4 Operation
Lifting
6341_862-001
Reversible fork arms (1) can be used to reach
an additional lift height. The reversible fork
arms are installed on the fork carriage in the
same manner as standard fork arms. Loads
may be lifted on and beneath the reversible
fork arms. The mast is lifted and tilted in the
same manner.
– Only work in reverse operati
on using
reversible fork arms
– Do not use a fork extension (variant)
– If the "load measurement" comfort feature
is available, perform a "zero adjustment of
the load measurement"
– To drive, raise the load ce
ntre of gravity (2)
to a max. of 600 mm above the
ground
– Observe the information in the section
entitled "Transporting suspended loads"
Malfunctions during lifting mode
Incorrect extension sequence
DANGER
Risk of accidents!
With triple masts (variant), an incorrect extension
sequence may occur, i.e. the inner lift mast may
extend before the free lift has finished. As a result,
the overall height is exceeded and damage may
occur in passageways or from low ceilings.
An incorrect extension sequence may, for
instance, result from:
• The hydraulic oil temperature being too low.
• The fork carriage becoming blocked in the
inner lift mast.
• Blocking of the free lift cylinder.
• The chain roller becoming blocked at the
free lift cylinder.
– If the hydraulic oil temperature is too low,
slowly actuate the lift mast functions several
times in order to raise the oil temperature.
In the event that the fork carriage is blocked
in the inner lift mast, or the free lift cylinder
or chain roller are blocked, the cause of the
blockage must be eliminated before resuming
work.
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171533 EN - 02/2019 - 19
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