Balance The Drive Rails; Behaviour In Cases Of Error; Moving Onto An Obstacle; Emergency Discharge During Blackout - Nussbaum JUMBO LIFT 3500 NT Mode D'emploi

• Lower the vehicle to the desired working height or com-
pletely lower it. Push the
ure 003).
• X-TEND: Lower the vehicle to the desired working height
or completely lower it. Actuate the
lever.
• The system is equipped with an CE-STOP.
During „LOWER" (3) to the lowest position, the system
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 button (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, remove the
polymer overlays and drive the vehicle from the lift.

5.4 Balance the drive rails

See „Section 8.3 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 defective
Defective fuse
The o "Lift" button is
defective
Motor has overheated
Motor defective
OPI_JUMBO LIFT 3500 NT_V4.0_DE-EN-FR-ES-IT
u „Lower" (3) button (see fig-
u "Lower" operating
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
Hydraulic oil filling level is
too low
Emergency discharge
fixture is not closed
Pressure line leaking
Hydraulic pump defective
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
The "Lower" button is
u
defective

6.1 Moving onto an obstacle

If the system moves onto an obstacle during lowering, then
it remains in position due to the mechanical resistance. In
this case, move the lift upwards by pushing the
button on the operating panel 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 oper-
ating manual.

6.2 Emergency discharge during blackout

An emergency discharge is an
access into the system controls and
may only be done by experienced
specialists.
The emergency discharge must be
done in the following described
sequence, otherwise it can lead to
damage and hazard to life and
limb.
Remedy:
Unload the lift
Refill hydraulic oil
Check emergency discharge
fixture
Inform customer service
Inform customer service
Inform customer service
Inform customer service
Inform customer service
Remedy:
See 6.1 Moving onto an
obstacle
Inform customer service
Inform customer service
o "Lift" (2)
81