Camper & Nicholson Nicholson 38 Owner's Handbook Manual page 13

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- secrion 3
C h e c k l e v e l r e g u l a r l y a n d e n s u r e t h a l n o u n d u e o i l o r s c u m i s
p r e r e n l . N o r m a l r u n n i n g l e m p e t a l u r e l 7 0 o F l 7 7 o t l '
T h e s a l t w a t e t c o o l i n g i n t a k e a l t h e a t t s t a r b o a r d e n d o f t h e
e n g i n e i s f i t t e d w i t h a s t r a i n e r w h i c h m a y b e r e m o v e d f o r
c l e a n i n g b y r u r n i n g o f f t h e w h e e l v a l v e , c l o c k w i s e , a n d t h e n
slackening the wing nuts al the top of the slrainer. The oval
cap plate can then be pivored aside and the mesh strainer
lifred out and cleaned. Bemember to open the seacock after'
wards.
The salt rvater f ;rst passes lhrough'the gearbox'and then to the
I , l l w a l e r c i , c r r l a l i n g p u m p . T h i s i s a J a b s c o t y p e w i t h a
r w h i c h s h o u l d b e c h e c k e d a n n u a l l y ' T h e
. ,
: i .
, i h r o u g h t h e h e a t e x c h a n g e r l h e n a t t t o t h e
. e n 5 s i t e n c e r w h e r e i t i s i n j e c t e d i n t o t h e e r h a u s t '
Exhaust
T h e e x h a u s t m a n i f o l d i s w a t e r c o o l e d b u t t h e p i p i n g f r o m
there to the Parsonr silencer is dry and so gets very hot. A
c o n v o l u t e d s l e e l s e c t i o n o f p i p e a l l o w s f o r e n g i n e v i b r a t i o n ,
this section should not be lagged. The lagged section to
the Parsons silencer is rigid. From this silencer a short
s e c t i o n o f m e t a l p i p e i s f o l l o w e d b y r e i n f o r c e d r u b b e r h o s e
a l l r h e w a y t o t h e l r a n s o m . A d r a i n c o c k i s f i t t e d a t t h e l o w '
e s t p o i n t i n t h e b o t t o m l o c k e r i n r h e a f t t o i l e t . A r t h e l r a n s o m
a r u b b e r M c M u r d o s i l e n c e r i s f i t t e d . T h i s i s o f r h e s e l f c l o s i n g
type preventing re-entry of water. A wheelvalve may also be
f i r r a r l i f r e n r r e < t p d
The gearbox has its own dipstick and, if the oil level registers
between the mark on the blade and the boilom of the dip-
s r i c k . t h e r e i s s u f f i c i e n r o i l i n t h e b o x ; c a p a c i t y 1 % p i n t s
(0.85 litres). The reduction box level is determined by a level
p l u g o n t h e s i d e o f t h e c a s i n g ; c a p a c i t y i s a p p r o x i m a t e l y %
p i n t ( 0 , 4 3 t i r r e s ) .
Sterntube greas€r
See Sterngear.
,-
E N G I N E - S e c t i o n 5
F U E L S Y S T E M
lf the luel reaches rhe fuel pump and is clean. free of water.
rrspended dirt, sand and other loreign maiter, and conforms
t o B . S . N o . 8 5 . 2 8 6 9 ( 1 9 5 7 ) C l a s s A , n i n e o u t o f t e n p o t e n t i a l
engine troubles will be eliminated. To assist in rhis two filters
are fitted but remember no warranties cover foreign matter
e n t e r i n g t h e e n g i n e s o f u e l s h o u l d b e f i l t e r e d t h r o u g h a f i n e
gauze when f illing the tank.
A g l a s s f i b r e t a n k o f 3 8 g a l l o n s ( 1 7 3 l i t r e s ) i s m a t t e d i n b e l o w
the cabine sole at the aft end of the saloon. A bolted cover
is fitted on the tank top, to take all connections and give access
when required. The f iller on the port side deck is engraved and
l i l l s d i r e c t t o t h e t a n k . T h e t a n k i s v e n t e d t o a f i t t i n g o n t h e
o u t s i d e o f t h e c o c k p i t c o a m i n g b y t h e w h e e l . A d i p s t i c k
c a l i b r a r e d i n g a l l o n s i s a l s o s u p p l i e d .
