Balance The Drive Rails; Behaviour In Cases Of Error; Moving Onto An Obstacle; Emergency Discharge During Blackout - Nussbaum JUMBO LIFT 3500 NT Instrucciones De Servicio

• Lower the vehicle to the desired working height or
completely lower it. Push the
(see figure 003).
• X-TEND: Lower the vehicle to the desired work-
ing height or completely lower it. Actuate the
"Lower" operating lever.
• The system is equipped with an CE-STOP.
During „LOWER" (3) to the lowest position, the sys-
tem stops at a height of 300 mm.
To allow the system to lower further, it is necessary
to release the „LOWER" button (3) and press but-
ton (3) and (4) again.
A signal tone sounds until the system has reached
the lowest position.
• The entire lowering process must be observed.
• If the lift is in the detectable lowest position, re-
move the polymer overlays and drive the vehicle
from the lift.
5.4

Balance the drive rails

See „Section 4.3 filling and venting the hydraulic
system".
6

Behaviour in cases of error

Defective operational readiness of the system may
be due to a simple error. Check the system for the
listed sources of error.
If the error cannot be removed after an inspection
to the named causes, then inform customer service
or your dealer.
Independent repair work on safety
devices of the lift and checking the
electrical system may only be done
by specialists.
Problem: Motor does not start
Possible causes:
No power supply
The main switch is not
switched on, or is de-
fective
Defective fuse
The "Lift" button is
o
defective
Motor has overheated
Motor defective
72
u „Lower" (3) button
Remedy:
Check the power supply
Check the main switch
Have fuses checked
Inform customer service
Let the water cool.
Cooling time depends on
the ambient temperature.
Inform customer service
Problem: Motor starts, load is not lifted
Possible causes:
Load is too heavy
u
Hydraulic oil filling level
is too low
Emergency discharge
fixture is not closed
Pressure line leaking
Hydraulic pump defective Inform customer service
The coupling between
the motor and pump is
defective
Defective cylinder
Pressure relief valve is
defective
Problem: The lift cannot be lowered
Possible causes:
Lifting table is sitting on
an obstacle
Hydraulic valve defective Inform customer service
The "Lower" button is
u
defective
6.1

Moving onto an obstacle

If the system moves onto an obstacle during lower-
ing, then it remains in position due to the mechani-
cal resistance. In this case, move the lift upwards by
pushing the o "Lift" (2) button on the operating pan-
el until the obstacle can be removed. Afterwards the
lift is in a normal work condition and can continue to
be operated as described in the operating manual.
6.2

Emergency discharge during blackout

An emergency discharge is an ac-
cess into the system controls and may
only be done by experienced spe-
cialists.
The emergency discharge must be
done in the following described se-
quence, otherwise it can lead to
damage and hazard to life and limb.
OPI_JUMBO LIFT 3500 NT_V3.1_DE-EN-FR-ES-IT
Remedy:
Unload the lift
Refill hydraulic oil
Check emergency dis-
charge fixture
Inform customer service
Inform customer service
Inform customer service
Inform customer service
Remedy:
See 6.1 Moving onto an
obstacle
Inform customer service