PUMP GP-FUEL INJECTION 4W6073 - Caterpillar

(1) Bypass valve: Fuel pressure at FULL LOAD ... 205 35 kPa (30 5 psi)(2) 4N605 Spring for bypass valve: Length under test force ... 22.35 mm (.880 in)Test force ... 15.7 0.80 N (3.53 .18 lb)Free length after test ... 43.92 mm (1.729 in)Outside diameter ... 13.39 mm (.527 in)(3) Thickness of gears (new) ... 9.489 0.008 mm (.3736 .0003 in) Depth of counterbore (new) ... 9.525 0.013 mm (.3750 .0005 in)(4) Diameter of shaft for idler gear ... 12.482 0.008 mm (.4914 .0003 in) Bore in idler gear ... 12.512 0.008 mm (.4926 .0003 in)(5) Put a thin layer of 5S1454 Sealing Compound on the outside diameter of the seals before installation. Remove the extra sealing compound after assembly.(6) Install inner seal from outside edge of body assembly to a distance of ... 11.51 0.25 mm (.453 .010 in)(7) Install outside seal from outside edge of body assembly to a distance of ... 0.76 0.25 mm (.030 .010 in)