9-1
Chapter 9 Maintenance and Inspection
9-1 Overview
WARNING
If a corrosion mark is found on a pressure resistance part such as a bolt, nut, or flange, replace the
defective part with a new one. Otherwise, a part with reduced pressure resistance performance may
be damaged and subsequently create a dangerous situation. Or, a damaged part may cause a bruise
or rupture.
CAUTION
Do not apply any strong shock to the glass part of the display using any type of tool. Doing so may
damage the product, resulting in a personal injury.
When moving the probe up or down, slowly move it while carefully checking the surroundings, and
bundle and secure excess cables. Failure to do so may cause cables to be caught or measurement
targets to be scattered.
When work is performed with the probe in an upright position, be sure to secure it firmly. Failure to
do so may cause a personal injury or damage to this product.
Replace a damaged seal gasket or O-ring with a new one. If this product is operated with any
damaged parts, sufficient sealing performance will not be able to be ensured, which will cause this
product to malfunction.
Do not attempt to modify or disassemble this product in any way that is not described in this manual.
Doing so may cause an electric shock or the product to malfunction.
When this product is no longer needed, dispose of it appropriately as industrial waste in accordance
with relevant local government regulations. Additionally, do not reuse a part or all of this product.
Maintenance and inspection can be performed easily because each device making up this liquid level transmitter
uses modularized parts. Check the seal (O-ring condition, moisture inside the probe housing) periodically, taking
into account the operating conditions. This chapter gives the disassembly and assembly procedures necessary for
maintenance of the liquid level transmitter.
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