2013年12月15日星期日

Press common troubleshooting method

1 when no suction pump overhaul , the case of dirt clogging oil network, washable grease filter should be . If the oil is used for a long time , due to sediment adhering to the inlet valve and the valve does not cause adhesion , should be replaced with a new release of oil or vegetable oil plant and clean the inlet valve . If the fuel tank is not enough , add a little oil to the tank can be , if the vacuum pump in the minors , you can pull out the small piston , and then injected into the oil pressure .
2 When the pump pressure is insufficient maintenance, if there is dirt or poor sealing valve , after grinding them washable , so close together. Press the case of the inlet valve plug and seat is bad, too polished to be washable , so close together. The case of press out the oil drain plug and valve seat caused by poor contact or tighten the oil spill , may press grinding valve plug and seat aspirant so close together or tighten the plug. Briquetting machine of a small pump worn piston and the gap is too big , should be replaced with new pump.
3 When the cylinder and piston leak repair, if installed the wrong sized cup is due up , press the right approach should be re-installed cups . Cup cracked the case of damage , should be replaced with new cup .

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