Moving Onto An Obstacle; Emergency Discharge During Blackout - Nussbaum JUMBO LIFT 3200 NT Manuel D'exploitation

7.1

Moving onto an obstacle

If the system moves onto an obstacle during lowe-
ring, then it remains in position due to the mecha-
nical resistance. In this case, move the lift upwards
by pushing the o "Lift" (2) button on the operating
panel until the obstacle can be removed. After-
wards the lift is in a normal work condition and can
continue to be operated as described in the ope-
rating manual.
7.2

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 se-
quence, otherwise it can lead to da-
mage and hazard to life and limb,
Any kind of external leakage is not
permitted and must immediately ta-
ken care of. This is absolutely neces-
sary especially before an emergency
discharge.
Reason which make an emergency discharge ne-
cessary are for example, electrical blackout, for
errors in the lowering valves, etc.
5
6
1 Main switch
5 Access to the balance screws with locking nuts
6 Access to the emergency discharge screws with locking nut
56
• Turn off the main switch (1) and secure against
unauthorized switch on. Disconnect power.
Inspect the hazardous area. No person or ob-
!
ject may stand in the working area of the lift, or
on the lift.
• Remove the covers for the emergency dischar-
ge screw accesses (6) on both sides.
• Loosen the locking screws (SW17) of the emer-
gency discharge screws "N1" (14) and "N2" (15).
• Initially, using an Allen key (SW5), slowly unscrew
the emergency screw N1 by 1/4 turn.
Caution: During this process a drive on rail of
!
the lift will lower somewhat (approx. 5 cm). Lo-
wering can be interrupted by closing the emer-
gency discharge screw.
• Subsequently unscrew the opposite emergency
discharge screw slowly a little.
The lowering process starts immediately. The
!
speed can be influenced by the degree the
emergency discharge screw is opened.
• Lower the lift to the lowest position.
• The entire lowering process must be continuously
observed.
• Afterwards, remove the polymer overlays and
drive the vehicle from the lift.
• After finishing the emergency discharge, close
and lock the emergency discharge screws N1
and N2 again.
• If required, defective parts must first be replaced
before the lift is put into operation again. For this,
inform customer service.
Turn the main switch off and secure
against restart. Shutdown the lift un-
til all defective parts have been ex-
1
changed.
After exchange of defective parts a "Vent of
!
the hydraulic system" must be done.
003
JUMBO LIFT 3200 NT - HYMAX XX 3200 PH Version 1.0 20110009 OPI