H-150 slide valve vacuum pump failure phenomenon and troubleshooting:
1 vacuum is not high:
(1). Pump leaks.
(2) cartridge hole suction, appear mist: cleaning oil filter, check tubing, pumps.
(3) pump oil pollution: open the gas valve running 1-2 hours or longer, or new oil.
(4). Insufficient fuel, the oil level is too low: fuel.
(5). Oil temperature is too high: Increase the amount of water, reduce the ambient temperature and inhaled gas temperature, eliminate occlusion, poor lubrication.
(6). Exhaust valve damage: for the valve.
(7). Exhaust valve spring damaged: renewal.
(8) parts of the pump wear and tear, there are different sound, power abnormalities: dismantling inspection of the rotating parts.
2 oil spills:
Check the shaft seal, the sealing parts, adjustment or replacement.
3 noise: abnormal noise: check whether foreign objects fall into the pump chamber, bearings, pump drive without damage. Clear, trim, change new.
4 fuel injection: a large number of oil spouts: check the oil level is too high, such as too high, release; oil shield components, anti-injection components, etc. are intact.
5 Vibration: Vibration: Check the base is solid, fastening, the foundation is sufficient. Have bite, stuck in the early signs, adjust.
6 abnormal temperature pump bearing fever: a little loose belt, check whether the smooth flow of oil, cooling water enough. Fuel tank heat, exhaust valve overheating: reduce the inlet pressure, increase the amount of cooling water.
7 bite stuck: check whether foreign objects fall into, parts intact, lubrication is adequate, fuel, oil, pumps.
8 motor current is too large or fuse blown: check the current is too large reason, check the fuse capacity, adjust, change new.
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