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REHOBOT CF Serie Instrucciones De Uso página 6

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Thank you for the faith you have shown in us by choosing a REHOBOT
product. REHOBOT stands for products of high quality and it is our hope
that you will be able to use this product for many years.
To avoid functional disturbances, we recommend that you read these
instructions thoroughly before using the product.
System construction
Always plan a hydraulic system by choosing products that are suitable
for the task in hand. Check product limitations regarding pressure range,
lifting capacity and compatibility. The maximum working pressure of the
system must not exceed the maximum working pressure of any product in
the system.
We recommend the use of pressure gauges with any hydraulic system to
ensure that it is operated within its safe working range.
Make sure that all hydraulic hoses, connections, etc., are connected to
the right connection port (pressure or return port) on the pump, ram,
valve or other hydraulic component.
Operation
Support the ram on or against a solid, fl at surface before lifting. Never
lean over a pressurized ram or pump lever. Before lifting, secure the load
so that it cannot roll or slide.
Never work under a raised load without fi rst supporting it on axle stands
or some form of mechanical support.
Never disconnect a ram from the pump when the hydraulic system is
pressurised.
Uneven loading
Make sure the ram supports the load at right angles to the surface. Avoid
uneven loading, i.e. situations where the load is not carried through the
centre of the lifting plate. Uneven loading puts unäfavourable stresses on
the ram and can lead to permanent damage. Avoid point loads - spread
the load across the lifting plate whenever possible.
Overloading
Do not lift any load that exceeds the rated capacity of the ram. Overlo-
ading may damage the equipment and cause personal injury. A ram can
support maximum load on the piston stop ring/glands. However, avoid
loading a ram when it is fully extended as this causes unfavourable stres-
ses. Therefore choose a ram with a slightly longer stroke than is neces-
sary for the intended application.
Hoses
Do not let hoses become twisted or sharply bent. If hydraulic pressure is
äapplied to a distorted hose it can cause an unfavourable rise in pressure
that may damage the equipment.
If hoses are badly bent or twisted it may lead to internal rupture and
excessive wear.
Do not let sharp or heavy objects rest on the hose or run over it. Never lift
or carry hydraulic components by the hose or connections
Aluminum cylinders
Note! The REHOBOT range of CHFA aluminium cylinders are aimed to be
used intermittent and in low-cycle applications such as normal mainte-
nance and lifting operations. These aluminium cylinders are designed to
provide a lifetime of at least 5.000 cycles and should therefore NOT be
used in high-cycle operations like production lines etc. Use of these cyl-
inders beyond their rated life can lead to sudden failure without warning
and could cause property damage, injury, or death.
REHOBOT Hydraulics AB
Skjulstagatan 11 A, 632 29 Eskilstuna, SWEDEN P.O. Box 1107 631 80 Eskilstuna
T. +46 (0)16 - 16 82 00 F. +46 (0)16 - 13 93 16 info@rehobot.se www.rehobot.se
Accessories
When connecting accessories such as a chain attachment, extension tubes,
pressure heads, etc., make sure that they are connected in a safe manner.
The capacity rating of a tool indicates the maximum force available from
the tool. When using accessories, such as an extension tube, clamp heads,
etc., the maximum force cannot be used for reasons of safety. REHOBOT
or authorised REHOBOT dealers will gladly give you advice on individual
situations.
Heat
Avoid exposing hydraulic equipment to temperatures higher than 50
Heat can destroy gaskets and hoses.
Bleeding the hydraulic system
Air can collect in the hydraulic system when hoses or tools are connected
and this can lead to problems in operation. To bleed the äsystem run the
tool or ram through 3-4 cycles (pumping to full extension then releasing)
without any load. At the same time make sure that the tool or ram is kept
lower then the pump so that air can travel back to the oil reservoir in the
pump. Then bleed the pump oil reservoir. Top up the pump with oil if neces-
sary.
Maintenance
Hydraulic equipment must be serviced and maintained regularly to keep it
in good working condition. For safety reasons it is important that hydraulic
products are serviced and maintained by experienced personnel. If in any
doubt, contact your dealer for information about the nearest authorised
service agent.
Always use original REHOBOT spare parts. Lubricate moving parts as neces-
sary with a high quality grease. Always use high quality hydraulic oil with
good low temperature äproperties.
Storage
When hydraulic equipment is not in use:
Clean the equipment, make sure the hydraulic system is not
äpressurized and store it somewhere clean and free from damp. Make sure
the equipment is not subject to extremes of temperature.
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C.

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