Taylor-wharton XL-65HP (with dual regulators) Manuel d'utilisateur télécharger pdf (Page 12)

WARNING:

Never put any liquid

cylinder into another

service once it has been

in CO

service.

WARNING:

For O

System users:

Residue of leak

defectors solutions can

be flammable. All

surfaces to which the

leak detector solutions

have been applied must

be adequately rinsed

with potable water to

remove all traces of

residue. Reference CGA

G-4. Section 4.9.

CAUTION:

Carbon dioxide may

form into the solid phase

(dry ice) if the pressure

of liquid is allowed to

drop below 70 psig (4.8

bar/483 kPa). Pressure in

the container must be

maintained above this

value to ensure a solid

block of CO

will not

form inside of the

container. Before

performing maintenance

on an XL-65HP in CO

the contents must be

transferred to another

container so that

container pressure can

be released.

VENT TEE CHART

The vent tee connects to a transfer hose to complete a fill line kit. Each assembly in-

cludes a 3/8 in. pipe connector to CGA fitting with a a 350 psig (24 bar/2413 kPa) relief

valve, and a ball-type dump valve.

Service CGA Connection Part Number

Inert (N

, Ar) CGA 295 GL50-8c60

Read the Safety Precautions in the front of this manual before attempting any repairs on

these containers. Also, follow these additional safety guidelines while performing con-

tainer maintenance.

Never work on a pressurized container. Open the vent valve as a standard practice

during maintenance to guard against pressure build up from residual liquid.

Use only repair parts cleaned for oxygen use. Be certain your tools are free of oil and

grease. This is a good maintenance practice, and helps ensure you do not create a

combustion hazard when working on containers for oxygen or nitrous oxide service.

Leak test connections after every repair. Pressurize the container with an appropriate

inert gas for leak testing. Use only approved leak test solutions and follow the manufactur-

ers recommendations. “Snoop” Liquid Leak Detector is one approved solution, it is avail-

able from: Nupro Co. 4800 E. 345

St., Willoughby, Ohio, 44094 U.S.A.

CONVERTING A CONTAINER TO A DIFFERENT GAS SERVICE

XL-65/65HP cylinders may be converted from one service to another within the confines of

the argon, carbon dioxide, nitrogen, nitrous oxide, and oxygen service for which the con-

tainers are designed. Conversation consists of changing the end connections at the USE,

LIQUID and VENT valves; then changing the liquid level gauge scale by changing its

plastic cover; and revising product decals. Parts are available in kit form for each gas

service as illustrated in the following table.

Service Change Procedure

Before removing any parts, empty the container and open the vent valve to prevent any

pressure build-up in the unit.

1. Remove the LIQUID, VENT and USE end fittings, one at a time, with standard wrenches.

Install new fittings from the Gas Service Change kit, using Teflon tape or another

oxygen-compatible thread sealant.

2. Remove the protective cover over the liquid level gauge. Replace the contents scale

with the scale for the new gas service from the service change kit, then replace the

protective cover.

MAINTENANCE

PROCEDURES

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Taylor-wharton XL-65HP (with dual regulators) Manuel d'utilisateur Page 12

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