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[DG] [DG] autohelm ST 4000
09-26-18, 11:01 AM
Post: #2
RE: [DG] autohelm ST 4000
Hi alexandrerua

Welcome to the forum

The Bronze nut forms part of a recirculating ball leadscrew, the ball bearings are trapped inside the bronze nut, lightly greased and circulate through the nut, then pass through the bypass tube, which is the steel tube running diagonally along the bronze nut.

The [censored] (of which there are 44) are normally fed into the bronze nut and preloaded into the recirculating tube, which is then pressed into the bronze nut, I would add this is not a simple operation, special tools are required and generally customers end up having to replace the complete assembly.

regards
Derek
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[DG] autohelm ST 4000 - alexandrerua - 09-26-18, 05:04 AM
RE: [DG] autohelm ST 4000 - Derek - Raymarine - Moderator - 09-26-18 11:01 AM

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