ITT Skotch Trifecta T4405F, Инструкции по установке, эксплуатации и обслуживанию

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ITT
Engineered Valves, LLC Page 17 of 24
Technical Manual No. IOT4400F Effective 8/31/2018
REV LEVEL B
Actuator Shaft Bushing
Lubricate O-Ring (Item 10), Shaft Wiper (Item 6) and Shaft Seal (Item 7) with a
suitable lubricant, such as, Dow Corning 55. Install O-Ring (Item 10) in Actuator
Top Cap (Item 5). Install Shaft Wiper (Item 6) and Shaft Seal (Item 7) in Bushing
(Item 8). Note the orientation of wiper and seal in bushing, refer to Detail D on
drawing 117923. Install Bushing (Item 8) in Actuator Top Cap (Item 5) and use
Snap Ring (Item 9) to secure Bushing (Item 8) in place.
Valve Assembly
Use a suitable gasket compound on all gaskets as noted, such as, Permatex Blue
Adhesive Sealant (RTV).
Apply gasket compound to gasket side of Outlet Seat Ring (Item 36). Press the
Seat Ring Gasket (Item 38) on to the Outlet Seat Ring (Item 36). Apply gasket
compound to other side of Seat Gasket (Item 38). Fasten Outlet Seat Ring (with
Gasket) into seat ring holder in Top Body (Item 1). Use Loctite® 242 and
recommended primer on cap screws (Item 37). Place all screws in place than
tighten in criss-cross pattern.
Lubricate the sealing surface of Outlet Seat Ring (Item 36) and circumference of
Seal (Item 93). Slide in Outlet Valve Subassembly from bottom of valve body
(Item 2). Care not to damage Outlet Valve Subassembly and it should be
supported.
Apply gasket compound to the gasket side of Inlet Seat Ring (Item 44). Press on
the Seat Ring Gasket (Item 46) and apply gasket compound to other side of Seat
Gasket (item 46). Fasten Inlet Seat Ring (with Gasket) into seat ring holder in
Bottom Body (Item 2). Use Loctite® 242 and recommended primer on cap screws
(Item 45). Place all screws in place than tighten in criss-cross pattern.
Lubricate the sealing surface of Inlet Seat Ring (Item 44), circumference of Seal
(Item 78) and face of Vent Seal (Item 84). Slide in Inlet Valve Subassembly from
bottom of valve body (Item 2). Ensuring the Post (Item 76) of Inlet Valve
engaged the Cage (Item 97) of Outlet Valve. Engage Inlet Seal (Item 78) into
Inlet Seat Ring (Item 44). Slide Inlet Valve Return Spring (Item 50) on Inlet
Valve Subassembly. Place a dry Bottom Flange Gasket (Item 52) on Bottom
Flange Subassembly. Lubricate lower half of shaft on Inlet Valve (Item 75).
Install Bottom Flange on shaft of Inlet Valve Subassembly. Note the orientation
of Bottom Flange and rotate it to position. Secure flange in place using Stud (Item
55) and Nut (Item 56). Care should be taken to tighten the nuts evenly around the
bolt circle, so Inlet Valve Spring (Item 50) does not bind during assembly. Verify
Return Spring (Item 50) is in the recess pockets of Inlet Valve Subassembly and