
W 42B FOUR SYSTEM SPECIFICATIONS
Operating Oil Pressure
Oil
Grade
ELECTRICAL SYSTEM
Starting Battery
Battery Capacity
Starting Aid
Starter
Motor
DC No-Load Current
Cold Cranking Current
Alternator
Regulator
TRANSMISSION
General
(JS Transmission)
Standard Gear Ratio
Propeller Shaft,
Direction of Rotation
Propeller Recommendations
(using
JS transmission
2.47:1 reduction)
Lubricating
Oil Grade
SAE Grade
Transmission
Sump
Capacity
Weslerbeke Diesel Engines
35 - 55 psi (2.46 - 3.86 kg/cm
2
)
API
specification CC
or
CD
12-Volt,
35
A-H,
(-)
negative ground
(recommended) (45 A-H
cold areas)
90 - 125 (Ampere-Hours)
12-Volt sheathed type
glow
plug
12-Volt,
1.2KW, solenoid, actuated shift
60 Amps at 11.5
Volts (6500 rpm, min.)
190 Amps at 12
Volts
12-Volt
DC,
50
Amps
Internal regulator, built into alternator
14.4
Volts DC ± 3 Volts
Case-hardened helical gears, with an intermediate
reverse gear. Reversing carried out
by
a servo
double disc system.
2.47:1
Right handed - standard transmission
18 D x 13
P - 2 blade
or
18 D x
11
P - 3 blade
Propeller should
allow the engine
to
reach
its full rated
RPM
(3600 + 000 - 100) at full open
throttle
while underway.
API
specification
of
CC,
CD, SC,
SD,
or
SE
SAE 20W/20
or
SAE
30 exclusively
(DO
NOT
mix grades
of
oil
!)
(DO
NOT
use multigrade oils
!)
1 q!
(1
liter)
20
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