Repair Kits Available By Part Number Section 2 Page - GAMECO

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WARNING: Installation, disassembly, repair and maintenance must be performed only by qualified personnel. All gas MUST be evacuated from the system before starting repairs. Installation, usage and maintenance of this product must be in compliance with all Engineered Controls International, Inc. instructions as well as requirements and provisions of NFPA #54, NFPA #58, DOT, ANSI, all applicable federal, state, provincial and local standards, codes, regulations and laws. Inspection and maintenance on a periodic basis is essential. Be sure all instructions are read and understood before installation, operation and maintenance. These instructions must be passed along to the end user of the product. CAUTION: Contact or inhalation of liquid propane, ammonia and their vapors can cause serious injury or death! NH 3 and LP-Gas must be released outdoors in air currents that will insure dispersion to prevent exposure to people and livestock. LP-Gas must be kept far enough from any open flame or other source of ignition to prevent fire or explosion! LP-Gas is heavier than air and may not disperse or evaporate rapidly if released in still air. Disassembly and <strong>Repair</strong> Procedure CAUTION: READ THROUGH ALL OF THESE INSTRUCTIONS, IN- CLUDING THE NOTICE AND WARNINGS ON THE BACK OF THIS SHEET, BEFORE BEGINNING ANY DISASSEMBLY OR REPAIR. NOTE: <strong>Repair</strong>s must be performed in a clean area. Hands, clothing, tools and work area must be completely free of oil, grease and foreign matter to prevent contamination of component parts and valves. A. Disassembly 1. EVACUATE ALL GAS FROM THE SYSTEM BEFORE ANY DISASSEMBLY OR REPAIR. Turn handwheel counterclockwise as far as it will go to release any gas remaining in the container. CAUTION: Do not apply force after valve is fully open. 2. Using a screwdriver, remove screw by turning counterclockwise; remove washer, nameplate and handwheel. Save for reassembly. 3. Remove bonnet cap by turning counterclockwise with a 1 1 /16" wrench. A7726B-50 Assembly for Obsolete Series A7726B, A7727B and A7728B Multi-Purpose Valves 4. Remove and discard flange packing. Be careful not to mar surface of stem. NOTE: Bonnet has left hand thread, indicated by notches on the hex edge. 5. Using a 1 11 /16" wrench, remove bonnet by turning clockwise. Discard body gasket. 6. Turning counterclockwise with a small wrench, unthread the cap screw enough to slide stem out of slot in seat disc retainer and discard the friction washer. 7. Remove and keep cap screw and large washer; discard seat disc. 8. Inspect bonnet and valve body. If necessary clean threads with wire brush and remove any debris that may fall into body. Be sure interior is free of dirt, residue, and foreign particles. Be sure assembly is in good repair. CAUTION: Do not SCRATCH or MAR seat area in valve body. B. Reassembly 1. Install new seat disc (7507A-4) by pressing into recess of seat disc retainer. 2. Apply a thin film of lubricant (5555GS-3) to new friction washer (7554-9) and install in slot on top of seat disc retainer. CAUTION: Be sure friction washer is aligned with hole in slot. 3. Slide stem into slot over friction washer, taking care not to move washer out of position. 4. Place new gasket (7554-8) and old washer on cap screw and apply Loctite cement (5555LT271) to the first three threads of seat disc retainer. CAUTION: Do not allow loctite to contact seat disc. A8016-93 Cap and Chain Assembly * 2697-20 Gasket 9103-11 Screw and Washer 8556-6 Nameplate A7726B-15 Handwheel A7726B Series (A7727B and A7728B Series not shown) A8000-19 Cap A8000-17 Bushing A8000-16R Flange Packing A7726B-2SS Stem A7726B-6 Bonnet * 7507-8 Gasket A7726B-5 Seat Disc Retainer * 7554-9 Friction Washer * 7507A-4 Seat Disc Body 7507A-18 Washer * 7554-8 Gasket 7554-7 Cap Screw A8016B Excess Flow Check Assembly ** 5555GS-5 Grease ** 5555LT271 Loctite Cement ** 5555PL Litharge Cement * These items are included in the A7726B-50 Assembly recommended for most repairs. ** Must be ordered separately from Engineered Controls International, Inc.
