MANIFOLD-OIL 2728138 - Caterpillar

start by: a) remove pump drive1. Remove the oil from the pump drive. 2. Remove bolt (1) from flange.3. Remove flange and spider from pump drive. 4. Remove bolts (2) from flange (3). Remove flange from spider.5. Turn the pump drive over and remove the bolts from the two outer cages. 6. Install two 1/2"-13 NC forcing screws (4) in each cage and remove the outer cages. Keep the shims and cages together for installation purpose. 7. Remove the bearing cups from the outer cages with tooling (A).8. Remove bolts (5) from the center cage. Install two 5/8"-11 NC forcing screws and remove the center cage. Keep shims and cage together for installation purpose.9. Remove lip seal from the center cage.10. Remove the bearing cup from the center cage with tooling (B).11. Remove bolts that hold cover to case. Install two 3/8"-16 NC forcing screws in the cover and move the cover off of the dowels.12. Install two 1/2"-13 NC forged eyebolts in cover. Fasten a hoist and remove cover (6) from case. Weight of cover is 110 lb. (50 kg). 13. Remove gears (7), (8) and (9) from case. 14. Remove bearing cones from gears (7) and (8) with tooling (C).15. Remove bearing cones from gear (9) with tooling (C) and (D). 16. Remove the three bearing cups from the case with tooling (E). 17. Turn the case over and remove seal (10) from housing with a punch and hammer.Assemble Pump Drive
1. Install seal (2) in case with tooling (A). The lip of seal (2) must be toward the inside of case.2. Turn the case over on the opposite side. 3. Lower the temperature of the three bearing cups (1). Install the cups in the case.
Be sure the cups are installed tightly against their respective seats.
4. Heat bearing cones (3) for the three gears in oil to a maximum temperature of 275°F (135°C). Install the cones on each side of the three gears.
Be sure the cones are installed tightly against their respective shoulders.
5. Install gears (4), (5) and (6) in the case.6. Clean the old gasket from the contact surfaces of the cover and case. Put 7M7260 Liquid Gasket on the surfaces.7. Fasten a hoist and put the cover in position on the case. Install the bolts that hold it. 8. Use tooling (B) to install the seal in the center cage with the lip of the seal toward the inside of the cage. Install the seal until dimension "X" is .06 .03 in. (1.5 0.8 mm).9. Lower the temperature of the three bearing cups. Install a bearing cup in each of the three bearing cages.
Be sure the cups are installed tightly against their respective shoulders.
10. Install the original shims that were removed on the three cages. Install the cages on the cover without O-rings. Install the bolts that hold cages in place.11. Install tooling (C) in the spline of the gear. Make sure the tooling is in a vertical position and tighten nut enough