Applicability: This notice applies only to TopWorx GO switch models C7, C8, H7, H8, M7, M8, R7, and SV7.
Purpose: The purpose on this TopWorx Information Notice (TIN) is to alert users of the GO Switch models listed above, that TopWorx was made aware of a situation which may affect the performance of the aforementioned equipment.
We are informing you of this circumstance in accordance with Sections 21.21(b) and 50.55 (e) of 10CFR21.
Discussion: Recently TopWorx has discovered that an incorrect 10M (Instructions & Operations Manual) for the above mentioned switches was available on the TopWorx website. Within that IOM it stated: 'Do not to use excessive force on external threads when installing, (36 in.-Ibs. max).' The correct value is 35 Ibs.-ft. max as stated in the current IOM.
Actions Required: Verify the torque value used to install the switches is adequate for the application.
10CFR21 Implications: TopWorx requests that the recipient of this notice review it and take appropriate action in accordance with 10CFR21.
From:
Brian Hampton
Vice President, Global Operations
TopWorx
3300 Fern Valley Road
Louisville, KY 40213
Fax: (502) 969-7315.