PIN 1270842 - Caterpillar

Removal Procedure
Start By:
If the engine is equipped with a fan, remove the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install".
Remove the water pump. Refer to Disassembly and Assembly, "Water Pump - Remove".
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.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: In order to remove the front cover, it is not necessary to remove the crankshaft pulley or the alternator.
Illustration 1 g01258462
Typical example
If the engine is equipped with a cylinder block mounted fan drive. Remove fan drive from the cylinder block. Refer to Disassembly and Assembly, "Fan Drive- Remove and Install".
Remove bolts (3), (4), and (5). Identify the positions of the different bolts.
Remove front cover (1) from the front housing.
Remove joint (2) from front cover (1). Installation Procedure
Table 1
Required Tools
Tool Part Number Part Name Qty
A - Guide Bolt
M8 by 100 mm 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01343967
Typical example
Thoroughly clean the mating surface of the front housing.
If the original front cover is installed, follow Steps 2.a and 2.b in order to install the joint.
Thoroughly clean the front cover.
Install a new joint (2) to front cover (1). Engage Locators (Y) into the holes in the front cover.
Install Tooling (A) into Holes (X) in the front housing.
Use Tooling (A) in order to position the front cover assembly onto the front housing.
Install bolts (3), (4), and (5) finger tight. Ensure that the different bolts are installed in the correct positions.
Loosely install the water pump assembly and remove Tooling (A). Refer to Disassembly and Assembly, "Water Pump - Install" for the correct procedure.
Tighten bolts (3), (4), and (5) to a torque of 22 N m (16 lb ft).
Tighten the bolts for the water pump to a torque of 22 N m (16 lb ft).
If the engine was equipped with a cylinder block mounted fan drive. Install the fan drive to the cylinder block. Refer to Disassembly and Assembly, "Fan Drive- Remove and Install". End By:
If the engine is equipped with a fan, install the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install".