Taylor-wharton XL-55 Manuel d'utilisateur télécharger pdf (Page 12)

Service CGA Connection Part Number

Inert (N2, 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 service. 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 or leak testing. Use only approved leak test solutions and follow the manufacturer’s

recommendations. “Snoop” Liquid Leak Detector is one approved solution, it is available

from: Nupro Co. 4800 E. 345th St. Willoughby, Ohio 44094 U.S.A.

CONVERTING A CONTAINER TO A DIFFERENT GAS SERVICE

XL-45/50/55 cylinders may be converted from one service to another within the confines of

the argon, nitrogen, and oxygen service for which the containers are designed. Conver-

sion 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 from 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.

3. Install new fittings for the USE, VENT, and LIQUID connections from the Gas Service

Change Kit. Leak test the fittings you just replaced, and change the gas service de-

cals to complete the conversion.

MAINTENANCE

PROCEDURES

WARNING:

For the O

System

Users: Residue of leak

detectors 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.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 24 25

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Taylor-wharton XL-55 Manuel d'utilisateur Page 12

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