Cylinder Block Assembly: Testing and Inspection

Piston, Rings and Cylinder Bore, Checking

Piston Ring Gap, Checking





Special tools, testers and auxiliary items required

• Feeler Gauge

- Insert the piston ring into the lower cylinder opening at a right angle from above approximately 15 mm from the cylinder edge.

To do this use a piston without piston rings.






Piston Ring Groove Clearance, Checking





Special tools, testers and auxiliary items required

• Feeler Gauge

- Clean the groove for the ring before checking.






Pistons, Checking





Special tools, testers and auxiliary items required

• External Micrometer 75 to 100 mm

- Measure approximately 10 mm from the lower edge of the piston skirt and offset 90° to the piston axis.

Deviation from nominal dimension: Max. 0.04 mm

Cylinder Bore, Checking





Special tools, testers and auxiliary items required

• Internal Dial Gauge 50 to 100 mm

- Measure diagonally at 3 positions transversely - A - and longitudinally - B -.

Deviation from nominal size: Max. 0.08 mm.

• The cylinder bore must not be measured if the cylinder block is secured to engine stand using the engine lateral bracket (T03001) , or else results may be incorrect.