Table 1-2. Repair and Replacement Standards

Table 1-2. Repair and Replacement Standards -(Cont) Manufacturer’s Maximum dimension and allowable tolerances in wear and inches clearance , Components Minimum Maximum Hydraulic pump drive assembly Bore in drive gear for shaft 1.0015 1.0025 0.0005 Fit - drive gear to shaft 0.0002 0.0017 0.0012 inter- inter- ference ference Adapter assembly and fuel injection pump mounting: Bearing adapter Outside diameter of bearing 1.0850 1.0855 0.0005 Bore in adapter for bearing 1.083 1.084 0.001 Fit - bearing-to-bore in adapter 0.001 0.0025 0.0015 inter- inter ference ference Bore in bearing after pressing into adapter 0.875 0.877 0.002 Shaft diameter 0.8735 0.8740 0.0005 Clearance - shaft -to-bearing 0.001 0.0035 0.0025 Lubricating oil pressure pump (crankshaft gear 0.874 0.875 0.001 driven) bore in cover and body for shafts Shaft outside diameter 0.8715 0.8720 0.0005 Clearance - shaft to bore in cover and body 000020 0.0035 0.0015 Bore in drive gear - for shaft 0.8695 0.8705 0.005 Fit - shaft to drive gear 0.0010 0.0025 0.0015 inter- inter - ference ference End clearance (gear) 0.0025 0.0065 0.0015 Outside diameter of pressure gears 2.5694 2.5714 0.002 Bore in body for pressure gears 2.5754 2.5774 0.002 Radial clearance - gears to pump body 0.0020 0.004 0.002 Drive for tachometer, overspeed and/or cranking limit switch Bore for bushing in housing 0.7495 0.7505 0.001 Outside diameter of bushing 0.752 0.753 0.001 Fit of bushing in housing 0.0015 0.0035 0.0025 inter- inter- ference ference 1-44