PUMP 3155894 - Caterpillar

(1) Install pin to get a dimension of ... 4.78 0.25 mm (.188 .010 in)(2) Install dowel to get a dimension of ... 12.19 0.25 mm (.480 .010 in)(3) Rack bearing alignment-the center of the rack bearing tab must be within 0.05 mm (.002 in) of a vertical line that: (a) goes through the center of the rack bearing(b) is parallel to the vertical centerline of injection pump housing The following tooling is available to position the rack bearings correctly: 5P6217 Fixture and 5P6218 Driver.The correct bearing depth [19.0 0.5 mm (.75 .02 in)] is controlled when driver is stopped by fixture.(4) Position of camshaft bearing joints (X) must be limited to area (A) ... 30 1 degrees When viewed from the Front of the injection pump housing, the two camshaft bearings must be installed with the bearing joint (X) in an area (A) between a vertical position and a position 30 degrees to the Right of vertical. At the same time, oil hole (Y) in the two bearings must be to the Left of vertical.(5) Install dowel to a dimension of ... 9.7 0.5 mm (.38 .02 in)(6) Distance from bottom of housing to end of rear hollow dowel ... 1.5 0.3 mm (.06 .01 in)(7) Maximum distance from bottom of housing to end of front hollow dowel ... 1.0 mm (.04 in)(8) Torque for bolts ... 55 7 N m (40 5 lb ft)(9) Distance from rear bearing bore face to installed rear camshaft bearing ... 4.8 0.5 mm (.19 .02 in)(10) Distance from front bearing bore face to installed front camshaft bearing ... 1.0 0.5 mm (.04 .02 in) (11) Install dowel to a dimension of ... 16.8 0.5 mm (0.66 0.02 in)(12) Distance from top surface of housing to top of lower governor drive bearing ... 28.4 0.5 mm (1.12 .02 in)(13) Install top governor drive bearing (notch end up) with sharp corner even with top surface of housing. Position center of notch so that it is in alignment with the center of oil pressure relief hole (Z) by an amount of ... 10 5 degrees(14) Install dowel to get a dimension from centerline of fuel injection pump bore to dowel (seal dowel hole with aluminum ball) ... 14.76 0.10 mm (.581 .004 in)(15) Distance from end of plug to face of housing ... 1.25 0.25 mm (.049 .010 in)(16) End of plug to be even with outside face of housing.(17) Install pins until they contact bottom of housing casting.