PUMP GP-PISTON 3417652 - Caterpillar

(1) Bore for the rack and diameter of the rack: Bore in bearing (after installation) in housing ... 12.767 0.058 mm (.5026 .0023 in)Diameter of rack (new) ... 12.662 0.005 mm (.4985 .0005 in)(2) Thickness of 8N0672 Spacer ... 5.049 0.005 mm (0.1988 .0002 in)(3) Bore in bearings for camshaft (after assembly) ... 68.339 0.038 mm (2.6905 .0015 in) Diameter of bearing surfaces of the camshaft ... 68.250 0.013 mm (2.6870 .0005 in) (4) 8N5993 Reverse Flow Check Valve Spring: Length under test force ... 11.50 mm (.453 in)Test force ... 151 8 N (33.9 1.8 lb)Free length after test ... 15.81 mm (.622 in)Outside diameter ... 10.36 mm (.408 in)(5) 1W6985 Orificed Reverse Flow Check Valve Spring: Length under test force ... 7.63 mm (.300 in)Test force ... 8.3 0.8 N (1.87 .18 lb)Free length after test ... 8.54 mm (.336 in)Outside diameter ... 3.20 mm (.126 in)(6) 8N0670 Lifter Spring: Length under test force ... 46.38 mm (1.826 in)Test force ... 284.4 14.2 N (63.94 3.19 lb)Free length after test ... 55.47 mm (2.184 in)Outside diameter ... 33.60 mm (1.323 in)(7) Length of injection pump plunger ... 79.044 0.013 mm (3.1120 .0005 in)