Pearson P31-II, Manual

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3.14 UNDERWAY TUNING
With the jib and main set , under moderate wind conditions,
sail to windward on one tack. Sight up the mast to check
for straightness. The mast should not bend to leeward or
to windward. If the need for adjustment is indicated, make
the proper adjustment to the upper or lower shrouds while
observing the following rules.
If a take-up adjustment is indicated, go on the opposite
tack so that the shroud is more easily adjusted.
Always tack both directions to ensure straightness of the
mast.
If at all possible, avoid adjusting the upper shrouds since
this will affect the mast perpendicularity.
3.4.1 Weather Helm
The rake of the mast will affect the amount of “weather
Helm”! . Weather helm increases as the mast is raked aft
and decreases as the rake is reduced. Final adjustments to
rake should provide a slight weather helm in moderate wind
conditions.
3.5
CARE AND MAINTENANCE
The sails, spars, rigging, and associated hardware
constitute the main propulsion system for the yacht an4, as
such, deserve a measure of attention. Proper care of'sails
is of utmost importance if expensive replacements are to be
avoided and the recommendations of the sailmakers should be
followed closely. The stainless steel standing rigging is
virtually corrosion proof, and unless physically abused,
should give many years of trouble free service. Running
rigging when properly selected should also give good
service, but being subject to constant wear as well as the
deteriorating effect of sunlight, should be monitored on a
continuing basis to avoid inopportune failures. Hardware
such as winches, blocks, and travelers also need periodic
attention if they are to remain in first-class condition.
The following comments are intended as general guidelines.
Additional procedures can be added to suit the intended use
of the yacht.
3.5.1 Rigging and Lines.
Clean wire rope, swage fittings, and toggles with fresh
water and, if desired, a water soluble detergent. Use a
stiff brush or nylon scrubbing pads. Do not use steel wool
or cleansers containing chlorine.
When storing shrouds, stays, or halyards, wash with fresh
water, dry with a clean cloth, and store in a dry location
away from chemicals, oil, or other contaminants. Avoid
crushing, kinking, or coiling too tightly.