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balancers tool balancers
Both "EK" models have a capacity range of
1.1 to 3.3 lb (0.5 to 1.5 kg).
EK Series Balancers provide true "zero gravity" tool holding with no drifting or strain. The units have high impact
cast ABS housings and the handle system for spring adjustment - See below for details. The tapered drums, quality
springs, and ball bearings provide smooth cable travel throughout the stroke. Tension adjustment is easy and precise.

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Travel (ft)
Dia (in)
EK-00 1.64 0.08 0.4 3.7 1.3 0.38 0.24 6.20 to 25.9
EK-0 3.28 0.12 1.1 5 1.9 0.71 0.35 9.30 to 48.7
Ratchet System Spring
Adjust Insert Allen wrench and
turn clockwise to increase tension
and counter-clockwise to
decrease tension
Features and Benefits
Advantages of Using an ENDO Spring Balancer:
ENDO Spring Balancers are a valuable addition to
your assembly line. They support heavy tools with
cable tension equal to the weight of the suspended
tools, which makes them seem virtually "weightless".
As the tool is repositioned the balancer extends or
retracts the support cable to follow the tool's movements.
Constant tension on the cable is accomplished with
a spring motor and a tapered drum. The assembler has
the flexibility to reposition the tool, while experiencing
comfortable operation and less fatigue. Similar to a
Balancer is the Retractor, which does not have a
tapered drum. The tension on the cable increases as
the cable is extended
• Suspend tools in assembly lines or other work areas
• Help the assembler with repetitive tasks such as
   installing fasteners: screws, nuts, bolts, etc.
• Hold fixtures, tools, welding guns, and similar
• Improves efficiency and diminishes worker fatigue
• Stabilizes tool positioning and contributes to work
• Contributes to a safer working environment
• Keeps fixtures, tools, and welding guns off of the floor
   and clean.
• Eliminates the need to separately power the balancer
Application Guidelines
• Size the balancer to carry the total weight to be balanced - tool plus all accessories - and stroke (maximum to
   minimum height) required.
• Size to the upper end of the capacity range of the balancer when possible.
• Always attach secondary support cable(s) to the eyelet provided for additional safety.
• Balancers are normally hung vertically and the rope is pulled out vertically. To prevent the rope from wearing on the
   guide, the rope should not be pulled out at an angle to the balancer body. The balancer can also be mounted
   horizontally, however a pulley system must be employed to guide the rope straight out of the balancer then down to
   the tool. Again, care must be taken to prevent the rope from wearing on the guide. A trolley and rail system can be
   used to help the balancer adjust to changing angles.
• If multiple balancers are used in close together, install them at staggered heights to keep them from hitting each other
• The spring tension is factory preset to the mid-range of the rated capacity. To adjust the tension turn the worm gear
   or spindle clockwise to increase the tension and counterclockwise to decrease the tension.

Balancers, Tool Balancers, Zero Gravity Balancers, Spring Balancer, Retractors, Tool Positioner, Tool Retractor,
Tool Spring Retractor, Torque Reel, and Zero Gravity Tool Balancer from your source for material handling equipment.
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