Inspection And Maintenance Instructions - Pfeifer HIT Traduction Des Instructions D'utilisation Et D'installation

11.3 Holding the load
• Keep the release valve closed when holding the load.
The load is held independently by the non-return
valve.
• Never leave the load unsupervised in a suspended
state without additional support.
• If working under the load is unavoidable, use suitable
supports to make sure that the load cannot lower
inadvertently.
11.4 Lowering the load
• Before lowering the load, make sure there are no
obstacles or body parts in the vicinity of the lowering
load. The lowering path must be clear.
• If necessary, raise the load slightly to remove any
additional supports.
• Always rotate the claw over the base plate so that it
comes to rest inside the base plate when retracted.
• Open the release valve slowly and carefully by turning
anticlockwise.
• The direction is identified with the following symbol:
• To lower the hydraulic jack without load it is necessary
to exert manual force to the head or the foot claw.
Fig. 11.4.1
Fig. 11.4.2
CAUTION:
The lowering speed will increase if the
valve is opened too quickly and too far.
The operator is responsible for ensuring a
fine, gentle lowering procedure.
NOTICE: Markings (symbols) must be
replaced if lost.
11.5 Ending operation
Fully retract the piston rod after the operation is
completed.
12. Inspection and maintenance
instructions
12.1 General remarks
• The hydraulic jack must undergo a statutory DGUV
inspection at least 1x annually. More frequently if
subject to heavy use. Inspection intervals must be
determined by a qualified person.
• The regular statutory inspection may only be
performed by Qualified Persons for Hoists in
accordance with the German Operating Safety
Ordinance (BetrSichV).
• Inspection and maintenance and any minor repairs
may only be undertaken by qualified personnel, such
as persons with knowledge of hydraulic plant or
persons with equivalent training.
• Inspection and maintenance intervals must be
complied with. Worn parts must be replaced
promptly.
• If equipment is out of use for 3 to 12 months it must
undergo at least a recommissioning inspection as per
the initial commissioning. The date of the DGUV
inspection must also be taken into consideration. If
equipment is out of use for longer than a year the
DGUV test must be carried out in any case before
recommissioning.
• The inspection must be performed on the unloaded
hydraulic jack. Unload the hydraulic jack by
appropriate actions.
• Only use original accessories and spare parts,
otherwise safe operation can not be guaranteed.
CAUTION: Dangerous situation with threat
of damage to property if it is not avoided.
HIT-Hydraulikheber 12/2019 / Änderungen vorbehalten!
9