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<blockquote data-quote="Channel Hopper" data-source="post: 5324" data-attributes="member: 175144">Now that its been confirmed that the dish post is 3&quot;, looking at the second picture sent (thread page 4), this looks like a standard 1&quot; diameter shaft unit, and not a heavy duty 2&quot; actuator that is recommended for dishes of this size.The polarmount also looks from its alignment as though it has to lift the dish up to around 40degrees elevation, which on a 3m will cause a lot of strain, especially when the receiver has to pull the dish back on the return run from a low elevation satellite. This may explain why the receiver will not move the dish to the third satellite.Additionally I remember some Chaparral Monterey receivers were originally 24V imported into this country, and would not drive the newer 36v actuators that were appearing at the time. There were also faults in the thermal fuse parameters of the actuator drive circuit which were quietly replaced under warranty, and then charged an earth for if they failed after the first year.What is the rated output drive voltage of your receiver (its in the manual and probably on the back panel next to the postioner DC outputs)</blockquote>

[QUOTE="Channel Hopper, post: 5324, member: 175144"] Now that its been confirmed that the dish post is 3", looking at the second picture sent (thread page 4), this looks like a standard 1" diameter shaft unit, and not a heavy duty 2" actuator that is recommended for dishes of this size. The polarmount also looks from its alignment as though it has to lift the dish up to around 40degrees elevation, which on a 3m will cause a lot of strain, especially when the receiver has to pull the dish back on the return run from a low elevation satellite. This may explain why the receiver will not move the dish to the third satellite. Additionally I remember some Chaparral Monterey receivers were originally 24V imported into this country, and would not drive the newer 36v actuators that were appearing at the time. There were also faults in the thermal fuse parameters of the actuator drive circuit which were quietly replaced under warranty, and then charged an earth for if they failed after the first year. What is the rated output drive voltage of your receiver (its in the manual and probably on the back panel next to the postioner DC outputs) [/QUOTE]

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