SENSOR GP-POSITION 3901864 - Caterpillar

(1) Bore in housing for inlet camshaft ... 2.1875 .0005 in.(55.563 0.013 mm) Diameter of inlet camshaft bearing surfaces (journals) ... 2.1840 .0005 in.(55.474 0.013 mm)Clearance between bore in housing and inlet camshaft bearing surfaces (journals) (new) ... .0025 to .0045 in.(0.064 to 0.114 mm)Maximum permissible clearance (worn) ... .009 in.(0.23 mm)(2) Free motion (backlash) between phasing gears ... .000 to .010 in.(0.00 to 0.25 mm) Free motion (backlash) between phasing gear and the idler gear in the head ... .006 to .016 in.(0.15 to 0.41 mm)(3) Bore in housing for exhaust camshaft ... 2.1250 .0005 in.(53.975 0.013 mm) Diameter of exhaust camshaft bearing surfaces (journals) ... 2.1215 .0005 in.(53.886 0.013 mm) Clearance between bore in housing and exhaust camshaft bearing surfaces (journals) ... .0025 to .0045 in.(0.064 to 0.114 mm)Maximum permissible clearance (worn) ... .009 in.(0.23 mm)(4) Groove in camshaft ... .190 .002 in.(4.83 0.05 mm) Thickness of plate ... .184 .002 in.(4.67 0.05 mm)End clearance for either camshaft ... .004 to .010 in.(0.10 to 0.25 mm)