30/ENGINE - WORK ON INDIVIDUAL PARTS 75
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ಥ Blow though all oil holes with compressed air and check that they are clear.
removing the oil pressure regulator valve
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ಥ Remove plug with sealing disc.
ಥ Remove preload spring
 and ball.
Checking the spring length of the oil pressure regulator valve
ಥ Remove the oil pressure regulator valve. ( P. 75)
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ಥ Measure the spring length of the oil pressure regulator valve.
Oil pressure regulator valve
Minimum length of preload spring 23.5mm (0.93in)
» If the measured value does not equal the specified value:
ಥ Change the spring.
ಥ Install the oil pressure regulator valve. ( P. 75)
Installing the oil pressure regulator valve
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ಥ Check parts for damage and wear. Replace damaged or worn parts.
ಥ Insert ball
 and preload spring.
ಥ Mount plug
 with sealing disc and tighten.
Specification
Oil pressure control valve plug M12x1,5 20Nm
(14.75lbfft)