Easy Topog-E Boiler Installation Instructions

1. Remove old gasket and thoroughly clean the surface on boiler and on cover plate. Sometimes it is necessary to buff each surface.

2. Place Topog-E Gasket on hanhole cover plate. Be sure the gasket is pushed down tight on the plate. Do not use any grease, lubricant, or adhesive.

3. After cover plate is in boiler and gasket is in place, make one last cleaning swipe of the mating surface in the boiler. Use a rag wrapped around your finger.

4. Set crab, then center plate in opening and tighten nut enough to give a snug fit. Then, snug up with 1/4 turn of wrench.

SPECIAL NOTES:

• If gasket leaks while pressure is being built up, tighten only enough to stop leakage. Never over-compress a gasket.
• Gaskets on the bottom of a boiler shell are usually hard to install without leaking because particles of scale or sand tend to run down onto the mating surface between the time the surface is cleaned and the hanhole cover plate is put into place ready to be tightened. When this happens, drain the boiler again and start over, or expect to replace the gasket in a very short time.
• As pressure builds up in the boiler the bolt and crab will loosen. It takes some time for the gasket to reach its ultimate compression, so the operator should watch this for several days and keep the bolt tight until it no longer loosens. This is especially true if the boiler is operated intermittently; i.e., shut off at night to allow pressure to drop. In this case, vacuum pressure in the boiler would suck the cover plate in and allow the water to leak out of the boiler.
• Re-using gaskets after they have been in service is not recommended!

Topog-E Bolt Gaskets (when required) should be used with Topog-E Handhole Gaskets.

Topog-E Gaskets are sold for use in steam, water, air, and other selected applications only. Recommendations for use of Topog-E Gaskets are based on tests believed to be reliable and on actual customer experience. Since their installation and use is beyond our control we cannot guarantee the results, whether or not such use is in accordance with directions. We disclaim any responsibility.