STUD 3K6160 - Caterpillar

Seal Installation Procedure
During rebuild of the water pump, do NOT lift the pump by the shaft. Lifting the pump by the shaft can result in a cracked carbon or ceramic ring. Use only clean water as a lubricant to aid installation of the seal group. Refer to Disassembly And Assembly, 3512 And 3516 Spark Ignited Engines, SENR4605, for complete water pump disassembly and assembly information.
1. Use the installation tool and hand pressure to seat the ceramic ring and rubber seal in the pump housing. The identification marks on the ceramic ring should be away from the carbon seal.2. Remove the spring from the carbon seal assembly. Use the installation tool and hand pressure to press the carbon seal assembly onto the shaft until the seal face makes light contact with the ceramic ring.3. Install the spring on the carbon seal assembly.