Piston rings, removing and fitting
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Piston rings, removing and fitting
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2.
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Remove the piston rings with piston ring pliers (1).
Piston ring grooves - use the ground side of an old piston ring.
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3.
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Check the piston ring gap with a feeler gauge, put the piston ring into the narrowest part of the cylinder bore.
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Permitted play:
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Square ring (2):
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0.30 to 0.50 mm
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Minute ring (3):
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0.30 to 0.50 mm
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Oil scraper ring (4):
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0.40 to 1.40 mm
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4.
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Check the vertical play of the piston ring in the piston ring groove with a feeler gauge.
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1.
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Fit the piston rings with "TOP" face up onto the pistons with piston ring pliers.
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2.
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Piston ring positions - piston rings (I) (square ring and minute ring) offset 180°. Oil scraper rings (II) - offset 25 to 50 mm to the left and right of the middle ring gap respectively.
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