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. Maintenance may be performed with the valve installed or with valve removed from the line. In either case, the gas supply must be isolated from the line by closing a separate shut-off valve. 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. Open handwheel 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. Clamp the valve in a vise by the hex end section of the body. 3. Grip the hex section of the bonnet with a suitable wrench and turn clockwise until it can be removed from body. A7507-50 Assembly for A7507AP & A7508AP Shut-Off Valves CAUTION: Bonnet has left hand thread, indicated by notches on the hex edge. 4. Remove body gasket and discard. TO INSTALL NEW SEAT DISC: 5. Put the valve body aside and clamp the hex section of bonnet in the vise. 6. While holding the top of the seat disc retainer with a wrench, use another wrench to remove the disc retaining nut. 7. Remove and save washer, take out and discard seat disc. 8. Immerse new seat disc in water immediately prior to assembly. 9. Install new seat disc (7507A-4) by pressing into recess of seat disc retainer. 10. Apply two 1 /8" stripes of Loctite cement (5555LT271) across threads on opposite sides of seat disc retainer. CAUTION: Do not allow Loctite to contact seat disc. 11. Place washer on seat disc retainer and thread on disc retaining nut. After tightening firmly with a wrench, stake nut in two places at retainer thread (see figure 2) to prevent loosening. NOTE: If no further repairs are required, disregard steps A-12 through A-18 and B-1 through B-10 of the instructions and finish reassembly by following steps B-11 through B-16 only. TO INSTALL ALL OF THE A7507-50 REPAIR PARTS, FOLLOW ALL OF THE REMAINING IN- STRUCTIONS. 12. Gripping handwheel, turn stem holder clockwise using a small wrench and remove, with swivel pin and seat disc retainer attached. NOTE: Stem holder has left hand thread. 13. Remove and save washer in recess of stem. 14. Remove handwheel locknut by turning counterclockwise with a small wrench thus allowing removal of washer and handwheel. (cont'd) 7505A-Locknut 3230-81 Washer 7505-15 Handwheel 7505A-14 Stem * 7507-45 O-Ring 7505-11 Seal Housing * 7507-42 Pressure Seal Rings (2) 7507A-2 Bonnet * 7505A-9 Jam Ring * 7507-21 Washer * 7505-10 Gasket 7505-17 Spring * 7507-8 Gasket 7505A-8T Washer A7507AP 7507A-5A Seat Disc & Retainer Assy. *7507A-4 Seat Disc A7508AP Body Figure 1 **5555-GS-3 Lubricant **5555PL Litharge Cement Kit **5555LT271 Loctite Cement * These items form the A7507-50 Assembly recommended for most repairs. ** Must be ordered separately from Engineered Controls International, Inc. Swivel Pin Stem Holder Seat Disc Retainer *7507A-4 Seat Disc Figure 2 7507A-5A Seat Disc & Retainer Assy. stake nut here
15. With a wrench, turn seal housing counterclockwise and carefully remove from bonnet. CAUTION: Do not mar finish of stem. 16. Remove pressure seal rings, washer, jam ring and O-ring from seal housing and discard. 17. Unscrew the stem and remove from bonnet with great care. Inspect stem and bonnet threads, if worn, install new stem and/or bonnet. NOTE: If stem is scratched or scored, a new one must be installed. 18. Remove and discard seal housing gasket from bonnet, save spring for reassembly. B. Reassembly 1. Apply lubricant (5555GS-3) liberally to threads of stem. 2. Screw the stem clockwise into bonnet with care to avoid damaging finish. 3. Install old washer in recess of stem. 4. Apply Loctite cement to first three threads of stem holder and assemble stem holder (with swivel pin and seat disc retainer attached) counterclockwise into stem. Tighten with a small wrench until a slight binding is produced to damp the free swivel action of the swivel pin. 5. Install new seal housing gasket (7505-10), old spring, new washer (7507-21) and jam ring (7505A-9) over stem into bonnet. 6. Lubricate and install new O-ring (7507-45) in groove of seal housing. 7. Apply a thin film of lubricant to the pressure seal rings (7507-42) and carefully insert one at a time into the full depth of the seal housing. 8. Apply 1 /8" stripes of Loctite cement across threads in three places equally spaced around seal housing. CAUTION: Do not allow Loctite to contact gasket. Use sparingly. 9. Place seal housing carefully over the stem to avoid damaging the edges of seal rings and thread into bonnet clockwise, tighten to 500 in/lbs torque, with a suitable wrench. 10. Place handwheel on stem, secure with washer and locknut, tighten with a small wrench. 11. Place hex end section of valve body back in vise. 12. Prepare cement using instructions supplied with Litharge cement kit (5555PL). 13. Apply 1 /8" stripes of cement in three places equally spaced around bonnet, across threads. Use sparingly. 14. Install new gasket (7507-8) in body. CAUTION: Stem must be in fully open position (valve backseated) to prevent seat disc from being forced against seat in body when bonnet is assembled into valve body. 15. Thread bonnet into body counterclockwise, tighten to 1000 in/lbs torque, using a suitable wrench. 16. Pressurize valve, check for proper operation and check all seal points for leaks by applying leak detection solution. 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 USA 03-0894-0589 Instruction Sheet A7507-300
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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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Flomatic Parts Key Component Part N
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Figure 4D: Exploded View of Flomati
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Figure 3a: Side View of Manifold As
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Figure 4: Seat Ring Replacement Fig
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Figure 8: Views of Manifold Assembl
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WARNING: All gas MUST be evacuated
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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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