Westerbeke 33a User manual

At Westerbeke we
have always
ma intained MAXI
MU M
--
CONTINUOUS
----
-
a conservative policy in )0
rating our marineengines.
We have supported these
figures by accurate tech-
ffi
nical graphs. ~
, .,,"""''''' ~
~mENT
MAXIMUM _ I NTE
I
/ CONTINUOUS
We recommend,before W 20
purchasing any engine, ~
that you evaluate and 2
compare the various man-
ufacturers' power charts •
as they relate to horse-
power, particularly in the
R.P.M.s in which you ex-
pect to operate.
The Westerbeke 33a
with
91 cubic inch dis- •
, ..
,
CONTINUOUS
.... ",.,
•
•
•
ENG INE SPEED RPM
placement, develops use-
ablehorsepoweroI2 4h p @2000RPM and31hp @3000RPM.
Remember, displacement and horsepowerare proportio nal!
I NS TALLATION COMPARI SO NCHART
In Inch •• and Lb. ·W/Transml.alon
E .1GI ne Model d
lo pl. •length hei gh t wi dt h •weig
ht
UNIVERSAL 40 91 C.I. 36 .6 26.0
20 .3 490
YANMAR4JHE 100C .I. 35.0 25.9 22.1 516
WESTEABEKE 33a
91 C. I. 34.6 24.8 18.2 460
338,

A rugged four cylinder , fou -:: " cycle Dlarine engine
1__ -. . '
.~
""
DELUXE MULTI - FUNC T ION
ELECTRIC INSTRUMENT PANE L
I
~
g~~~~1~~ ~t:; ~5~I~ lt t ~ --- ,~~~ i=r~ t ~ ;tt "%~ ~ ~.L.. Includes hour meter, tacho meter ,
'i water temperatur e and oil
.o n ""'::,"J~ pressure guages, batte ry
Feature.
• Quality Construction -fresh water cooling with ther -
mostatic co ntrols , 50 amp alternator w it h radio shielding,
me tallic water piping wher ever possible fo r endu r ance ,
cog-ty pe alt ernator belts reduce slippage. gl ow plug cold
weat h er s tartin g aid, ove r- sized 3" diameter heat
exchanger.
• Parts Su pp ly - nationwide stock of parts for Wester bek e
engines a nd gene r ators means better serv i ce from an ex-
panding network of stocking distributors and dealers.
• Self Bl ee d ing Fuel Sys t em - r es tarts after running out
of fuel without manual air bleeding.
Specifications
v oltmeter , key switch, preheat
and start buttons , 15' co nnector ,
engine to instrument panel.
M ode l Number . . ......... .. . . .. W este rbeke 33a
Engine
Type. . . . . . . . . .4 cycle, water cooled, naturally
aspirated , vertical ove rh ead valve, diesel engine
Cylinde'r arrangement ................. 4 cylinde rs in line
Bore & Stroke. . . . . . ... 3.07"x 3.07 "( 78mm. x 78mm.}
Displac eme nt ......... . .. 91 cubic inch (1.490 litre)
Compression ratio . . ....... 23 to 1
No. of
main bearings. .. . . . . . . . . . . . .5
Fuel Injection
Pump .... Bosch type with individua l p lun gers
In
jectors. . ..... . .Pintle type
Combustion Chamber . . .Swirl type for easy s tartin g and
quiet ope ration
Firing
order. . . ... 1- 3-4-2
Governor . . . .Mechanical cen trifugal type
Fuel filter . . ... Pap er elem ent typ e
(
• Light Weig h t - alu min um water-cooled two-pass exha ust
manifold and flywh ee l housing, save weight without
sacrificing cast ir on head and block.
• Ease of Maintenan ce - removable end caps on heat ex-
ch
ange r for easy clean out , conve nient o il drain system
needs no h and pump , aU wiring is led to a single 8-pin con-
nector;
heavy duty zinc anodes for heat exchanger.
Lubricating
devic e .... Forced lubrication by trochoid pump (
Lub. oil filter
........ Full flow, spin on, paper el ement typ e
Starting motor .. . ........ Geared electric motor , 12 Volt.
• Excep ti onal Q ui etness - custom designed, tuned intak e
s
il en ce r reduces intake air noise; mo dern swirl type com-
bustion ch amber design softens diesel clatter .
Standard Equipment
• Alarm, l ow pr essu re, high water te mperatur e · Short pro-
file
2- 1 manual transmission · Adju sta ble flex isolator engine
mounts. Fr esh water cooling system . Coolant recove ry
tank · 12 volt 50 ampe re alternator · Glow plug cold wea th er
starting aid · Thr ottle, stop , and shift control brackets
• Operators manual · Engine pre-wired at the factory wi th a
single 8
pin connector · W ater in jected exh aust e lbow
• Flowco ntr o ll er -for easy con necti on of domestic h ot water
heater
Optional Equipment
• Various accessory fr ont pulleys · Hydro- Hush Muffler
• Sea Water Strain er · Alternator Output Splitter . Various
opt i ona l tr ansmissions · Front exha ust ou tl et fo r Vee Drive
applications
Performance Data
Maxim um P ower Output. ................. 33 13 000 RPM
Tpical Fuel Consumpt ion Rate ........... .063US gal/HPl hr
'IYpical Fuel Consumption Rate at 2500 RPM
When Wheeled to Thrn 3000 RPM ........ 1.2US gal/hr
Capacity of Lubri
cant. . . . . . . . . . ............ 4 .2 Qts
Capacity
of Coolan t. . . . . . . . . . . . . . . . . . . . .8 Qts
Starting
aid. . .... 12 Volt.sheathed type gl ow plug
Fuel pump . . .. Electric pl unger type
Dry weight of engine (wltrans .}. . ....... . ......... 480
Power take-off. . . . .... .. Various crankshaft pulleys
Prope ll er Rotation .................. .. ...... Right hand
c.tY".
Siphon Coupling Straight
bre aJc
WESTERBEKE
Call your Westerbeke representati ve
AVON IN~USTRIAL PARK,AVON, MA 02322-0'8' -(617}588-7700
C
AB LE: WESTCORP, AVON· TEL EX: 92-4444 Print&CI ln U.S.A.