Camper & Nicholson Nicholson 38 Owner's Handbook Manual page 11

S A I L I N G E O U I P M E N T - s e c t i o n 6
2 l T h e H e c t a m a y b e l i t t e d w i t h a s e c o n d t r a n s d u c e r i n w h i c h
c a s e l h i s i s f i t t e d o n t h e p o r t s i d e i n t h e l o c k e r u n d e r t h e
slove. The Hecta transducers may be removed with the
y a c h t a f l o a t a s b l a n k i n g c a p s a r e s u p p l i e d t o s c r e w o v e r t h e
hole. lf the transducers are removed for any reason be care
f u l n o t t o l o s e t h e l o o s e r e t a i n i n g r i n g s . l f a r e p e a t e r d i a l
lead is disconnected a shorting plug must be f itted in its
p l a c e . A c i l i b r a l i n g r r e w i s f i t t e d o n r h e b a c k o f t h e i n -
slrurnenl. See also Manufacturers booklet.
The most common fault with echo sounders is marine growth
on the lace of the transducer which musl be cleaned care-
fully. notscratched. Never Anti-foul the faccs.
Speedlogr
1 l T h e s u m l o g i s d r i v e n b y a n y l o n i m p e l l e r o n a f i x e d b r a c k e t
under the hull to port of the engine. A stainless steel flex-
i b l e d r i v e i s t a k e n t o t h e , i n s t r u m e n t t o p o r t o f t h e w h e e l .
l2 volt illurnination is arranged with the switch by the
engine starter panel. The impeller is robtr?t and does not foul
e a s i l y b u t c a n o n l y b e c l e a r e d b y s l i p p i n g t h e y a c h t o r
swimming. This log cannot be adjusted and usually over-
r e a d s l 0 % .
2) The Ha-rrier is fitted with either one or two impellers fitted
u n d e r l h e f o r w a r d c a b i n s o l e l o p o r t o f t h e t o i l e t . A l w a y s
r e t r a c l t h e s e w h e n n o t i n u s e . l f a n i m p e l l e r g e t s f o u l e d
h i n d t h e b u l k h e a d l i n i n g u p t o t h e t r a n s m i t t e r . T h e e a r t h i n g
p l a t e i s a " D y n a p l a t e " a n d s h o u l d n o t b e a n t i f o u l e d . F o r
funher details of radio see Manufacturers booklet.
Auto Pilot
T h e N e c o M k l l i s w i r e d e n t i r e l y i n d e p e n d a n t l y o f t h e r e s t o f
the yacht and has its own masler saritch and two fuses under
the chart table to starboard of the rnain battery switches. The
sensing unit is fitted under the f6rward saloon s€ttee just aft
of the mast and must be free to swing in its gimbals. Also
rvoid stowing magnetic articles in this locker. lt is important
that if the steering chain is disconnected for any reason this
shoutd be profesionally re-aligned as otherwise there is a
possibility of damaging the steering gear and bending the
rudder stock.
The manufacturers handbook should be closely followed,
common fautts (fuses etc.) and their remedies are listed there
in.
It is most important to switch of f the auto pilot masler
switch when leaving the yacht as there is a possibility of run'
ning down the batleries if this is left on.
w h i l e u n d e r w a y r o r a r e i m p e l l e r l 8 O o . i f t h i s f a i l s w i t h d n w
a n d f i t b l a n k i n g c a p , w h i l e c l e a n i n g i m p e l l e r . T h c l a t t e r
should rotate freely when blown at.
Calibrating screws for speed end distance tra fittcd rt thr
- back of the instrument. For futher details scc Mtnuf&.
turers booklet.
Radio '
lf reception only ii required an insulated wire is raped to thc
starboard mizzen cap shroud and led through a deck in$l.tor
to the radio over the chart table.
lf a transrnitter is installed the Tx aerial (230O36 Typc g
Cable) leads from the set over thc chrrt trbl: undrr thr rur.
board side deck, through a deck inslator to the starboard
mainmast cap shroud which is insulated at top and bottom
by No. 7 Norseman insulators. The sray is insulated from the
spreader by Nylon tube and a jumper wira connects thr st.y
to a triatic aerial wire between the mastheads. A special
aerial elastic and glass insulator are fitted with a Terylcne
lanyard to the mizzen head. lt is important when refitting
to ensure rhat all aerial connections are clean and well medc.
lf a!ailor Locator D.F. set or Sestrel Hand Bearing comprs
is used ensure the batteries have non-magnetic cases.
A specially designed earthing plate is used for earrhing thc
transmitter. This is bolred rhrough rhe hull under the cabin
sole under lhe charr table. A copper earthing strip is fitted bc-