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DO NOT work on any qage until you have carefully read these
warnings and instructions |
DO
NOT'S |  | DO'S |
| DO
NOT reuse any tubular glass, packing or seal. | DOinspect the gage glass daily, keep maintenance records, and conduct routine replacements. |
| DO
NOT exceed the glass or gage manufacturer's recommended working pressures or maximum recommended gage glass length. | DOinstall protective guards when necessary to protect personnel. |
| DO NOT bump, impact or scratch the glass. | DOprotect the outside of the gage glass from sudden temperature changes, such as drafts, water spray, etc. |
| DO
NOT tighten gland nut and packing beyond gage manufacturer's recommendations. | DOremove all deposits fro the seal areas, the gland nuts, glands (where used) and use new packing before installing a tubular gage glass. |
| DO NOT operate gages unless gage valve sets are equipped with drain vent safety ball check. | DO
examine gage glass for damage and seals for hard deposits and tears. |
| DO NOT attempt to clean glass while the unit is in operation. Cleaning should be done without removing the gage glass. | DOverify that the tubular gage glass, gland, nuts packing, etc. are the correct size and type before installing. |
| DO NOT attempt to inspect the glass, to adjust tie rods, packing nuts, or glands to inspect or tighten fittings
without isolating the gage from the pressure vessel and opening the drain vent. | DOensure that the system is protected by a safety shut-off valve system (e.g. safety ball check) |
| DO
NOT weld, impact or sandblast in the gage glass are without protecting the glass. | MAINTENANCE:Maintenance should only be undertaken by qualified, experienced personnel who are familiar with this equipment and have read and understand the instructions. |
| DO NOT have glass-to-metal contact. |
| DO NOT subject gage glass to bending or twisting stresses. |
| DO
NOT allow the gage glass to contact the bottom of the packing gland. |
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