Vetter Mini Lifting bags 8 bar (116 psi) - Manual (Page 12)

Vetter Mini-Lifting Bags 8.0 bar
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4.3 Dismantling of the lifting bag system
after use
Dismantling of the lifting bag system is carried out after ensuring
the lifted load and complete deflation of the lifting bag system,
including dismantling of all accessory parts in the reverse order.
4.4 Limit for the period of use
Mini-Lifting Bags are subject, the same as other rubber products,
to natural aging. The first sign of material aging is the loss of fle-
xibility, this is especially seen in the formation of „age cracks“. If
these cracks propagate so far along the upper layer so that the
supporting cord layer (steel or Aramide) is no longer fully insula-
ted then this can quickly limit the tear resistance of the bag wall.
This can cause wall tearing and thus lead of bursting.
The experiences gained in the last decade have clearly shown
that the general failure rate with rubber products considerably
increases from a period exceeding 15 years. Therefore Mini-Lifting
Bags should be replaced after 15 years, 18 years is the maximum.
The danger for rescue services when using aged Mini-Lifting bags
should never be underestimated for welfare reasons. It should be
stressed that although there is currently no regulation about the
maximum time limit, the responsibility rests fairly and squarely
with the user and the inspector commissioned by him.
4.5 Care, maintenance and storage
The lifting bag equipment is to be cleaned after each operation.
Cleaning is normally carried out with warm water and a detergent.
Cleaning must never be carried out with
a chemical cleaning agent and never
with high-pressure hot water devices.
Drying is made at normal room temperature. A bag is to be imme-
diately discarded if, during inspection, any sign of damage is esta-
blished (refer to Page 6). Repair is not possible. If needed, compo-
nents such as manometers, safety valves and piston valves can be
exchanged. Hose couplings and nipples can also be exchanged.
After necessary repair, the equipment is to be checked according
to the repetitive tests. This special test is also to be documented.
DIN 7716 is to be observed for long-term storage.
The VETTER guarantee is 36 months for Mini-Lifting Bags.