89
GOVERNORS NOR
TH AMERICA
LOW PRESSURE GAS REGULATOR
|
MAINTENANCE AND FUNCTIONAL TESTING
|
REV. A
US
Operation, maintenance and warning manual
The reported maintenance procedures apply to:
• the entirety of GOVERNORS NORTH AMERICA except the PF400 and PF400 Dual Cut versions. In case
of failure, when maintenance is not planned, refer to the authorized dealer;
• both regulators (upstream and downstream) of the OPD and Dual Cut versions.
Step Operation
1
Remove the cap (B) from the top cover (I).
2
Unscrew and remove the adjustment ring nut (C) together with the spring press (D).
3
Remove the calibration spring (E).
4
Unscrew and remove the screws (H).
• Use the equipment (C) in Table 6.35.
• For replacement screws, contact the Manufacturer (see section 2.1).
5
Remove the top cover (I).
6
Remove the safety membrane (S).
7
Remove and replace the spring guide (J).
8
Unscrew and remove the screws (K).
9
Remove the lower cover (L).
10
Remove the O-ring (F).
11
Remove the filter element (A).
12
Turn the stabilizer body upside down.
13
Hold the stabilizer body in place using the plug lock.
14
Unscrew the nut (N).
15
Slide out the working membrane disk (O).
During this step, hold the plug block still.
16
Slide out the plug (M).
17
Slide off the upper spacer (P).
18
Remove the working membrane (R).
19
Unscrew and remove the screws (Q) from the balancing diaphragm lock disk (U).
20
Remove the balancing membrane lock disk (U).
21
Remove the balancing membrane (T).
22
Slide off the lower spacer (V).
23
Position the plug (M).
• The edge of the sealing ring (F) should be facing upward.
• Check the cleanliness of the plug base (M).
24
Insert the assembly (M, V) into the body of the stabilizer.
25
Insert the lower spacer (W) into the assembly (F, M).
Summary of Contents for 30051
Page 98: ...TM0061USA ...