COIL 3405927 - Caterpillar

Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01056783
Illustration 2 g01056641
Ensure that the oil hole in bearing (18) is aligned with the oil passage in the housing. Use Tooling (B) and a suitable press to install bearing (18) in the housing. Bearing (18) must be 1.5 0.5 mm (0.06 0.02 inch) below the surface of the housing. The diameter of bearing (18) must be 75.000 0.055 mm (2.9527 0.0022 inch) after installation.
Illustration 3 g01056788
Illustration 4 g01056633
Lubricate the bore for lip seal (17) with clean engine oil. Use Tooling (B) to install lip seal (17) into the housing. Ensure that the lip of seal (17) is toward the bearing.
Illustration 5 g01056621
Install shaft (10). Install retaining washers (16), the shims, and bolts (15) that hold shaft (10) in the housing.
Illustration 6 g01056615
Lubricate the bearing in the housing with clean engine oil. Install shaft (1) and retaining washers (14). Install bolts (13).
Illustration 7 g01056794
Place clean water on the inside diameter of carbon seal assembly (12) for lubrication. Use hand pressure and the tool that is supplied with the seal group to install carbon seal assembly (12). The face of carbon seal assembly (12) should make light contact with the shaft.
Illustration 8 g01056561
Install spring (11) on shaft (10) and on carbon seal assembly (12).
Illustration 9 g01056544
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Install impeller (9). Install bolt (8) and the washer. Tighten bolt (8) to a torque of 38 4 N m (28 3 lb ft).
Illustration 10 g01056534Note: Check the O-ring seal for wear or for damage. If necessary, replace the O-ring seal.
Lubricate the bore for the O-ring seal with glycerin. Install the O-ring seal on adapter (7). Position adapter (7) in the housing and install adapter (6).
Illustration 11 g01056506Note: Check the O-ring seals for wear or for damage. If necessary, replace the O-ring seals.
Position gear (3) on shaft (1) and install bolts (2). Lubricate the bores for O-ring seals (4) and (5) with clean engine oil. Install O-ring seals (4) and (5) in the housing.End By:
Install the water pump. Refer to Disassembly and Assembly, "Water Pump (Separate Circuit Aftercooler) - Install".