PIETRO FIORENTINI ASX 176, Translation Of Original Instructions

Page: 185 / 254

185
ASX 176
Use, maintenance and warning instructions
HIGH PRESSURE REGULATOR | MAINTENANCE AND FUNCTIONAL CHECKS | REV. 00
EN
Step Action
25
Insert assembly “ A ” (plug) the bottom upwards into the valve body (4).
NOTICE!
• Take care not to damage the diaphragms (16) during this step.
• Make sure the marking on the lower section of the headframe is parallel to the axis of the
hole for inserting the seat (3) into the valve body (4).
26
Insert assembly “ B ” (valve) into the valve body (4).
NOTICE!
Take care not to damage the O-rings (28, 29) and the valve seat (3).
27
Screw in the nut (26) according to the following tightening torque:
• Pilot 207/A > tab. 9.80.
28
Put the upper diaphragm (16) back in place, taking care to lubricate the lanyards with synthetic grease.
NOTICE!
Before inserting the replacement diaphragm, clean the retaining slots with a cleaning solution.
29 Put the plug (17) and then the spring (21) back in place.
30
Refit and fix the pilot nut (2) according to the following tightening torque:
• Pilot 207/A > tab. 9.80.
31 Fit the spring (20).
32 Fit the cover (1).
33
Insert and fix the screws of the upper section (24) according to the following tightening torque:
• Pilot 207/A > tab. 9.80.
34 Fit the sleeve (6) and the bracket (14).
35
Insert and fix the screws of the lower section (24) according to the following tightening torque:
• Pilot 207/A > tab. 9.80.
36 Fit the spring (22) and the spring supports (7).
37 Unscrew the cap (8).
38
Remove and replace the O-ring (11) in the nut (9).
NOTICE!
Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution.
39 Fit the adjusting screw (10) together with the cap (9).
Tab. 9.98.
WARNING!
Ensure that all parts have been fitted correctly.
9.4.6.4 - 200/A SERIES PILOT RECONNECTION
NOTICE!
To reconnect the pilot to the regulator, refer to section 9.4.5.1 tab. 9.96.