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Yanmar 3GMD - Electrical Protection

Yanmar 3GMD
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188
At80° F
to the alternator mounting bracket or an-
other good engine ground and not the bat-
tery itself.
2.
Check
that all
jumper
cables are out
of
the
way
ofmov-
ing parts on
both
engines.
3. Start the engine
with
the
good
batteryand run at a mod-
erate speed.
4. Start the engine
with
the discharged battery.
Once
it
starts, run it at a moderate speed.
CAUTION
Racing the engine may damage the electri-
cal system.
5.
Remove
the
jumper
cables in the exact reverse
order
shown
in Figure 11.
Begin
at point 4,
then
disconnect at
points 3, 2 and 1.
Battery
Cables
Poor
terminal connections will cause excessive resis-
tance. Defective cable insulation can cause partial short
circuits.
Both
conditions
may
result in an abnormal volt-
age drop in the starter
motor
cable.
When
this happens,
the resulting hard-start condition will place further strain
CHAPTER NINE
Battery
Make connections in numerical order
(disconnect in reverse order 4-3-2-1)
Discharged battery
on the battery.
Check
cable condition and terminal con-
nections periodically.
ELECTRICAL PROTECTION
Some
electrical systems are equipped
with
a battery
cutoff
switch connected
between
the positive terminal
of
the batteryand the startersolenoid. The switch provides a
means to cut
off
all circuits from the battery in case
of
fire

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