STARTING
SWITCH
SOLENOID
RELAY
TERMINAL
MARKED
BATTERY
BAYONET
TYPETERMINAL
1
\
ELECTRICAL
SYSTEM
GROUNDING
TERMINAL
1
BAlTERY
+
I
STARTER
SOLENOID
Neutral
safety
switch
(if
used)
ALTERNATOR
OIL
PRESSURE
ENERGIZING
SWlTCH
FIG.
12.
WIRING DIAGRAM
NOTE: Wiring diagrams of all
standard applications are
available from Lehman on request.
FIG.
13.
/
TACHOMETER
TAP
Lubrication
System
The engine lubricating system is of the forced feed type, the oil being circulated by an oil pump mounted with the
crankcase. The pump draws oil from the sump through a metal gauze screen and through an oil gallery on the port
(left) side
of
engine which is tapped for installation
of
oil pressure gauge, low oil pressure alarm, or other such
devices. Constant oil pressure is maintained by means of a relief valve situated in the pump. Oil under pressure
passes through the oil filter where it is cleaned prior
to
being circulated inside the engine. The filter is a full-flow,
disposable “spin-on”type. It should be replaced at each oil change, and is readily available from your Lehman dealer.
All marine installations should include an oil pressure gauge to register the lube system pressure and such gauge
should be frequently checked to insure that system is functioning correctly. Normally the registered pressure should
remain constant for a given engine speed. If pressure reading suddenly varies or fluctuates, the reason should be
determined at once, otherwise severe damage may occur.
As
it is difficult
to
maintain a constant watch on engine
gauges, the use of an audible warning system to sound a buzzer in case of low oil pressure (or high engine
temperature)
is
strongly recommended
-
Lehman has kits EK31 and EK31 A available now fitted
as
STD
in
Lehman
panels,
-
contact your dealer for further details.
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