Emergency Discharge - ATT NUSSBAUM POWER LIFT HF 3S 3000 Manuel D'exploitation

Motor has overheated
Motor defective
Only 2 phases active
Insufficient hydraulic oil
available
Problem: The lift cannot be lowered
Possible causes:
The lifting arm has
moved onto an obsta-
cle
Operating lever defec-
tive
6.1

Emergency discharge

An emergency discharge is an ac-
cess into the lift 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
damage and hazard to life and limb.
People may not stand in the hazard-
ous area around the lift.
88
Let motor cool (cooling
time dependent on am-
bient temperature)
Do an emergency dis-
charge (see Section 6.1)
Do an on-site check with
a qualified electrician
Refill new hydraulic oil
Remedy:
Raise the lift and remove
the obstacle.
Notify customer service
Perform emergency dis-
charge. Slowly pull lever
9 Operating lever
21 Emergency discharge valve
Preparation
• Loosen and remove the plastic part (T-piece) of
the operating lever (9) at both screws on the side.
• Loosen and remove the stainless steel cover of
the unit.
• After the lift has been set down into the latch then
the lift must first be lifted (using a forklift, electrical
pallet truck or similar) out of the latch so that it
moves freely again. Then tie back the latch using,
e.g. a cable tie.
Emergency discharge:
• Push on the black cap (21) of the valve and at
the same time slowly pull the operating lever (9).
The lowering procedure begins immediately. Low-
ering speed can be varied by the lever position.
• The lowering process must be continuously ob-
served.
• Release the operating lever (9) to stop or if there
is a danger.
• Lower the lift to the lowest position.
OPI-POWER LIFT HF 3S 3000-4000-V3.2-DE-EN-FR-ES-IT
9
21
012
22