Hydraulic puller rams

Hydraulic puller ram is a body with working fluid, due to increase pressure of which the rod is moving. It acts upon the fastener, speeding up its removing process. The device is irreplaceable part of many tools, for instance, used to demount  bushings, bearings and gears.

Types of hydraulic puller rams

By working principle:

• One-sided. Pulling out the rod is done thanks to oil pressurizing; while its returning to initial position – by the effort of a built-in spring.  Generally, they withstand 2–30 tons load.
• Double-sided. Both straight and reverse movement of the working piston are performed by changing of the working fluid pressure. Such rams handle high loads, mostly up to 100 tons. They are perfect for works, which require significant efforts.

Apart from the standard models, catalogues include telescopic puller rams. These are several retractable elements and allow to increase height of piston stroke. They are irreplaceable at working with hard-to-reach parts, such as replacement of spring bearings.

Tips on hydraulic puller ram use

1. Use the device strictly in accordance with the manufacturer’s instruction and observe safety measures. Make sure that the device rod is precisely centered. Increase pressure slowly when performing operation.
2. Before starting works make sure that the tool has no defects. Regularly check its air-tightness and lubricate movable elements. Do not use the damaged device.
3. Store the products in a dry room with air temperature from 0 to +25 °С. If you don’t want to use the puller for more than half a year, fill it with preservation oil, seal it tight and place it in vertical position.

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