Usage:
1 Clearance-top ring-to-groove ... 0,05-0,11 mm .0022-.0044 in.
Maximum permissible clearance (worn) ... 0,25 mm .010 in.
2 Clearance-intermediate ring-to-groove ... 0,06-0,09 mm .0025-.0039 in.
3 Clearance-oil control ring-to-groove ... 0,03-0,08 mm .0015-.0033 in.
4 Pin bore ... 38,128±0,005 mm 1.5011±.0002 in.
Maximum permissible clearance in pin bore ... 0,15 mm .006 in.
5 Ring gap measured in unworn portion of liner bore size 4.750 in. (120,65 mm)
Top ring ... 0,4-0,5 mm 0.17-.023 in.
6 Intermediate ring ... 0,4-0,5 mm .017-.023 in.
7 Oil control ring ... 0,3-0,5 mm .013-.023 in.
5 Ring gap measured in unworn portion of liner bore size 4.751 in. (120,68 mm)
Top ring ... 0,5-0,6 mm .020-.026 in.
6 Intermediate ring ... 0,5-0,6 mm .020-0.26 in.
7 Oil control ring ... 0,4-0,6 mm .016-.026 in.
5 Ring gap measured in unworn portion of liner bore size 4.752 in. (120,7 mm)
Top ring ... 0,5-0,7 mm .023-.029 in.
6 Intermediate ring ... 0,5-0,7 mm .023-.029 in.
7 Oil control ring ... 0,4-0,7 mm .019-.029 in.