CiDRA Elevated Temperature Sensor Head - Manual (Page 12)

Repeat the seal installation on the opposite cover half. Note: Ensure
the seals are installed to mirror each other as they must seal on each
other during cover installation. Also, the crossing seals must be on
opposite sides of the covers when they are installed. Seals must be
one continuous length on each cover half.
Cover Top Cover Bottom
Crossing seals must be on
opposite sides when cover
halves are installed
Figure 6 Cover Seal Final Installation
21020-01 Rev 01 Page 2-8