Engine start-up difficulties or automatic flameout is often caused by inadequate oil pump. Do not disassemble the pump inspection method is:
â‘ check the suction height. The oil pump should be able to suck the oil from below the pump 1m, otherwise it can be regarded as insufficient oil supply.
â‘¡ check the piston rod and shell hole wear. When the pump is working, observe the amount of oil drip at the drain hole on the front side of the pump case, and the amount of drip should not exceed 6 drops per 1 min. Otherwise, the abrasion is serious.
â‘¢ check the seal into the valve. The first hand pump unloaded, with the finger into the valve spring compression 0.5mm ~ 1.0mm, not to come out of the valve out of the valve, if the inlet valve is not tight, the oil level will rise slowly (check before the pressure Pump).
â‘£ check out the oil valve and piston wear. First hand pump pressure several times, and then gently press the handle to observe the situation hand pump rise, if not move the wear is smaller; if slowly rising, indicating the poor sealing of the oil valve or piston wear more serious; if the rapid increase , Then the valve can not be closed or piston wear serious.
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Zhejiang Sanlong Universal Machinery Co.,Ltd. , https://www.sanlongmachinery.com