5. Install cap screw clockwise into seat disc retainer until washer bottoms on retainer and stem is secured. Tighten firmly with wrench to assure sufficient compression of seat disc and metal to metal make up between washer and seat disc retainer. 6. Install new gasket (7507-8) in body. 7. Prepare cement using instructions supplied with Litharge cement kit (5555PL). 8. Apply 1 /8" stripes of cement across threads in three places, equally spaced around bonnet. 9. Thread bonnet counterclockwise into body and tighten to 1000 in/ lbs torque, using a suitable 1 11 /16" wrench. 10. Apply a thin coating of lubricant to upper part of stem and bushing. 11. Carefully install new flange packing (A8000-16R) over stem and into bonnet. 12. Place bushing over stem and thread cap clockwise into bonnet; tighten firmly with a 1 1 /16" wrench. 13. Place handwheel, nameplate and washer on stem and secure with screw; tighten firmly with a screwdriver. 14. Close valve by turning handwheel clockwise as far as it will go. 15. Install a new gasket (A2697-20). 16. Pressurize system, check valve for proper operation and check all seal points for leaks by applying a leak detection solution. 17. Thread on cap clockwise and tighten firmly by hand. NOTICE LP-Gas is extremely flammable and explosive. Failure to install parts exactly as described in the instructions could result in a product that will not perform satisfactorily. Even if parts are correctly installed, the product might fail to perform satisfactorily if other parts are worn, corroded or dirty. Improper repair can cause leaks and malfunction, which could result in bodily injury and property damage. Any such use or installation of parts must ONLY be done by experienced and trained personnel using accepted governmental and industrial safety procedures. Most Engineered Controls International, Inc. products are listed with Underwriters Laboratories as manufactured. If repaired, the continued validity of the UL listing is contingent upon proper inspection to determine what needs repairing, proper repair using Engineered Controls International, Inc. parts and procedures, and proper testing for leakage and performance following repairs and installation. Engineered Controls International, Inc. assumes no responsibility or liability for performance of products repaired in the field. It must be clearly understood that the person or organization repairing the product assumes total responsibility for performance of the product. LIMITED WARRANTY AND LIMITATION OF LIABILITY Limited Warranty Engineered Controls International, Inc. warrants products and repair kits manufactured by it to be free from defects in materials and workmanship under normal use and service for a period of 12 months from the date of installation or operation or 18 months from the date of shipment from the factory, whichever is earlier. If within thirty days after buyer's discovery of what buyer believes is a defect, buyer notifies Engineered Controls International, Inc. thereof in writing, Engineered Controls International, Inc., at its option, and within forty-five days, will repair, replace F.O.B. point of manufacture, or refund the purchase price of that part or product found by it to be defective. Failure of buyer to give such written notice within thirty days shall be deemed an absolute and unconditional waiver of any and all claims of buyer arising out of such defect.. This warranty does not extend to any product or part that is not installed and used in accordance with Engineered Controls International, Inc.'s printed instructions, all applicable state and local regulations, and all applicable national standards, such as those promulgated by NFPA, DOT and ANSI. This warranty does not extend to any product or part that has been damaged by accident, misuse, abuse or neglect, nor does it extend to any product or part which has been modified, altered, or repaired in the field. Except as expressly set forth above, and subject to the limitation of liability below, Engineered Controls International, Inc. makes NO OTHER WARRANTY, EX- PRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO THE IMPLIED WAR- RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR- POSE, with respect to its products and parts, whether used alone or in combination with others. Engineered Controls International, Inc. disclaims all warranties not stated herein. Limitation of Liability Engineered Controls International, Inc.'s total liability for any and all losses and damages arising out of any cause whatsoever shall in no event exceed the purchase price of the products or parts in respect of which such cause arises, whether such cause be based on theories of contract, negligence, strict liability, tort or otherwise. Engineered Controls International, Inc. shall not be liable for incidental, consequential or punitive damages or other losses. Engineered Controls International, Inc. shall not be liable for, and buyer assumes liability for, all personal injury and property damage connected with the handling, transportation, possession, further manufacture, other use or resale of products, whether used alone or in combination with any other products or material. If Engineered Controls International, Inc. furnishes technical advice to buyer, whether or not at buyer's request, with respect to application, further manufacture or other use of the products and parts, Engineered Controls International, Inc. shall not be liable for such technical advice and buyer assumes all risks of such advice and the results thereof. NOTE: Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may have other rights that vary from State to State. The portions of this limited warranty and limitation of liability shall be considered severable and all portions which are not disallowed by applicable law shall remain in full force and effect. WARNING All Engineered