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Precautions during maintenance and inspection
7.8
(1) When using a hot fluid, do not touch the product by bare hand.
*Doing so may scald your skin.
(2) After aerating, do not retighten gasket.
* Doing so may break the gasket, possibly resulting in external leak.
(1) Do not disassemble the bellows when the thermal tube is heated.
* If you do so, the bellows may be damaged and the original functions of the product are not realized.
(2) Do not apply shock to the thermal tube.
(3) When disassembling a gasket, always replace it with new one.
*If an old gasket is used as is, the fluid may leak outside.
(4) Alcohols or specified chlorofluorocarbon is sealed in the thermal tube. So when disposing of the products,
have a waste disposer collect and treat them. If you want us to do so, we undertake the service at cost.
Contact our sales office for more information.
7.9 How to Disassemble
(1) How to disassemble bellows
1. Take out the thermal tube from the tank, chemical liquid tank or pipe area.
2. Turn the adjustment handle to the right (seen from above) and make the state in which the load from the
adjustment spring is not applied on the product.
3. Remove the bolts holding bellows cover and take out the bellows from the main body.
* Never heat the thermal tube with the bellows detached. In case of the thermal tube for setting low
temperature, follow the procedures described in section 3 above while cooling it in water.
Warning
Warning
16
■EPDT-258a■
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