
Startup Correlation
Q: Kobelco SK75 excavator car I is not good hot start, 5000 hours of work. Starting 5000 hours ago takes 1 to 2 seconds, and now it takes 5 seconds to start. What is the reason for asking?A: first check the oil filter has iron filings, if not, need to check the rotating motor. In accordance with the action difficult to test the pressure and flow rate setting and digging machine is consistent with the specified value.
Q: my Kobelco SK250-8 not a good start, the hydraulic pump regulator plug off a car, then, said customer service with pressure regulator at the start of two, all with a pressure, a pressure is small, the pressure of the regulator with the plug, the car is very good after the fire, the name of the car, plug, normal work, normal pressure, the regulator can repair?A: regulators can repair, maintenance, regulators need professional service personnel to go through the examination and assembly. Hydraulic pump regulator plug off belongs to the emergency mode, it is recommended to remove P1, P2 pump regulator hand toggle plug regulator, to see whether the card issuers need to plug, service personnel, by the way can remove after cleaning pump proportional valve diesel engine.
Q: my Kobelco SK350LC-8 bad start, ignition from the display of a pump two pump 200-300 pounds pressure jump is not burning, is not a pressure car lead to start ah! Where is the problem, the display does not have any alarm?.
A: (1) the main spool of the manifold valve is jammed;(2) the lagging valve is jammed or the pilot pressure is abnormal;(3) abnormal hydraulic pump regulator.(4) there may be abnormal low-voltage signal; may be caused by the above four aspects, it is recommended that please come to the service staff investigation.