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Old 15-05-2020, 16:28   #1
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Join Date: Jan 2014
Location: Rochester NY
Boat: Catalina 42
Posts: 50
Alpha Marine

I have recently learned that Alpha Marine Systems has shut down. I have a perfectly functioning 3000 autopilot. So what's next? Are there any other cruisers out there with an Alpha Marine autopilot? Do you know of anyone who will service it? The companies mentioned on their website do not seem to be able to service/repair

that is all

Steve
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Old 17-05-2020, 10:56   #2
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Location: Catalina Harbor Ca.
Boat: Formosa Ketch 41'
Posts: 2
Re: Alpha Marine

Lucky you, yours is still working. My (3000) had a motor problem, the tip of one of the brushes came loose. I gave it to a so called expert to fix. After a long while i retrived my drive unit not fixed but apart. luckily, not the shaft and delron balls in the tube. I am having a pinching problem of the reduction gear if i tighten down the bridge support. Anyone knows how the shims should be placed? Also some insite of potentiometer placement. Thanks in advance for any input.
capt Bruce
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Old 19-05-2020, 11:41   #3
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Location: SF Bay Area (Boat in La Paz)
Boat: Valiant V40
Posts: 752
Re: Alpha Marine

The motor itself is no longer available.

On mine, the motor had overheated the bush holder, which I was able to repair with a bit of careful heat and bending back into shape.

The potentiometer is installed so the resistance is 5k-ohm with the ram at mid-point. If you need to replace the pot, make sure to get a 10k-ohm and one with the same dimensions, including the shaft dimensions.

I don't understand the "pinching problem" so have no input there.

If you need to work on the motor, be careful removing the "can" surrounding it. It is a snug force fit into the cast housing and is easily distorted, so work carefully. It is sealed with a small amount of silicone on reassembly.
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Old 19-05-2020, 11:42   #4
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Boat: Valiant V40
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Re: Alpha Marine

PS:

Brushes are available, but needs a bit of googling to find or stop by a good motor rebuilder.
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