Perkins 400A 400D Industrial Engine Crankshaft Rear Seal Remove and Install

This instruction show you guide on how to remove and install crankshaft rear seal for Perkins 400A and 400D industrial engine.

 

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Removal Procedure

Start By:

1 Remove the flywheel. Refer to Disassembly and Assembly, “Flywheel – Remove”.

NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

 

NOTICE

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.

 

Note: The two cylinder, the three cylinder and the four cylinder engines have different configurations for the flywheel housing and the back plate. The removal process is similar for all models.

 

1 Remove bolts (3) and remove the flywheel housing or back plate (2) from the cylinder block.

Remove and Install” for more information.

2 Remove crankshaft rear seal (1) from the cylinder block. Discard the crankshaft oil seal.

 

Installation Procedure

1 Ensure that the mating surface of cylinder block (5) and the flywheel housing or back plate (2) are clean and free from damage. Inspect dowels (4). If the dowels are damaged, use new parts for replacement.

2 Ensure that crankshaft flange (6) is clean and free from damage. It is possible to reclaim a crankshaft flange that has a worn seal surface, or a damaged seal surface by installing a wear sleeve.

Sleeve (Rear) – Remove and Install” for more information.

 

3 Apply clean engine lubricating oil to the flange of crankshaft (6) around the running surface of crankshaft rear seal.

 

4 Align a new crankshaft rear seal (1) with the flange of crankshaft (6). Carefully install crankshaft rear seal (1) onto the crankshaft flange.

 

5 Apply a continuous bead of Tooling (A) to the rear face of the cylinder block around the edge of crankshaft rear seal (1). Apply a continuous bead of Tooling (A) around plug (X).

 

6 Align the flywheel housing or back plate (2) to dowels (4). Install the flywheel housing or back plate (2) and install bolts (3) to cylinder block (5).

Housing – Remove and Install” for more information.

 

7 Tighten bolts (3).

 

More trouble repair case for Perkins,pls refer to:Perkins Trouble Repair