ALTERNATOR (Cont'd)
Checking The
Alternator
Regulator (Cont'd)
Connect the positive (+) voltmeter lead to the positive (+)
battery terminal and connect the negative
(-)
voltmeter
lead to the negative
(-)
terminal
[A].
A
WARNING
Put jackstands under
the
front
axles and rear
corners
of
the
frame before
running
the
engine
for service. Failure
to
use
jackstands can
allow
the machine
to
fall
or
move
and cause
injury
or
death.
W-2017-0286
A
WARNING
When an engine is
running
in
an
enclosed
area, fresh
air
must
be added
to
avoid
concentration
of
exhaust
fumes.
If
the
engine
is stationary,
vent
the
exhaust outside.
Exhaust
fumes
contain odorless,
invisible
gases
which
can kill
without
warning.
W-2050-1285
Start and run the engine at 1500-2000 RPM. The
voltmeter reading should be between 13.9-14.7 volts
[A].
If
the reading is low, stop the engine and disconnect the
battery.
Remove the screws and
pull the regulator cover away
from the alternator. Connect the jumper wire from the
ground stud (Item
1)
[B]
to the brush terminal (Item 2)
[B]
(the tan wire).
Connect the battery and start the engine. Run at 1500
RPM
. DO NOT allow the meter to exceed 16 volts.
If
the reading is 14.5
or
above, replace the regulator.
If the reading is 14.5 or below, repair or replace the
alternator.
A
B
-6-10-
8-03710
8-08068
8-09569
741, 742, 743, 7430S Bobcat Loader
Service Manual
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