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Even Marelon seacocks get stiff, at left. This one is in the open position with the handle vertical. Exercise it by moving the handle to the 90-degree position. Note that the screws on the two clamps securing the hose oppose each other. The handles on this Y-valve line up with the direction of the fluid flow, center. Exercise it toward the direction of the alternate flow, an approximate 120-degree rotation. One of the front engine mounts, at right. A bolt above the bracket secures the assembly. Remember to torque the lag bolts that hold the engine mount to the hull.

Inspect and be safe

For peace of mind, check what’s out of sight Issue 72 : May/Jun 2010 Some of the mechanical components on your sailboat are so reliable you probably don’t give them a thought. But don’t assume they’ll...

Bob Tigar
July 20, 2026
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The damper plate is constructed of two plates and springs. The transmission shaft fits into a toothed hole in the center.

Damper plate redo

Replacing a reclusive transmission component Issue 78 : May/Jun 2011 I am meticulous about maintaining my sailboat. I perform routine maintenance on a schedule and I address little problems that arise...

Bob Tigar
July 1, 2026
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