325
REV
AL 182
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR
|
MAINTENANCE AND FUNCTIONAL CHECKS
|
REV. 00
EN
Step Action
41
Insert and fix the screws (36) according to the following tightening torque:
• DN 10”: tab. 9.129
NOTICE!
Tighten the screws according to the cross diagram in paragraph 9.4.2.2.
42
Fit and secure the cap (30).
43
Fit the gasket (29) and the cover (19).
44
Insert and fix the screws (22).
45
Place the plug sleeve (1) on the plug (2) and
46
Insert and fix the screws (33) according to the following tightening torque:
• DN 10”: tab. 9.129
NOTICE!
Tighten the screws according to the cross diagram in paragraph 9.4.2.2.
47
Fit the bush (5) in the plug (2).
48
Put the spring (48) and spring support (4) in place.
49
Position and screw the extension (3).
50
Remove the plug (2) together with the plug sleeve (1).
51
Position and secure the nuts (131), together with the washer (32).
52
WARNING!
During the next steps, support the SB/82 slam-shut valve so as to prevent any falls.
53
Put the SB/82 built-in slam-shut valve in place.
54
Insert and fix the screws (31) according to the following tightening torque:
• DN 10”: tab. 9.129
NOTICE!
Tighten the screws according to the cross diagram in paragraph 9.4.2.2.
Tab. 9.172.
WARNING!
Ensure that all parts have been fitted correctly.
9.4.12 - HP2/2 BYPASS DEVICE MAINTENANCE PROCEDURE
NOTICE!
For more information, please refer to Paragraph 9.4.16.1.
Summary of Contents for REVAL 182
Page 404: ......