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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.<br />

instructions as well as requirements and provisions of NFPA<br />

#54, NFPA #58, DOT, ANSI, all applicable federal, state, provincial<br />

and local 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<br />

and their vapors can cause serious injury or death! NH3 and LP-<br />

Gas must be released outdoors in air currents that will insure<br />

dispersion to prevent exposure to people and livestock. LP-<br />

Gas must be kept far enough from any open flame or other<br />

source of ignition to prevent fire or explosion! LP-Gas is<br />

heavier than air and may not disperse or evaporate rapidly if<br />

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. EVACUATE ALL GAS FROM THE SYSTEM BEFORE ANY<br />

DISASSEMBLY OR REPAIR. Turn handwheel counterclockwise<br />

as far as it will go to release any gas remaining in the<br />

container.<br />

CAUTION: Do not apply force after valve is fully open.<br />

19100-50B Assembly for<br />

Series 9100 and 19100<br />

Cylinder Valves<br />

2. Using a screwdriver, remove the handwheel screw and washer<br />

by turning counterclockwise. Discard screw and washer. Remove<br />

and discard handwheel.<br />

3. Remove bonnet, O-ring and stem assembly from valve body by<br />

turning clockwise, using a 13 /16" wrench that can develop at least<br />

800 in/lbs. torque. Discard assembly.<br />

NOTE: Bonnet has left hand thread, indicated by notches in the<br />

hex edge.<br />

4. Inspect valve body and clean if necessary, be sure interior is free<br />

of dirt, residue and foreign particles.<br />

CAUTION: Do not SCRATCH or MAR seat area in valve body.<br />

B. Reassembly<br />

1. Thread new bonnet, O-ring and stem assembly (19100-1BX)<br />

into valve body counterclockwise and tighten to 450-550 in/lbs.<br />

torque, using a suitable 13 /16" wrench.<br />

NOTE: To prevent loosening of valve body from cylinder, hold<br />

it with a second wrench while installing bonnet.<br />

2. Assemble handwheel (9107-31) to valve stem and secure with<br />

self-tapping screw (906-11). Tighten firmly with a screwdriver.<br />

3. Turn handwheel fully clockwise to close valve.<br />

4. Pressurize system, check valve for proper operation and check<br />

all seal points for leaks by applying a high quality leak detection<br />

solution.<br />

906-11 Self-tapping Screw<br />

(not shown)<br />

9107-31 Handwheel<br />

19100-1BX Bonnet, Stem<br />

and O-Ring Assembly<br />

Notches is in edge of bonnet hex<br />

section indicate "Left Hand Thread"<br />

13<br />

/16-20, UNEF-2A, L.H. Thd.

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