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GT-234-02 10
General maintenance of safety shut-off device is possible in following order (see safety shut-off
device drawing for dimension DN25 to DN50/
za dimenzije DN25 do DN50
- Picture 4.):
(set range 5-30 bar)
- safety shut-off device is previously disassembled from regulator body
- remove the screws (10), check the pad unit (1) and replace as necessary - (see pic. 3)
- unscrew rod thorn (8), remove the spring support (6) and remove the spring (32) - (see pic. 3)
- remove cover (13), unscrew adjusting ring (20) and (21), and remove springs (15) and (16) - (see pic. 4.)
- remove screws (42), remove flange SSV (4) and the inlet guide (5) - (see pic. 3)
- remove screws (25), remove pilot cover (2) and check membrane (8) - (see pic. 4.)
- remove screws (26), remove flange (3) - (see pic. 4.)
- remove screw (45) and remove subassembly I - (see pic. 3)
- unscrew outlet guide carrier (12) and remove outlet guide (3) - (see pic. 3)
-
remove the screws (44) and remove outlet guide carrier (11) - (see pic. 3)
-
remove retainer ring (30) and remove rod guide (17) - (see pic. 3)
- remove rod (2) - (see pic. 3)
- check gaskets and sealing surfaces on all disassembled parts
General maintenance of safety shut-off device is possible in following order (see safety shut-off
device drawing for dimension DN25 to DN50/
za dimenzije DN25 do DN50
- Picture 5.):
(set range 25-75 bar)
- safety shut-off device is previously disassembled from regulator body
- remove the screws (10), check the pad unit (1) and replace as necessary - (see pic. 3)
- unscrew rod thorn (8), remove the spring support (6) and remove the spring (32) - (see pic. 3)
- remove cover (13), unscrew adjusting ring (20) and (21), and remove springs (15) and (16) - (see pic. 4.)
- remove screws (42), remove flange SSV (4) and the inlet guide (5) - (see pic. 3.)
- remove screws (25) - (see pic. 4.)
- remove pilot cover (1) and check piston (2) and o-ring (3) - (see pic. 5.)
- remove screws (26), remove flange (3) - (see pic. 4.)
- remove screw (45) and remove subassembly I - (see pic. 3.)
- unscrew outlet guide carrier (12) and remove outlet guide (3) - (see pic. 3)
-
remove the screws (44) and remove outlet guide carrier (11) - (see pic. 3)
-
remove retainer ring (30) and remove rod guide (17) - (see pic. 3)
- remove rod (2) - (see pic. 3)
- check gaskets and sealing surfaces on all disassembled parts
General maintenance of subassembly I of safety shut-off device
(see subassembly drawing –Picture 6.)
- remove reataining ring (09) and lever washer (08)
- remove lever (05)
- and unscrew lock carrier cover (06)
- remove spring housing (02) and rod (01)
- remove elastic washer (10) and check tooth (03)
- check spring (07) and all other parts for damages