RETAINER 6Y3991 - Caterpillar

Assembly Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1P-0510     Driver Gp     1    
B     5P-9722     Seal Driver     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01156016
Use Tooling (A) and a suitable press in order to install shaft assembly (9) in water pump housing (8) . After installation, the bearing on shaft assembly (9) should be flush with the face of water pump housing (8) .
Use Tooling (B) to install seal (7) over shaft assembly (9) and into water pump housing (8) .
Use Tooling (A) and a suitable press in order to install impeller (6) onto shaft assembly (9) . Install impeller (6) until the distance between impeller (6) and the machined surface of water pump housing (8) is 0.75 0.25 mm (0.030 0.010 inch).
Position gasket (5) and rear cover (4) on water pump housing (8) . Install bolts (3) .Note: Check the O-ring seals for wear or for damage. If necessary, replace the O-ring seals.
Install O-ring seals (1) and (2) .End By: Install the water pump. Refer to Disassembly and Assembly, "Water Pump - Install".