remove the spring (22) and the spring supports (7).
7 Undo and remove the screws of the lower section (24).
8 Remove the bracket (14) from the sleeve (6).
9 Remove the sleeve (6).
10
Undo and remove the screws of the upper section (24).
11 Remove the pilot cover (1).
12 Remove the spring (20).
13 Unscrew and remove the nut (26).
14
Remove the O-ring (26.1) from the nut (26) 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 Unscrew and remove the pilot nut (2).
16 Remove the spring (21).
17 Remove and replace the plug (17).
18
Remove and replace the upper diaphragm (16).
19
Remove assembly “
B
” (valve).
20
Remove the O-rings (28, 29) from the valve seat (3) and replace them, taking care to lubricate them with syn-
thetic grease.
NOTICE!
Before inserting the replacement O-rings, clean the retaining slots with a cleaning solution.
21 Remove assembly “ A ” (plug) from the valve body (4) by pushing it from the top downwards
22 Unscrew and remove the nut (12).
23
Remove and replace the lower diaphragm (16), taking care to lubricate the lanyards with synthetic grease.
NOTICE!
Before inserting the replacement diaphragm, clean the retaining slots with a cleaning solution.
24
Place and fix the nut (12) according to the following tightening torque:
• Pilot 207/A > tab. 9.80.