9 Technetix Group Limited Rev.1._0.1_0217
3.3 Closing amplifier
Use a 6mm hex key to tighten the four lid securing bolts.
Next, using a 10mm socket, hand tighten the lid bolts in the following sequence: 1 - right hand bolt; 2 - left hand
bolt; 3 - bottom bolt; 4 - top bolt. Then, using a torque wrench set to a torque value of 5 Nm, go round again in
sequence and tighten to the final torque setting.
Following this sequence will ensure:
1. The rubber gasket between the lid and the amplifier housing is sealed correctly, providing a sound, watertight
seal to prevent water ingress.
2. A good RF seal between the RF gasket in the lid and the amplifier housing to prevent RF ingress/egress.
3. A good lid to housing contact for the dissipation of amplifier heat. The lid acts as a radiator when it is correctly
secured, keeping the amplifier operating temperature down to within the correct parameters when installed
as recommended.
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