WIRING GP-REAR 1780163 - Caterpillar

Engine
(1) Torque for three long studs in cylinder block ... 27 4 N m (20 3 lb.ft.) Put 9S3263 Thread Lock on threads of short stud in front housing.(2) Oil seal. Put clean engine oil on the seal lip. Assemble with the lip toward the bearings.(3) Seal. Put a thin layer of clean engine oil in the bore for the seal.(4) Ring and water seal. Use a 7N7843 Seal Installation Tool and hand pressure to install the rubber seal and ceramic ring as a unit in the pump housing bore. Make sure the identification mark (holes or groove) on the ceramic ring face is installed inside the rubber seal.(5) Seal assembly. a. Remove the spring from the seal.b. Put clean water on the seal assembly as the only lubrication for assembly. Do Not get any grease or oil on the seal faces.c. Do Not stretch the rubber of the seal assembly at installation. If the seal is stretched, the service life is shortened.d. Use a 7N7843 Seal Installation Tool and hand pressure to install the seal assembly on the pump shaft until the carbon face makes light contact with the smooth face of the ceramic ring. The carbon seal assembly must rotate with the water pump shaft. Do Not use any lubricant