LGMG AS0607E, Maintenance Manual

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Maintenance Manual of Elevating Work Platform
21
greater than 10mm, apply lubricant between the
steering knuckle and copper gasket.
If the measured result of AS0812E/AS1012E/
AS1212E is greater than 19mm, apply lubricant
between the steering knuckle and copper gasket.
5)
Measure the distance between the chassis
bushing and the upper cover plate of steering
knuckle.
a) Result:
If the measured result of AS1413E is not greater
than 9mm, replace the nylon gasket.
b) Result:
If the measured result of AS1413E is greater than
9mm, not replace the nylon gasket.
△
!
Notice: please contact LGMG for
copper gasket, if necessary.
B-17
Check and Replacement of Electric Brush
△
!
Warning: Charged motor power
system: Be careful when checking
brushes; first disconnect battery.
Periodic Check
Check the motor at least once semiannually in the
following method:
1) Conduct external check, keep the outer surface
of the motor clean.
2) Open the protective cover and clean carbon
deposit.
3) Check or replace the bearing, and during
running, carefully listen whether or not there is
any abnormal noise in the bearing.
4) Check the wear of the electric brush, and
where appropriate, replace the electric brush
Fault Cause Troubleshooting
Blackening of
commutator,
excessive
wear of
electric brush
or large spark
Overload
Reduce loads and
operating frequency
Reduction in
pressure caused
by seize of
electric brush or
annealing of
spring
Clean carbon
deposit, check the
cause and replace
the spring.
Inappropriate to
electric brush
Replace as per the
designation and
size of the original
electric brush for the
motor.
Serious carbon
deposit in the
motor
Clean carbon
deposit
Replacement of Electric Brush