ROD 1660599 - Caterpillar

(1) Oil seal. Put clean engine oil on the lip of the seal. Assemble with the lip toward the splined end of the pump shaft as shown.(2) Rubber seal. a. Put clean water on the rubber seal and ceramic seal (9).b. Use the seal installation tool (part of the replacement seal assembly) and hand pressure to install the rubber seal and ceramic ring as a unit in the housing bore. Make sure the identification groove (10) of the ceramic ring is installed inside rubber seal.(3) Seal Assembly: a. Remove the spring from the seal assembly.b. Put clean water inside the seal assembly.c. Use the seal installation tool (part of the replacement seal assembly) and hand pressure to install the seal assembly on the shaft until the face of carbon seal (8) makes light contact with the smooth face of ceramic ring (9).d. Install the spring.(4) Seal. Put a light amount of clean engine oil in the bore for the seal.(5) Torque for nut that holds impeller ... 200 25 N m (150 18 lb. ft.)(6) Torque for the three studs in pump housing ... 27 4 N m (20 3 lb. ft.)(7) Clearance between impeller and cover (new) ... 0.62 to 1.39 mm (.024 to .055 in.)(8) Carbon seal.(9) Ceramic ring.(10) Identification groove.