-
---------~------------
ALTERNATOR (Cont'd)
Disassembly
and
Assembly
(Cont'd)
Connect a D.C. test light as follows to check the diode trio
[A]:
IMPORTANT
Do
not
use voltage
which
is
more than
circuit
voltage
to
check
the
diode
trio
or
the rectifier on
the alternator.
1-2026-0284
Between a single connection and one of the three
connections. Connect the tester in the opposite direction.
The
light must come
ON
in
one direction, but not
in
the
other direction.
Check each diode with the same procedure.
Connect a test
light as follows to check the rectifier [B]:
Between one connection and insulated heat sink.
Connect the test
light
in
opposite direction. The light must
come
ON
in
one direction, but not
in
the other direction.
Between one connection and the grounded heat sink.
Connect the test
light in the opposite direction. The light
must come
ON
in
one direction, but not
in
the other
direction.
Assembly: Reverse the order of disassemble.
Also
if
the regulator was removed, install new insulated
washers and spacers [C].
A
A-Q2382
C Insulated Washers
8-02128
When installing the brushes, put a piece of straight wire D
through the housing to hold the brushes
in
the up position
[0].
Then install the rotor, when in position pull the wire out to
seat the brushes.
741,742,743,
743DS Bobcat Loader
Service
Manual
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