Controls International, Inc. products are mechanical devices that will eventually become inoperative due to wear, corrosion and aging of components made of materials such as rubber, etc. The environment and conditions of use will determine the safe service life of these products. Periodic inspection and maintenance are essential to avoid serious injury and property damage. Many Engineered Controls International, Inc. products are manufactured components which are incorporated by others on or in other products or systems used for storage, transport, transfer and otherwise for use of toxic, flammable and dangerous liquids and gases. Such substances must be handled by experienced and trained personnel only, using accepted governmental and industrial safety procedures. NOTICE TO USERS OF PRODUCTS The Limited Warranty stated above is a factory warranty to the first purchasers of Engineered Controls International, Inc. products. Since most users have purchased these products from Engineered Controls International, Inc. distributors, the user must within thirty (30) days after the user's discovery of what user believes is a defect, notify in writing the distributor from whom he purchased the product/parts. The distributor may or may not at the distributor's option, choose to submit the product/parts to Engineered Controls International, Inc., pursuant to its Limited Warranty. Failure by buyer to give such written notice within thirty (30) days shall be deemed an absolute and unconditional waiver of buyer's claim for such defects. Acceptance of any alleged defective product/parts by Engineered Controls International, Inc.'s distributor for replacement or repairs under the terms of Engineered Controls International, Inc.'s Limited Warranty in no way obligates Engineered Controls International, Inc. to the terms of the above warranty. Because of a policy of continuous product improvement, Engineered Controls International, Inc. reserves the right to change designs, materials or specifications without notice. Printed in the USA 04-0894-1178 Instruction Sheet A7726B-300
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General Instructions, Notices, and
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General Instructions, Notices, and
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Repair Kits Available By Part Numbe
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Kits Available for Obsolete Part Nu
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WARNING: Installation, disassembly,
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6. Carefully place the new disc ret
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of the poppet stem. 8. Lubricate ne
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3. Apply loctite to the threads of
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A3217F-50 Repair Kit for A3217FL &
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1. Lubricate existing outer stem be
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Disc Holder Subassembly 1. Assemble
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Disc Holder Subassembly - 1. Assemb
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8. Assemble the cotter pin into the
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to the closed position when release
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7188 Master Cylinder Repair Instruc
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ushing until holes are aligned. 9.
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WARNING: Installation, usage and ma
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WARNING: Installation and use of th
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Installation, usage and maintenance
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3119A and 3120 Unloading Adapters O
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3120 Angle Type Unloading Adapter U
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A3209A050 1 1 /4" Internal Valve an
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To determine if the pilot seat is o
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A3210A065 1 1 /4" Internal Valve In
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and fully opens the valve. Prematur
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➠ WARNING: Installation, usage an
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Cable Control System The cable cont
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A3217F Series 3" Internal Valves In
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When there is excessive volume down
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A3219FA Series 4" Internal Valve In
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opens valve. Premature closure may
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A3219FPA Pneumatic Actuator for 4"
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PNEUMATIC ACTUATOR INSTALLATION: NO
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WARNING: Installation, usage, and m
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Figure 4 Auxiliary Release System O
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7781AF Emergency Shut-Off Valves In
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Cable Attachment — see Figures 1
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A7883FK & A7884FK Flomatic Internal
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Key Components Flow Characteristics
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Relief Valve Replacement Before ins
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SUGGESTED MAINTENANCE GUIDE MultiPo
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Repair Kits Available By Part Number Section 2 Page - GAMECO

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