User Manual - Abest Industrial Supply
Contents
1. MODELS ZWF 30 ZWF 31 ZWF 32 ZWF 31S Hydraulic Wedge Jacks Hydraulic Jack Toll Free 7 800 579 8088 Web www zinko com Operation amp Maintenance Manual Important Receiving Instructions Visually inspect all components for shipping damage Shipping damage is NOT covered by warranty If shipping damage is found notify carrier at once The carrier is responsible for all repairs and replacement costs during product shipping Safety Information Read and follow all instructions warnings cautions and carefully Follow all safety precautions to avoid personal injury or property damage during system operation ZIAKO is not responsible for damage or injury resulting from unsafe product use lack of maintenance or incorrect product and or system operation Contact ZIAKO when in doubt as to the safety precautions and operations Failure to comply with the following cautions and warnings could cause equipment damage and personal injury Operation Instructions It is the operator s responsibility to read and understand all of the following safety statements IMPORTANT Always be sure to use the appropriate type of wedge jack for your specific application Standard Model ZWF 30 The standard model is designed for use in a variety of applications where the wedge is not in full contact with a flat surface such as a concrete floor Ideal for rescue operations pipefitting and above ground structure adjustments Floor Models ZWF 312. amp ZWF 32 The floor models are designed for use when in direct contact with a flat surface Ideal for moving and or adjusting heavy machinery NOTE When using floor models with the top plate in the back position greasing the wedge is recommended Short Models ZWF 31S Z NF 31S is designed with a shorter frame at 21 75 inches The shortened frame reduces weight 28 Ibs making for greater portability This model also comes with a classic wooden storage case The ZWF Series features a 4 way manual valve control with advance hold return positions To advance the piston Turn the 360 degree handle to the position where it is pointed away from the object Place the wedge in the desired position for operation Turn the valve control to the advance position and begin pumping the handle Pump handle until the desired opening is reached Move the valve control to the hold position and support the opening with adequate supporting material oRWN To retract the piston 1 Turn the valve control to the return position and begin pumping the handle until the wedge detaches from the object The hold position After a desired opening is reached you can move the 4 way manual valve to the ho d position This will prevent the wedge from advancing or retracting IMPORTANT Never use any type of clamp or wrench on the piston Any surface damage to the piston can result in serious damage to the unit and cause malfunction Servicing Al
3. ways inspect unit before using If any suspected problem arises bring the unit to an authorized ZIAKO service facility immediately for further inspection Adding Oil In a case where the piston will not fully extend oil may need to be added To do so Make sure the piston is fully retracted Remove the oil plug located in the oil filter at the back side of the unit Pour only approved hydraulic oil into filler while simultaneously pumping the handle pumping the handle advances the piston pulling oil into the chamber Continue adding oil until the piston is fully advanced Make sure to completely fill the chamber Loosely replace the oil plug to allow any trapped air in the system or extra oil to escape Place the 4 way manual valve to the return position and begin pumping until the piston is fully retracted When piston is fully retracted tighten the oil plug fully to seal the oil filler WON NOJ A Greasing the Wedge All wedge moving wedge surfaces should be kept well greases at all times to prevent damage to the system especially for floor type wedge jacks Any high quality machine grease is appropriate ZINKO PO Box 4903 http www zinko com Phone 909 989 9526 Q Hydraulic Jack Ontario CA 91761 Toll Free 1 800 579 8088 Fax 909 989 1724
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