User Manual
Parts List and Operating Instructions Form No. 562717, Sheet 1 of 3, Back
Safety Precautions
WARNING: To prevent personal injury and/ or equipment damage,
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Study, understand, and follow all safety precautions and operating instructions before
using this hydraulic Hub Grappler™ kit. If the operator cannot read instructions, operating
instructions and safety precautions must be read and discussed in the operator’s native
language.
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Only qualied operators may install, operate, adjust, maintain, clean, repair, inspect, or
transport this hydraulic Hub Grappler™ kit.
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Wear eye protection that meets ANSI Z87.1, CE EN166, AS/NZS 1337, and OSHA standards.
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Cover the work with a protective blanket or canvas because applying force can cause
breakage.
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Do not use this hydraulic Hub Grappler™ kit for anything other than its intended purpose.
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No alteration shall be made to this product.
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Inspect the condition of the hydraulic Hub Grappler™ kit before each use; do not use if
damaged, altered, or in poor condition.
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Use only those repair parts called out in the parts list in this document. Items found in the
parts list have been carefully tested and selected by OTC.
Hose
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Before operating the pump, tighten all hose connections using the correct tools. Do not
overtighten; connections need only be secure and leak-free. Overtightening can cause
premature thread failure or high pressure ttings to split at pressures lower than their
rated capacities.
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Should a hydraulic hose ever rupture, burst, or need to be disconnected, immediately shut
the pump OFF, and open the control valve to release all pressure. NEVER grasp a leaking,
pressurized hose with your hands; the force of escaping hydraulic uid could cause serious
injury.
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Do not subject the hose to any potential hazard such as re, extreme cold or heat, sharp
surfaces, or heavy impact. Do not allow the hose to kink, twist, curl, or bend so tightly that
the uid ow within the hose is blocked or reduced. Do not use the hose to move attached
equipment. Periodically inspect the hose for wear, because any of these conditions can
damage the hose and result in personal injury.
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Hose material and coupler seals must be compatible with the hydraulic uid used. Hoses
also must not come in contact with corrosive materials, such as creosote-impregnated
objects and some paints. Consult the manufacturer before painting a hose. Never paint
couplers. Hose deterioration due to corrosive material can result in personal injury.
Pump
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Do not exceed the maximum capacity of the pump or tamper with the internal high pressure
relief valve. Creating pressure beyond the rated capacity can result in personal injury.
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Completely retract the ram before opening the ller screw on the pump to add hydraulic
uid. An overll can cause personal injury due to excess reservoir pressure created when
rams are retracted.
Cylinder
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Do not exceed the maximum capacity of the cylinder. Creating pressure beyond the rated
capacity can result in personal injury.
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Adapters must be aligned and fully engaged so ram force is straight, avoiding an off-center
load condition.