3.1.1 Case Description about Diesel Engine Cannot Be Started (1)
1. Starting line, starter and battery are normal, but Diesel
Engine cannot be started by starter for several times, so eliminate
starting system failure.
2. Check low and high pressure fuel passage and exhaust air
and engine can start; But 5 minutes of ameout later, engine starts
hard again, if there is still air in fuel passage, it may be judged that
there is air in low pressure fuel passage.
3. After checking low pressure fuel passage carefully, nd that
thread of fuel inlet of coarse filter is damaged and air enters into
Fuel passage, which causes Diesel Engine cannot start normally.
Improper assembly of frequent dismantlement and assembly
causes that sealing of low pressure fuel passage is not good.
Case analysis
Remedy
Replace coarse fuel lter or parts of low pressure fuel passage till
sealing is good
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