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GENERAL INFORMATION
All users must read these operating instructions carefully
prior to the initial operation.
These instructions are intended to acquaint the user with
the product and enable him to use it to the full extent of its
intended capabilities.
The operating instructions contain important information on
how to handle the product in a safe, correct and economic
way. Acting in accordance with these instructions helps to
avoid dangers, reduce repair costs and downtime and to
increase the reliability and lifetime of the spring-balancer.
Apart from the operating instructions and the accident
prevention act valid for the respective country and area
where the spring-balancer is used, also the commonly
accepted regulations for safe and professional work must
be adhered to.
The user is responsible for the proper and professional
instruction of the operating personel.
CORRECT OPERATION
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This product has been designed to handle loads which
are constantly attached.
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The capacity (WLL) indicated on the spring-balancer is
the maximum safe working load, which must not be
exceeded.
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Do not use this product while personel is in the danger
zone.
-
Start moving the load only after it has been attached
correctly and all personel is clear of the danger zone.
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Prior to operation this product in special atmospheres
(high humidity, salty, caustic, alkaline) or for handling
hazardous goods (e.g. molten compounds, radioactive
materials), consult the manufacturer for advice.
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This unit can be operated in ambient temperatures
between -10°C and +50°C. Consult the manufacturer
in case of extreme working conditions.
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In order to ensure correct operation, not only the
operating instructions, but also the conditions for
inspection and maintenance must be complied with.
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If defects are found stop using the spring-balancer.
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For use in the food-industry consult the manufacturer.
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By using spot-welding guns take care that the product
is mounted insulated because of the leakage current.
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Do not knot or shorten the wire rope by using clamps,
screws, screwdrivers or other devices (Fig.6). Do not
use the wire rope over sharp edges.
-
The suspension (trolleys etc.) should be mounted so
that the load is kept perpendicular.
NCORRECT OPERATION
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Do not exceed the rated capacity of the spring-
balancer.
-
Welding on hook and wire rope is strictly forbidden.
The wire rope must never be used as a ground
connection during welding (Fig.1)
-
Side pull, i.e. lateral load on either housing or bottom
block is not permitted. (Fig.2)
-
Do not use the spring-balancer for transportation of
people (Fig.3)
-
Do not remove the safety latch from the hooks(Fig.4)
-
The load must always be seated in the saddle of the
hook. Never attach the load to the tip of the load hook.
(Fig.5) This also applies to the suspension hook.
-
Do not throw the spring-balancer down. Always place it
properly on the ground.
-
The unit must not be operated in potentially explosive
atmospheres.
INSPECTION BEFORE INITIAL OPERATION
GB
Each balancer must be inspected prior to initial operation
by a competent person. The inspection is visual and
functional and shall establish that the product is safe and
has not been damaged by incorrect transport or storage.
Inspections should be made by a representative of the
manufacturer or the supplier although the user company
can assign its own suitable trained personnel.
INSPECTION BEFORE STARTING WORK
Before starting work inspect the spring-balancer, wire rope
and all load bearing constructions for visual defects every
time. Furthermore test, that the load is correctly attached
by carrying out a short work cycle of lifting/pulling or
tensioning and releasing.
Inspection of top suspensions (trolleys etc.)
The suspensions like trolleys have to be inspected for any
wear or damages.
Inspection of top and bottom hooks
Inspect top and bottom hooks for deformations, damage,
cracks, wear or corrosion marks according to DIN 15405-1.
Inspection of the housing
Inspect the housing for deformations, damage, cracks,
wear or corrosion marks.
Inspection of wire-rope guide
Inspect the wire-rope guide for any wear or damages.
Inspection of wire-rope
For safety reasons the wire rope must be changed if the
amount of wire breakages is higher than a mandatory
amount.
The breakages must be counted along a wire rope length
of 6 resp. 30 times of the wire rope diameter .
The wire rope has to be changed if a complete cord is
broken, there is waviness, links or other wear and damage.
Decisive for inspection and maintenance of wire ropes are
DIN 15020-2 „Grundsätze für Seiltriebe, Überwachung und
Gebrauch" and ISO 4309 „Cranes - Wire ropes - Care,
maintenance, installation, examination and discard" as well
as the regulation of the country of operation.
The wire rope has to be replaced:
If the number of visible wire breakages is higher than a
mandatory amount.
If a complete cord is broken.
If the wire rope shows bulges, kinks, pinches,
consistent deformations, buckling, or any other
indication of excessive wear.
If the wire rope is damaged by any kind of heat
influence.
If the wire rope shows corrosion inside or outside.
If the wire rope is extremely worn due to insufficient
lubrication.
OPERATION
ADJUSTMENT OF SPRING TENSION
ATTENTION!
Before attaching, check if the total load, including all
accessories, is within the capacity range of the balancer.
Increase of spring tension (see. Fig.8)
Turn adjusting wheel (1) counter-clockwise until the correct
spring-tension is achieved. Over-tensioniong could cause
damages to the spring.
Decrease of spring tension
Turn
simultaneously stopping lever (2) slightly counterclockwise.
adjusting
wheel
(1)
clockwise
and
push
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