![background image](http://html1.mh-extra.com/html/nidec/leroy-somer-gearlec-gt3-16-5/leroy-somer-gearlec-gt3-16-5_installation-and-maintenance-manual_1687854013.webp)
2022.11 / o
13
Electric Power Generation
Installation and maintenance
GEARLEC - TRACTELEC
GT3 / TF3 / TM3
3472 en -
4.4 - Mechanical faults
See the alternator maintenance manual.
For the gearbox, follow the troubleshooting
guide below. Mechanical faults should be
noted with the machine disconnected from
the mains.
Fault
Excessive gearbox
temperature rise
Action
Check oil level
Source Lack of oil or incorrect oil level
Fault
Abnormal gearbox noise
Action
Change the bearings
Source
Faulty lubrication
Fault
Significant gearbox vibration
Action
Stop the machine
Source
Faulty universal joint coupling
4.5 - Electrical faults
Electrical faults should be noted with
the machine disconnected from the
mains.
See the alternator maintenance manual.
For the GEARLEC or TRACTELEC, follow
the troubleshooting guide below.
Fault
Voltage too high or too low
Action
Check the speed
Source
Faulty voltmeter, speed
incorrectly set
Fault
No voltage
Action
Check the alternator
Source See the alternator maintenance
manual
Fault
No voltage
Action
Check protection devices
Source
Circuit-breaker, reversing
switch, sockets
Fault
No voltage
Action
Check connections
Source Wire disconnected in the
terminal box
4.6 - Electronic faults
See the regulator maintenance manual,
reference
5243
.
4.7 - Dismantling the gearbox
During the warranty period, this
operation should only be carried out in
an LEROY-SOMER approved workshop
or in our factory, otherwise the warranty
may be invalidated.