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Kohler 27EFOZ Service Manual

Kohler 27EFOZ
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TP-5936 7/04 37Section 8 Component Troubleshooting
Section 8 Component Troubleshooting
8.1 General
Hazardous voltage.
Can cause severe injury or death.
Operate the generator set only when
all guards and electrical enclosures
areinplace.
Moving rotor.
WARNING
Short circuits. Hazardous voltage/current can cause
severe injury or death. Short circuits can cause bodily injury
and/or equipment damage . Do not contact electrical
connections with tools or jewelry while making adjustments or
repairs. Remove all jewelry before servicing the equipment.
See Figure 8-1 through Figure 8-2 for component
testing.
With the generator set battery connected, check the
generator wiring harness and the components listed in
the following tables. Check each component using a
multimeter to verify that the switches function and that
voltage is present at each component.
Component Voltmeter Connections Procedure Results
Hourmeter and wiring Connect the red test lead to
the hourmeter positive (+)
terminal. Connect the black
test lead to the hourmeter
negative (--) terminal.
Set the voltmeter to 12 volts
DC or greater. Start the
generator set.
A 12 volt DC reading
indicates the wiring harness
is functional.
None (see Procedure) Disconnect the hourmeter
leads and apply 12 volts DC
to the hourmeter. The
hourmeter is polarity
sensitive.
If functional, hourmeter
operates.
Stator auxiliary winding B1
and B2
Connect the AC voltmeter
leads to the B1 and B2
windings at connector P11.
Stop the generator set.
Connect a voltmeter to the B1
and B2 windings. Crank the
generator set and allow the
set to reach rated its speed.
A reading of 12--15 volts AC
indicates a functional B1/B2
winding.
Figure 8-1 Engine/Generator Component Testing, Relay Controller

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Kohler 27EFOZ Specifications

General IconGeneral
BrandKohler
Model27EFOZ
CategoryPortable Generator
LanguageEnglish

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