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Winter heat engine? Teach you five steps to solve the problem! — Shandong excavator parts

by:HMB     2021-01-17
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we think of the engine temperature is mostly summer prone to failure, but the abnormal high temperature, cold winter excavator will seemingly failure, but failure point and elimination method is quite different, don't doubt, excavator attachments small make up for you in the solution.

one thing need your attention, if the water temperature display abnormal may not be all that is the water temperature sensor fault occurs, it is also possible that other excavator parts, the following will teach everyone a universal method to detect fault!

1, the excavator attachments water temperature sensor signal from the temperature sensor (separation or ground Take iron or connect power cathode) Corresponding water thermometer, the dashboard displays in a second to nine at any position. This kind of situation because of poor contact signal lines or instrument fault, if the check signal line contact situation is normal, is identified as the dashboard fault, as long as the replacement after the instrument can be back to normal.

2, the engine temperature sensor signal separation from the water temperature sensor, if the dashboard corresponding water thermometer has been showed in the tenth position, because the signal short circuit by iron ( Circuit connected to the frame) 。 At this point check excavator attachments water temperature sensor signal line ( Can use multimeter to check) 。 If sure signal lines without short circuit by iron, instrument failure, replacement.

3, we will be the signal grounding ( Take iron or connect power cathode) , check the excavator accessories dashboard, according to the corresponding water thermometer if displayed in ten segment ( Or full state) , also prove the instrument to normal. ( Note: water thermometer alarm have delays, please wait times guarantee when operating in more than 20 seconds)

4, will excavator parts water temperature sensor signal separation from the water temperature sensor, if the dashboard corresponding water thermometer has been showed in the tenth position, because the signal short circuit by iron ( Circuit connected to the frame) 。 Check the water temperature sensor signal line (at this time Can use multimeter to check) 。 If sure signal lines without short circuit by iron, instrument failure, replacement.

5, we will first engine water temperature sensor signal separation from the water temperature sensor, at this time, according to water thermometer should check the dashboard if flicker in the first paragraph, the said instrument is normal.

although winter heat engine case, whoever has the possibility of failure is very important for us. In addition to the sensor, dig the friends will focus on screening excavator accessories dashboard and wiring problems, see here believe everyone to learn how to check the maintenance.


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