G343 ENGINE Caterpillar

(1) Clearance-top ring-to-groove ... .0055-0073 in.(0,140-0,185 mm)

Maximum permissible clearance (worn) ... .010 in.(0,254 mm)

(2) Clearance-oil control ring-to-groove ... .0010-.0030 in.(0,0254-0,076 mm)

(3) Bore-for pin in piston ... 2.0005 ± .0002 in.(50,813 ± 0,005 mm)

Clearance-pin-to-piston bore ... .0004-.0011 in.(0,0102-0,0279 mm)

Maximum permissible clearance ... .004 in.(0,102 mm)

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

(4) Top ring ... .021-.027 in.(0,53-0,69 mm)

(5) Oil ring ... .010-.030 in.(0,254-0,762 mm) ... .003 in.(0,076 mm)

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^*Increase in ring gap for each .001 in. (0,025 mm) increase in liner bore