T h e f u e l s u c t i o n p i p e i s t a k e n d o w n t o a b o u t l " f r o m t h e
bottom of rhe tank then feeds to the glass bowl f ilter at the
forward starboard end of the engine room then to the fuel
E N G l N E . - S c r r i o n 4
L U E R I C A T I N G S Y S T E M
E n g i n e
T h e c a p a c i t y o f l h e e n g i n e l u b r i c a t i n g o i l s y s l e m i s 7 p i n t s
( 4 . 0 l i t r e s ) a n d i t w i l l n o r m a l l y b e f i l l e d w i t h e i t h c r E s t o H D )
2 0 o r S h e l l R o t e l l a 2 O | 2 O W w h e n i t l e a v e s t h e y a r d ; I o r
alternative oils, see lhe Perkins engine rnenual. A dips:tick ir l
cated on the starboard side of the engine rnd . pr?seltc gtugl
is fitted to the instrument panel. Oil pressure strould normtlll
b e b e t w e e n 3 0 ' 6 0 l b f / i n t ( 2 , t ' 4 , 2 k g l l c m t I r t n o r m r l
e n g i n e s p e e d a n d t e m p e r a t u r e .
The yacht may heel up to 3F without adverse elfect on thc
lubricalion system, providing she is righted occasionally in
order to lubricate the valve assembly. The engine tnty thut h
run with conf idence while beating to windward.
T h e r e i s a n o i l f i l t e r m o u n t e d o n t h c s t s r b o e r d r i d e o f t h c
c y l i n d e r b l o c k ( s e e e n g i n e m a n u a l ) . T h e e l e m e n t s h o u l d n o t t
cleaned, but should be renewed every 150 hours. or oncc r
year, whichever is the shorler period {see Engine.rnanualf .
E n g i n e o i l s h o u l d b e d r a i n e d l r o m t h e s u m p a n d r e n e w e d
every 50 hours running, or once a yea(. whichevcr is the shor
p e r i o d ( s e e e n g i n e m a n u a l l .
Gear box
This is a hydraulic aear box and a separate manual is isgcd
regarding it. Bearings in lhe reduction gearbox are bath lub
ricated, whereas those in the main gearbox are force lubricate
ln this respect it should be noted rhat rhe syslemt.rc nol
common and each must be lilled separately with the samc
l u b r i c a t i n g o i l a s r h e e n g i n e .
lift pump on rhe srarboard side. of the engine. A hind
priming lever is fitted on this pump. The fuel thcn pa$6
through a paper element filter and then to the fuel injccrio
pump. The fuel is then forced at high pres$rre to the four ir
iectors. Surplus fuel from the injectors is led back by r com
spill pipe and together with the surplus fuel from thc prpcr
element filrer is led back to a s€paretc fining in the mtin
tank top.
Auxiliary C]n.p. tanks may also be litted in rhe bottom ol
the cockpir lockers P & S. These lankt ara tifled through
liller pipes on the actual tank tops and s€p.ratr brcrthrr
pipes and dipsticks arc etso tirted. Thc port tsnk hrs r 25
gallon (114 litresl capacity and the srarboard rrnk 30 gallor
ll36 litres). The feed pipes from rhe bortorn of rhcsc bnkr
are f itred with wheel valves and then feed to thr m.in trnk
filler pipes.
Care should be taken not to overf ill the main tank rr thc
dipstick f irring may leak. Also ensurc the main trnk ir not r
too low as this will lead to air in tuel systern.
To Bleed Fuel Synem
1l Slacken bleed rrew on engine fitter and operare hand
p r i m i n g l e v e r , u n t i l l u e l w i t h o u t a i r i s p u m p e d o u t , t h e n
righten bleed screw.
2l Slacken small nut on extreme top. of iniection pump, op
erate'starter until neat luel is flowing, tighfcn nut.
3) Slacken any two injector nuts, operatc starler until fucl
spurting regularly, tighten nuts.
4) Start engine.
See also engine manual and diagrams.