KVH Industries TracPhone F55 Installation Manual page 145

G.9.3 Isolation of ADU from the mounting base
In cases where the ADU is to be isolated from the mounting base, shoulder
bushes and washers (accessories) must be used as illustrated below. Please
note that the isolation has to be implemented on all four mounting bolts
(including the bolt securing the ground cable).
ADU
tighten to 25 +/- 5 Nm
Appendix G: Grounding and RF protection
Grounding/Mounting Stud on ADU
M10 Mounting Bolt
(stainless steel)
Separate Ground Cable
M10 Isolation Washer
Mounting Base
M10 Screw Insulator
Plain Washer (stainless steel)
Spring Washer (stainless steel)
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