IHI NIIGATA MG(L)26HLX, Инструкция по эксплуатации

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S E C T I O N
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- M A I N T E N A N C E
5.4 ABNORMAL SITUATION
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5.4 ABNORMAL SITUATION
When a serious abnormal situation arises, do not hesitate to reduce
the engine speed or stop the engine as a rule.
Find out the cause for the abnormality and take corrective measure
before restating the engine.
Trouble phenomenon and probable cause
→
Remedy
5.4.1 Abnormal noise
(1) Abnormal noise which accompany
combustion
- If noise stops when fuel
injection is discontinued:
a) Gas leakage from cylinder
head joint.
b) Gas leakage from exhaust
flanges of cylinder heads
c) Faulty sealing between
fuel valves and cylinder heads
d) Plugged fuel valves or
contaminated or smashed
needles
a) Check cylinder heads for looseness.*
- Replace gaskets if necessary.
b) Replace gaskets.
c) Remove fuel valves and check
sealing to cylinder heads.
d) Replace fuel valves.
Note : Carry out this work with the engine stopped, after the
temperature has dropped.
Loosen nuts for cylinder heads, and retighten them with
reference made to 4.1. and 4.4.