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What
is the proper placement for the sacrificial zinc on the prop shaft?
P.N., via e-mail
As shown in
the accompanying diagram, the two-piece zinc shaft collar should be positioned
as close to the shaft support strut as possible. Make sure not to paint
either the zinc or the part of the shaft that it will be fitted to. Doing
so will compromise its ability to conduct current and to protect your
running gear.
When changing shaft
zincs, be sure to scrape any dirt or debris off the shaft and sand down
the area to bare metal. In addition, make sure the zinc fits snugly to
the shaft. Give it a couple of twists with your hand. If there’s
any give, tighten it down until there’s no movement.
I’ve been noticing
that my windlass is operating slowly. Any suggestions as to what might
be wrong? J.L., via e-mail
Possible problems
include low battery voltage, a faulty motor connection—usually the
hot lead—or a loose battery-terminal connection. Also, if you’ve
repeatedly overloaded the motor, it may be damaged. Check these first
before calling the windlass manufacturer.
What maintenance
tips do you recommend for engine belts? J.G., via e-mail
Regularly
inspect the belt for nicks, cuts, or signs of shredding and replace. Also
regularly check tension by pushing down on the belt halfway between the
pulleys. If the give exceeds one-half inch, change it. Replace the belt
with the same one as recommended by your engine manufacturer and tighten
to spec. A belt that is too loose will slip, and one that is too tight
can overload the bearings in the driven component.
My tender’s
60-hp two-stroke outboard loses power and hesitates on acceleration. What
should I look for? P.F., via e-mail
The most likely causes are a restricted fuel supply and air leaking
into the fuel supply, both of which could produce a lean air-fuel mixture.
Clean your fuel filter and examine your fuel lines for kinks, damage,
and restrictions. Examine all connections and hoses between the fuel tank
and the fuel pump. If they check out, you may have a restriction in a
carburetor jet.
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