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Part no
6159948691
Issue no
3
Series no
A
Date
2015-07
Page
4
tension again to the working load by rotating the endless screw
(7) in the "-" direction.
– Always unhook the load first when slackening the spring
completely!
– Infinitely variable load adjustment is possible within the balan-
cer's load range (see rating plate (1) for details). To adjust to
lighter working loads, just rotate the endless screw (7) in the
"-" direction; for heavier loads, rotate in the "+" direction. Note
that the balancer may not be operated outside the working range
indicated on the rating plate!
To apply the maximum pretension, rotate the endless screw X
times in the "+" direction:
615 805 017 0
= aprox. 6
615 805 018 0
= aprox. 6 3/4
615 805 019 0
= aprox. 5 1/4
615 805 020 0
= aprox. 5 1/4
A
Never increase the initial tension beyond the appropriate
maximum value indicated above!
Adjusting the cable length
The balancer is delivered from the factory with a long cable, so
that the cable length can be individually adjusted to the onsite
circumstances. Adjusting the cable length is done with the cable
wedge (7). After lengthening or shortening the cable, the free cable
end must be compressed with the supplied ferrule (8) (or a clamp
in accordance with DIN 3093 Pts. 1 to 3); the projecting cable end
must then be cut off flush.
A
A minimum distance of 100 mm must be maintained between
the cable clamp (6) and the cable wedge (7).
Cable stop buffer / Setting the cable extension
The cable stop buffer can be moved simply by moving the flexible
cable stop buffer and the cable clamp. The cable clamp should be
secured each time.
A
WARNING: The maximum cable extension length must not be
exceeded (even with a cable extension).
Drum lock
The drum lock (8) allows the cable drum to be blocked so that the
load can be changed or the cable replaced without any need for
slackening the spring. Proceed as follows: Insert a screwdriver
into the slotted bolt (8) and press the bolt inwards, then rotate it
clockwise as far as it will go. Verify that the bolt is properly locked
in place and the cable drum securely blocked! Any accidental
deblocking of the drum and consequential snapping back of the
cable would not only pose a risk of serious injuries but also destroy
the spring. After replacing the load or cable, be sure to apply the
working load first, then deblock the cable drum by pressing the
locking bolt inwards again and rotating it either counterclockwise
or clockwise to disengage it so that it snaps back into its original
position.
Maintenance
Servicing / Inspection
The balancer must be serviced continuously. All external moving
parts as well as the friction points on the suspension and spring
hook must be greased. For cable care, we recommend non-corros-
ive grease because it significantly increases the cable's useful life.
EN
The suspension, the safety chain, the spring hook and the cable
must be monitored continuously and needs to be checked by a
competent person at least once a year. If damage (such as broken
strands, "cage-type" bulging, flattened places or abrasion) is found
on the cable, or if any of the above-mentioned parts show signific-
ant signs of wear and tear, the balancer must be withdrawn from
service and replaced immediately. Should the cable, spring or
other parts of the balancer need to be replaced, pre-assembled re-
placement sets are available.
Maintenance
The following sections refer exclusively to our pre-assembled re-
placement sets: cable, spring & cable drum, housing, and suspen-
sion. Be sure to use only genuine spare parts for replacement.
When replacing any of the above-mentioned components, always
follow the Operating Instructions supplied with the product.
Replacing the cable
This type of balancer allows one to replace the cable without re-
leasing the spring tension or taking the system apart.
The "Cable complete" replacement kit includes the cable with
the clamp (ferrule) already pressed in place on the cable coupling,
a slip-on collar supplied separately, and the cable stop buffer with
rubber ball and cable clamp.
To replace the cable, pull it out of the housing as far as possible
(the cable coupling/mount is now visible in the lower region of
the housing opening). Block the cable drum by pressing the slotted
locking bolt (located on the smaller side of the housing) inwards,
then rotate the bolt in this position by 90 degrees either clockwise
or counterclockwise (both directions are O.K.).
A
Ensure that the cable drum is securely locked! Any accidental
release of the cable drum would cause the unloaded cable to
snap back, which could cause serious injuries and destroy the
spring!
Slide the cable out of the drum and the housing by pushing it up-
wards and remove the collar, then pull the cable downwards and
out of the balancer.
Insert a new cable from below by running it through the
mouth/opening of the housing and the bore provided in the cable
drum (the so-called "tunnel") and then pushing it all the way up
until it exits the housing. Push the collar over the cable end and
onto the ferrule, then pull the cable fully downwards into the bore
of the drum (or "tunnel"). Be sure to install the cable correctly –
the cable and its collar must engage noticeably with the drum.
A
An incorrectly anchored cable may slip out under load and
cause damage!
Apply the working load and release the cable drum by pressing
the locking bolt inwards and rotating it either clockwise or coun-
terclockwise by 90 degrees to disengage it so that it will snap back
into its original position.
Replacing the cable drum including spring as-
sembly and spring fracture safeguard mechanism
(A) Removal:
First slacken the spring, proceeding as follows: Apply a size 17
socket spanner to the endless screw (7), then rotate the spanner in
the "-" direction until the cable is retraction-free. To avoid spring
damage, do not slacken the spring too much!
Now screw off the housing cover. Remove the screw of the
worm wheel cover, then take off the cover plate. Remove the re-
taining ring on the worm wheel using special pincers. Withdraw
the cable drum (complete with shaft) from the housing, taking care
of the feather key. If needed, drive the shaft through the worm
wheel using a plastic tip hammer. Remove the brass plate located
between the housing and the cable drum. Completely unwind the
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