Jungheinrich ECE 220 Standard Operating Instructions Manual page 55

Work on the electric system: Work on the electric system of the truck must only be
performed by personnel specially trained for such operations. Before commencing
any work on the electric system, all measures required to prevent electric shocks
have to be taken. For battery-operated fork lift trucks, the truck must also be depow-
ered by removing the battery plug.
Welding operations: To prevent any damage to electric or electronic components,
these have to be removed from the fork lift truck before any welding operations are
undertaken.
Settings: When repairing or replacing hydraulic, electric or electronic components or
assemblies, all truck-specific settings have to be retained.
Tyres: The quality of the tyres greatly affects the stability and the driving behaviour
of the fork-lift truck. The factory-mounted tyres must only be replaced by original
spare parts of the manufacturer, since otherwise the specification of the data sheet
cannot be met. When replacing wheels or tyres, it must be ensured that the fork-lift
truck remains level (tyres and wheels must always be replaced in pairs, i.e. left and
right together).
Lift chains: The lift chains wear rapidly if not lubricated. The intervals in the service
checklist apply to normal duty. If requirements are higher (dust, temperature), lubri-
cation is required more often. The specified chain spray must be used as specified.
The external application of grease does not provide sufficient lubrication.
Hydraulic hoses: The hoses must be renewed every six years. When replacing hy-
draulic components, also renew the hoses in this hydraulic system.
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