The hydraulic puller directly moves forward with the hydraulic start lever, and the pushing lever itself does not rotate. The hook jaw seat can directly adjust the distance with the thread forward and backward. During operation, it only needs a small swing of the handle forward and backward, the hydraulic start lever moves forward, the hook jaw relatively backward, the pulled object is pulled out. The hydraulic puller will inevitably fail or be damaged during use, so how to repair the hydraulic puller broken?
How to use hydraulic puller
The hydraulic puller is a new ideal tool to replace the traditional puller. It has the characteristics of compact structure, flexible use, easy to carry and save effort, and is less restricted by the site. It is suitable for various maintenance places.
1. Tighten the oil return valve rod clockwise before use;
2. Adjust the hook and claw seat until the hook catches the object being pulled;
3. Tilt the piston start lever back and forth to move forward steadily, and the claw hooks retreat accordingly to pull the object being pulled out;
4. If the extension distance of the piston starting rod is greater than the effective distance of the hydraulic puller piston starting rod during use, it needs to stop when the extension distance reaches the maximum effective distance, loosen the oil return valve rod, and let the piston starting rod retract. After that, repeat steps 1-3 again until it is pulled out;
5. To loosen the return valve stem, simply unscrew the return valve slightly counterclockwise. The piston starting rod gradually retracts under the action of the spring;
6. The force required to be pulled out must be estimated before use, select the appropriate puller, and avoid overweight to avoid damage;
7. The hydraulic puller working oil should be anti-wear hydraulic oil, and the working oil must be clean.
How to repair if the hydraulic puller is broken
There are two common failures of hydraulic pullers. One is that you have not exhausted the air when refueling or you have not exhausted it at all. The second is that some sealing rings are not installed properly during repair, which leads to internal leakage. More than 90% of the oil leakage problem is caused by the rubber seal ring inside the gearbox changing for a long time under cold and warm temperatures, which causes the seal ring to lose a large amount of plasticizer and softener, and has a problem of corrosion aging and hardening. Oil leakage, slowly began to appear oil dripping phenomenon, the seal ring cracked after a long time.
The way to eliminate the air inside the hydraulic puller is: the air outlet of the hydraulic equipment is generally at the highest point of the equipment. While opening the hydraulic system, let the oil cylinder move up and down, loosen the air valve and there will be gas and oil. After a few minutes, there was no more sound, and there was still gas left and I would no longer be angry.
The above is to introduce the related knowledge about how to use the hydraulic puller and how to repair the hydraulic puller if it is broken. With the continuous updating and development of related technologies, many new hydraulic pullers have appeared, and the new hydraulic pullers are easy to operate and save effort. The three-claw type and the two-claw type can be disassembled and replaced according to the needs of field work. It can rotate freely according to the distance between the center of the piston and the center point of the piston.
