COUPLING AS-PE 2531353 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Rubber Lubricant -
Personal injury can result from hot coolant, steam and alkali.At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.Remove cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand.Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the cooling system . Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct draining and filling procedure.
Illustration 1 g06275179
Loosen clamp (1) and disconnect tube assembly (2).
Illustration 2 g06275180
Loosen the clamp and disconnect hose (3).
Illustration 3 g06275182
Remove bolts (4) and (6). Remove elbow (5) and the O-ring seals.
Illustration 4 g06275183
Remove bolts (7) and water pump cover (8).
Illustration 5 g06275185
Remove O-ring seal (9) from water pump cover (8).
Illustration 6 g06275186
Remove four bolts (13).
Remove four nuts (11), one bolt (12), and water pump (10).
Illustration 7 g06275187
Remove gasket (14) and the O-ring seal from water pump (10).Installation Procedure
Install water pump (10) in the reverse order of removal.
Apply Tooling (A) onto all the O-ring seals.