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How to Select the Proper Grip
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Care should be taken in choosing grips to assure correct handling of wire and cable. Three basic factors determine the selection of the proper grip for each specific application:
1. Type of wire or cable.
2. Outside diameter of wire or cable.
3. Maximum safe load required.
All three of these factors are included in the description of each Klein grip along with the type of inside jaw contour available. Correct selection of gripping jaws is essential to avoid damage to wire or cable. In pulling stranded wire, the jaws should be long enough to take a full lay of cable to avoid damage to the conductor.
Inside-jaw contours. Klein "Chicago" Grips are offered with three types of jaw contour: Single V, Double V, and Round. Each grip comes with the proper inside-jaw contour for the type of wire or cable to be worked.
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Single V. Simple three-point contact jaws designed for use on small-diameter bare wire and cable (solid and stranded).
Double V. Four-point contact provides greater gripping pressure and assures proper alignment of wire and cable within
the jaws. Designed for high-strength steel guy wire and messenger wire, and extra-high-strength cables and conductors.
Round. Round jaws provide maximum contact and gripping power to minimize conductor damage. This jaw design is recommended for use on bare aluminum, ACSR, and copper conductors.
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| Klein "Chicago" Grips have locking loop handles, standard on most grips and available on hot-line grips by ordering with spring. The locking feature allows the jaws to be held in an open position for easier placement on wire or cable. Saves substantial time, makes grip positioning easier than with wedge or bolt-on designs. To lock, open jaws and fold loop handle toward the side plates.
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Repair or Replace?
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Never repair any grip. Grip jaws can sometimes be replaced if the grip is returned to Klein, but structural wear or damage cannot be safely corrected. Grips that are bent, misaligned or otherwise distorted should be discarded and replaced.
Before each use, check all grips for jaw condition, proper alignment of jaws and all parts, and possible distortion caused by exceeding safe-Ioad specifications. Grips should operate smoothly. Spring-Ioaded grips should lock open with loop handle in
"Down" position and should close automatically with loop handle "Up".
The Klein parallel jaw grip may be tested by opening and closing the jaws by hand, exercising proper caution. All parts and
rivets which may be distorted due to exceeding safe load should be checked.
Recommended Care and Maintenance
The following guidelines have been established in order to maintain all grips in good condition:
1. Clean the grip jaws. Use emery cloth or a clean wire brush to periodically clean the surfaces of grip jaws.
(Note: Aluminum-strand conductors may have a die-grease coating which can deposit on grip jaws. New aluminum conductors should be wiped clean before grip application. Grip jaws should be wiped clean of all grease before use.) Be sure to clean grip jaws before and after each use on wire or cable which has been galvanized or otherwise coated.
2. Clean all working parts. Use a cleaner/degreaser to clean all joints and moving parts.
3. Check all parts. Look carefully for distortion or misalignment.
4. Never repair any grip. If there is ever any question about the safe condition of any grip, please consult us directly.
Please remember this rule. |
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