Weifang 495 - Engine Running Away (Overspeed Suddenly)

( 3) Oil preSSUf'e gauge:is out of
order or an oil pipe breaks.
2). There is no oil pressure in a
new engine or unsteadiness of
the oil pressure of ·a'· engine
whose sump strainer is just
washed.
Oil suction pipe leaks·.
3). Oil pressure cann't be lifted
up by the adjustment.
( 1 ) Oil fillter element IS
clogged.
( 2 ) Pressure regulating valve
spring of oil filter breaks or
pressure regulating valve leaks.
( 3 ) Crank shaft or camshaft
bearing clearances are too
large.
(4 ) Lubricating oil pump rotor
is worn out or its end play is too
large.
(3)Inspect and replace.
Tighten the bolts;or r-eplace the
:gasket.-,
(1 )Replace the filter element.
( 2 ) Inspect and replace the
spring or lap the valve.
(3)R~place the bearings.
( 4 ) Replace the rotor assembly
or adjust the end play.
8. Engine running away (overs peed Suddenly)
Abnormality &. Cause
Rem~dy
105