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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
C-Band Reception, UK and Europe
Added Elevation control to the 1.8m dish
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<blockquote data-quote="Channel Hopper" data-source="post: 723447" data-attributes="member: 175144"><p>Not quite.</p><p></p><p>A shakedown (on a prime focus dish) is undoing all bolts that hold the petals together by one or two turns, including those that hold the petals to the backplate, turning the elevation control until the dish is pointing straight up, and giving it a full violent shake. </p><p>Each petal will (or should) use its own weight to settle down to a common angle held by all. All bolts are then tightened whilst still in the vertical position, and then the dish returned back to its normal elevation.</p><p>If the stringing is still in place, the petal alignment can be verified in both positions, if it changes then the backplate is not up to the job of holding everything steady.</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 723447, member: 175144"] Not quite. A shakedown (on a prime focus dish) is undoing all bolts that hold the petals together by one or two turns, including those that hold the petals to the backplate, turning the elevation control until the dish is pointing straight up, and giving it a full violent shake. Each petal will (or should) use its own weight to settle down to a common angle held by all. All bolts are then tightened whilst still in the vertical position, and then the dish returned back to its normal elevation. If the stringing is still in place, the petal alignment can be verified in both positions, if it changes then the backplate is not up to the job of holding everything steady. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
C-Band Reception, UK and Europe
Added Elevation control to the 1.8m dish
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