Assembly Procedure ........................... 11 General Installation Procedure - TOPWORKS to a Positive Choke Body ............ 18 Greasing Instructions ..........................21 Seat Testing of Adjustable Chokes ......................21 RDI Sales & Service Centers ................Error! Bookmark not defined. Page 1 of 22...
MM-10 TOPWORKS, Adjustable Choke Valve Maintenance Manual Rev.1 Assembly Procedure Pictorial – 2” 1502 TOPWORKS It is important that the workstation is clean and free of any contaminants such as metal shavings, dirt, etc. Do not sand or de-burr any items while at the assembly workstation. Note: AMSOIL synthetic multi-purpose grease and Nikal (anti-seize compound) are used in this procedure.
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MM-10 TOPWORKS, Adjustable Choke Valve Maintenance Manual Rev.1 3. Lubricate the threads and sealing surface of the Stem (#13) with synthetic multi- purpose grease. 4. Slide the Junk Ring (#11) over the threaded end of the Stem and up against the shoulder. 5.
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MM-10 TOPWORKS, Adjustable Choke Valve Maintenance Manual Rev.1 6. Slide the Nylon Spacer of the Packing Kit over the threaded end and up against the first U- Cup Seal. 7. Slide the second U-Cup Seal onto the Stem and up against the Nylon Spacer (black rubber O-Ring of the U-Cup Seal facing the carbide tip).
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MM-10 TOPWORKS, Adjustable Choke Valve Maintenance Manual Rev.1 9. Coat the Packing Kit, Junk Ring and Stem Guide with synthetic multi-purpose grease. 10. Install the Stem Assembly into the Bonnet Body (#6) by turning the Stem clockwise until the threads are engaged or until a portion of the Stem is visible at the other end of the Bonnet.
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MM-10 TOPWORKS, Adjustable Choke Valve Maintenance Manual Rev.1 12. Tap the Junk Ring lightly to ensure that it is below the groove in the pocket of the Bonnet. 13. Install the Internal Snap Ring (#12) into the groove. Remove from bench-vise. 14.
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MM-10 TOPWORKS, Adjustable Choke Valve Maintenance Manual Rev.1 15. Apply anti-seize compound the threads of the Grease Fitting (#7) and screw it into the 1/8 NPT threaded hole of the Bonnet Body. DO NOT over tighten. 16. Turn the Bonnet Body around and insert the Nylon Ball (#8) into threaded hole.
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MM-10 TOPWORKS, Adjustable Choke Valve Maintenance Manual Rev.1 18. Slide the Indicator (#4) onto the Stem - keep it loose. Note: The Indicator is set when the TOPWORKS is installed onto a Positive Choke Body and is adjusted during field operations. 19.
MM-10 TOPWORKS, Adjustable Choke Valve Maintenance Manual Rev.1 General Installation Procedure - TOPWORKS to a Positive Choke Body Pictorial - 2” 1502 TOPWORKS to a 2” 1502 Positive Choke Body It is important that the workstation is clean and free of any contaminants such as metal shavings, dirt, etc.
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MM-10 TOPWORKS, Adjustable Choke Valve Maintenance Manual Rev.1 3. Thread the Choke Seat/Bean clockwise into the Positive Choke with an extended socket wrench - hand tight only. 4. Apply an anti-seize compound on the threads of the Positive Choke Body. Note: Before attaching the TOPWORKS, retract the Stem fully into the Bonnet Body to...
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MM-10 TOPWORKS, Adjustable Choke Valve Maintenance Manual Rev.1 6. Slightly engage the Stem’s carbide tip against the Choke Seat or Bean by turning the Hand Wheel clockwise. 7. Set the Indicator to zero (0) through the notch on the Bonnet Body. 8.
MM-10 TOPWORKS, Adjustable Choke Valve Maintenance Manual Rev.1 Greasing Instructions It is recommended to grease the TOPWORKS, Adjustable Choke Valve with synthetic multi- purpose grease after every application. Grease the TOPWORKS, Adjustable Choke in both OPEN/CLOSE positions. Do this at least twice to ensure that the threads and sealing surface of the Stem are fully greased.
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