SEAL 7K9218 - Caterpillar

Removal Procedure
Start By:
Remove the valve cover. Refer to Disassembly and Assembly, "Valve Cover - Remove and Install".
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.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.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.
Illustration 1 g00670986
Remove bolts (1) that hold rocker shaft assembly (2). Remove rocker shaft assembly (2). Place identification marks on the rocker shaft assembly so that the rocker shaft assembly can be installed in the same location.
Illustration 2 g01215883
Place identification marks on pushrods (5) for installation purposes and remove pushrods (5) .
Remove valve bridges (3). Identify the location of each valve bridge so that the valve bridges can be installed in the same location.
Inspect the bore of each bridge for roughness or wear. Be sure that the passage for lubrication in the bridge is not restricted.
Inspect bridge dowels (4) for roughness or wear. If necessary, replace the bridge dowels.