Skoda Octavia Workshop Manual page 49

OCTAVIA
Edition 08.96
S00.5104.50.20
Crank Assembly
K Fig. 1 Inspecting piston ring gap clearan-
K K
K K
ce
Special tools, testers and aids required
♦ Feeler gauge
Inspection procedure
- Insert ring at right angles to cylinder wall from
above into the lower cylinder opening, about
15 mm away from edge of cylinder. Use
piston without rings for inserting.
Piston ring
Compression rings
2-part oil scraper ring mm
3-part oil scraper ring mm
K Fig. 2 Inspecting piston ring end clearan-
K K
K K
ce
Special tools, testers and aids required
♦ Feeler gauge
- Clean annular groove before inspecting.
Piston ring
Compression rings
2- and 3-part oil
scraper ring
Gap clearance
new wear limit
mm 0.15 ... 0.40
0.25 ... 0.50
max. 1.00
End clearance
new wear limit
mm 0.02 ... 0.07
mm 0.02 ... 0.06
------------ 13-21 ------------
13
0.80
1.00
1.30
0.12
0.12