Hi Bev,
Removing the masthead crane (the thing you're calling a cap) will
require dropping the forestay & backstay, for most older rigs. This
is an unusual practice if servicing at a mast tower. If you have a
roller furling jib then it's definitely not worth the bother.
Normally you secure the sheave and drive out the axle, as others have
mentioned. The best way to secure the sheave... and it is very
important to secure he sheave, is to attach a length of PVC tape
(commonly called "electricians tape") to some small stuff (string)
and lay the tape into the sheave. Rotate sheave to retrieve the tape
and continue to pull the string through. When you have the string
end, hitch it to the "other" part then tighten down to lasso the
sheave. This way it is captured and will not fall very far down into
the mast if you lose control of it.
Cheers, Russ
Sweet 35 mk-1
"There comes a time in a man's life when he hears the call of the sea.
If the man has a brain in his head, he will hang up the phone
immediately." -- Dave Barry
At 04:14 PM 21/09/2014, you wrote:
We have a mast tower at the club. The main sheave needs to be
replaced. Can we take off the cap at the mast tower and avoid
hauling out the mast for the replacement?
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