Repair Kits Available By Part Number Section 2 Page - GAMECO
Repair Kits Available By Part Number Section 2 Page - GAMECO
Repair Kits Available By Part Number Section 2 Page - GAMECO
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WARNING: Installation, disassembly, repair and maintenance<br />
must be performed only by qualified personnel.<br />
All gas MUST be evacuated from the system before starting<br />
repairs.<br />
Installation, usage and maintenance of this product must be in<br />
compliance with all Engineered Controls International, Inc. instructions<br />
as well as requirements and provisions of NFPA #54, NFPA<br />
#58, DOT, ANSI, all applicable federal, state, provincial and local<br />
standards, codes, regulations and laws.<br />
Inspection and maintenance on a periodic basis is essential.<br />
Be sure all instructions are read and understood before installation,<br />
operation and maintenance. These instructions must be<br />
passed along to the end user of the product.<br />
CAUTION: Contact or inhalation of liquid propane, ammonia and<br />
their vapors can cause serious injury or death! NH3 and LP-Gas<br />
must be released outdoors in air currents that will insure dispersion<br />
to prevent exposure to people and livestock. LP-Gas must be kept<br />
far enough from any open flame or other source of ignition to<br />
prevent fire or explosion! LP-Gas is heavier than air and may not<br />
disperse or evaporate rapidly if released in still air.<br />
Disassembly and <strong>Repair</strong> Procedure<br />
CAUTION: READ THROUGH ALL OF THESE INSTRUCTIONS, IN-<br />
CLUDING THE NOTICE AND WARNINGS ON THE BACK OF THIS<br />
SHEET, BEFORE BEGINNING ANY DISASSEMBLY OR REPAIR.<br />
NOTE: <strong>Repair</strong>s must be performed in a clean area. Hands, clothing,<br />
tools and work area must be completely free of oil, grease and foreign<br />
matter to prevent contamination of component parts and valves.<br />
A. Disassembly<br />
1. Clamp the valve in a vise by the hex end section of the body.<br />
2. Using a 1 11 /16" open end wrench with a handle of sufficient length<br />
to develop a minimum of 1250 in/lbs torque, grip the hex section of<br />
the bonnet and turn clockwise until it can be removed from body.<br />
3. Remove body gasket and discard.<br />
A7507LC-50 <strong>Repair</strong> Kit for<br />
A7507LHB through A7507LHDM<br />
& A7508LHB through A7508LHDM<br />
Quick-Acting Hose End Valves<br />
4. Clean cement residue from body threads with a wire brush and<br />
remove any debris that may fall into the body.<br />
5. Put body aside for later use and clamp bonnet in the vise by its hex<br />
section.<br />
To install New Seat Disc<br />
1. With a wrench, hold the seat disc retainer by its flats and using<br />
another wrench, turn nut counterclockwise until it can be removed,<br />
together with washer.<br />
2. Remove and discard seat disc.<br />
3. Install new seat disc (7507A-4) by pressing into recess of seat disc<br />
retainer.<br />
4. Apply Loctite cement (5555LT271) to the lead threads of seat disc<br />
retainer.<br />
Caution: Loctite must not contact surface of seat disc.<br />
5. Place washer on seat disc retainer and thread nut on clockwise until<br />
washer bottoms on retainer, tighten firmly with a wrench to form a<br />
slightly concave surface on seat disc.<br />
To Install New Multiseal:<br />
1. Return lever to horizontal (valve closed) position.<br />
2. Knock out groove pin with 1 /4" drift tap.<br />
3. Remove lever. Discard bonnet washer (A7507LH-11D) and O-ring.<br />
4. Pull stem assembly, together with spring, out from bottom of<br />
A7507LHDM<br />
A7508LHDM<br />
Lever<br />
Spring<br />
* A7507LH-13 Groove Pin<br />
Lock Lever<br />
* A7507LH-11D Washer<br />
* 1567-48 O-Ring<br />
A7508LHB-2 Stem<br />
* A7508LHB12R Multiseal<br />
* A7508LHB-10 Back-up Washers (2)<br />
Bonnet<br />
* 7507-8 Gasket<br />
* A7508LHB-11 Washer<br />
7505A-8T Washer<br />
Swivel Pin<br />
A7508LHB2SS Spring<br />
Stem Holder<br />
Seat Disc Retainer<br />
* 7507A-4 Seat Disc<br />
Washer<br />
Nut<br />
Body<br />
* 5555LT271 Loctite Match Pak Kit<br />
* Components Of <strong>Repair</strong> Kit