MOUNTING GP-CYLINDER 1545011 - Caterpillar

(1) Clearance between top ring and groove ... .0045 to .0070 in.(0.114 to 0.178 mm) Replacement needed at ... .011 in.(0.28 mm)Maximum permissible clearance ... .014 in.(0.36 mm)(2) Clearance between oil ring and groove ... .0025 .0010 in.(0.064 0.025 mm) Replacement needed at ... .006 in.(0.15 mm)Maximum permissible clearance ... .008 in.(0.20 mm)(3) Bore in piston for pin ... 1.5006 to 1.5009 in.(38.115 to 38.123 mm) Maximum permissible clearance between piston pin and bore in piston ... .003 in.(0.08 mm)Clearance between ends of piston ring, installed in the part of the cylinder bore that has no wear.(4) Top ring: Clearance between ends of piston ring ... .021 .006 in.(0.53 0.15 mm)Ring needs replacement when clearance is ... .045 in.(1.14 mm)Maximum permissible clearance (replacement of ring necessary) ... .055 in.(1.40 mm)(5) Oil ring: Clearance between ends of piston ring ... .020 .010 in.(0.51 0.25 mm)Ring needs replacement when clearance is ... .038 in.(0.97 mm)Maximum permissible clearance (replacement of ring necessary) ... .045 in.(1.14 mm)