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Piston Rings Mazda 929 HD

Mechanical ~107 words
  1. Measure piston ring end gap. Use head of piston to push ring squarely into bore. Leave ring at bottom of ring travel. Using a feeler gauge, measure piston ring end gap. Compare measurement with specification. See PISTONS, PINS & RINGS table under ENGINE SPECIFICATIONS.
  2. Install rings on piston with "R" facing upward. Note 2nd compression ring outer edge is slightly chamfered. Using a feeler gauge, measure ring side clearance between ring and ring land. If ring lands are excessively worn, replace piston. Properly space ring end gaps on piston. (Схема №14) Ensure end gaps do not align with piston pin or thrust face of piston.