LGMG North America Inc. Maintenance Manual
3
1.1 Compliance
1)
The operator can only perform routine
maintenance items as specified in this
manual.
2)
Regular maintenance inspections should
be performed by qualified authorized
service technicians as required by the
manufacturer.
Maintenance Symbols
The following symbols appear in this manual to
indicate
the
relevant
meaning
in
the
maintenance instructions. When one or more
symbols appear in front of the maintenance
procedure, the meanings expressed are as
follows.
Indicates a tool required to perform this
procedure.
Indicates a new part required to perform this
procedure.
Indicates that the engine must be cooled down
before carrying out this procedure.
1.2 Checking the Batteries
Sound battery condition is critical for good
engine performance and safe operation of the
machine.
Improper
electrolyte
levels
(if
applicable) or damaged cables or wires may
cause damage to engine components and bring
hazardous conditions.
△
!
Note: Checking electrolyte level is
not required for machines with sealed
or maintenance-free batteries.
△
!
Warning: danger of electric shock.
Contact with an electrical circuit may
result in death or serious personal
injury. Take off all rings, watches and
other jewelry.
△
!
Warning: danger of bodily injury.
The battery contains acidic substances.
Avoid overflow of the acidic substance
or contact with it in the battery. Use
soda and water to neutralize any
overflowed acid.
1)
Wear protective clothing and protective
glasses.
2)
Make sure the battery cables are firmly
secured and not corroded.
3)
Make sure the battery hold-down bracket is
secure.
△
!
Note: Adding a terminal protector
and an anti-corrosion sealant will help
prevent corrosion on battery terminals
and cables.
1.3Maintenance of
worm-Type Slewing Drive
There are three positions to be lubricated on the
worm-type
slewing
drive
assembly,
i.e.,
lubrication of the roller path (Position I),
lubrication of the engaging position (Position II)
between the worm and the slewing bearing, and
lubrication of the tapered roller bearing (Position
III). The specific lubrication positions are shown
as below:
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