Weifang 495 - Engine Overheated; Abnormal Lubricating Oil Pressure in Main Oil Passage

6. Engine Overheated
1 ). Engine IS overloaded for a
long period.
2). Cooling water is insufficient
3). Fan belt is too loose.
4). Thermostat is out of order.·
5). Radiator is clogged up.
6)InjeetioQ timing is incorrec~~'
7).' Oil le'\fel;:fin. oilsum:pr is ,tOQ
high so that the oil overheated.
Reduce the 19ad.
Reple~sh the ; ~poling , w~t.er ·
Adju~t tlle; tension of the . belt.
~eplace it.·'
Clean and repair it.
Adjust the, injection timing.
Kee·p theoi~:level .In' oil sump
normal.
7. Abnormal Lubricating Oil Pressure in Main Oil Passage
Abnorm~ty&/ Cause
Rem~4y;
1). Oil pressure suddenly drops
to zero in operation. .
(1 ) Lubrieating'oilpulllp gea~, (l~)lnspect and repair ..
has come off.
(2) Lock pin of the inner rotor (2·) Replace the inner and outer
of oil pump breaks. rotors.
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