PUMP GP-FUEL PRIMING 1654467 - Caterpillar

(1) Top piston ring. See the Piston And Piston Rings charts.(2) Intermediate piston ring. See the Piston And Piston Rings charts.(3) Oil control ring. See the Piston And Piston Rings charts.(4) Bore in piston for pin ... 43.195 0.008 mm (1.7006 .0003 in) Clearance between pin and bore in piston ... 0.008 to 0.033 mm (.0003 to .0013 in)Maximum permissible clearance (worn) ... 0.05 mm (.002 in)Pin diameter ... 43.175 0.005 mm (1.6998 .0002 in) When installed in the engine, the "V" mark on top of the piston must be in alignment with the "V" mark on the cylinder block.