GEAR-PUMP 5403720 - Caterpillar

Removal Procedure
Start By:
Remove the fan and the fan pulley. Refer to Disassembly and Assembly, "Fan - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct procedure.
Loosen the hose clamps and remove the hose from the water pump inlet.
Illustration 1 g02717775
Remove bolts (4), bolts (5), and bolts (8). Note: The bolts are three different lengths. Note the positions of the three length different bolts.
Remove water pump (3) from front cover (1). Note: If necessary, tap the water pump with a soft hammer in order to loosen the water pump.
Remove gasket (2).
If necessary, remove the cover from the water pump. Follow Step 6.a through Step 6.c in order to remove the cover.
Remove bolts (9).
Remove cover (7).
Remove gasket (6) (not shown).