INSULATION 2505355 - Caterpillar

Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7573     Link Bracket     1    
Water pumps may leak as a result of damaged face seals. Relative movement between the shaft and the housing may allow the drive shaft to contact the face seal in the water pump. If contact occurs, the face seal will be damaged, and very early hour failures can result.
Note: Do not lift the auxiliary water pump by the shaft. Do not bump the shaft when installing the auxiliary water pump onto the engine.
Illustration 1 g02946304
Install O-ring seal (8) onto auxiliary water pump (2) .
Illustration 2 g01323519
Use Tooling (A) and attach a suitable lifting device onto auxiliary water pump (2) . The weight of auxiliary water pump (2) is approximately 31 kg (69 lb). Position auxiliary water pump (2) . Install nuts (5) .
Install hose assembly (1) . Position elbow (7) . Install bolts (6) . Position elbow (4) . Install bolts (3) .
Fill the auxiliary cooling system with coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".