D343 ENGINE Caterpillar

1 Clearance-top ring-to-groove ... .0057-.0071 in.0,144-0,180 mm

Maximum permissible clearance (worn) ... .014 in.0,355 mm

2 Clearance-intermediate ring-to-groove ... .0030-.0048 in.0,076-0,121 mm

3 Clearance-oil control ring-to-groove ... .0015-.0030 in.0,038-0,076 mm

4 Bore-for pin in piston ... 2.0000±.0002 in.50,80±0,005 mm

Clearance-pin-to-piston bore ... .0003-.0007 in.0,0076-0,0178 mm

Maximum permissible clearance ... .006 in.0,152 mm

Ring gap measured in unworn portion of liner bore size 5.400 in. (137,111 mm)^*

Top ring ... .019-.029 in.0,48-0,74 mm

Intermediate ring ... .019-.029 in.0,48-0,74 mm

Oil ring ... .015-.025 in.0,38-0,64 mm ... .003 in.0,076 mm