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    Hand Pumps (Two Stage, Large Reservoir)

    Hand Pumps (Two Stage, Large Reservoir)

    Power Workholding

    7250 psi max
    For Single-Acting Systems
    A manually-operated hydraulic power source for moderate-size fixtures. Two-stage Hand Pumps provide faster pressurization than single-stage pumps, with automatic switching from 900-psi low stage to 7250-psi high stage. Handle clip holds the handle in its lowest position so that the unit can be easily carried by hand, providing excellent portability. Totally self-contained. Easily adjustable pressure setting. Pump and release with the same lever. Excellent service life because internal components are virtually wear-free. Hand Pumps are suitable for smaller clamping fixtures and assembly operations where automatic pressure control is not required. Hand operation is ideal when extra "feel" is required for assembly and/or test fixtures.
    The large reservoir size shown here has an excess fluid capacity, ideal for use as a portable pump for pre-charging fixtures (where some of the fluid will be removed by each use).


    Turn the pressure-adjustment knob to set desired operating pressure. To clamp, move pump lever downward to pump fluid, through a 40° stroke. Lever returns upward by spring force after each stroke. Repeat until you reach the set pressure, where the lever declutches. To unclamp, lift pump lever 10° upward, against a spring force, to release clamping force instantly.

    Mounting & Setup

    Stand unit upright. Reservoir weight is usually sufficient so that the pump does not have to be anchored. The unit is ready to operate after you fill the reservoir with clean, approved Hydraulic Fluid. Do not use NPT fittings for hydraulic connections.

    Hand Pumps (Two Stage, Large Reservoir)