BEARING 1413049 - Caterpillar

A cracked cap is defined as a cap that has cracked but is not broken in two separate pieces.
Block Repair Options:
Block Option 1 - Repair for a Cracked Cap(s) Only:
With a cracked cap only, the chance of contingent cylinder block damage is relatively low.However, the block still needs to be inspected for damage and reusability verified.
1. Inspect all other main bearing caps for cracks per Procedure 1. Cracked caps must be replaced.2. Inspect the 'Z-Lock' width per Procedure 2.3. Inspect and check all main bearing bores per SEBF 8157.4. Visually inspect entire block for damage. Provided above inspections determine the cylinder block is reusable, the cracked main bearing caps need to be replaced and the cylinder block must be line bored oversize.5. Replace cap and line bore to size. Line bored cylinder blocks must meet the specifications called out in SEBF8157.
Dealers who are do not have the equipment or the capability to correctly line bore the block are not expected to line bore in order to complete the repair. In this case a new cylinder block should be installed. Dealers who have the equipment and experience to properly line bore should do so if the cylinder block meets the above guidelines.
Block Option 2 - Repair for Broken Cap(s)
Blocks with broken caps have a high probability that contingent damage has occurred. These blocks need to be carefully inspected for other damage.
1. Inspect all other main bearing caps for cracks per Procedure 1. Cracked caps must be replaced.2. Inspect the 'Z-Lock' width per procedure 2.3. Inspect and check all main bearing bores per SEBF 8157.4. Inspect block for cracks per procedure 3. Provided above inspections determine the cylinder block is reusable, the cracked main bearing caps need to be replaced and the cylinder block must be line bored oversize.5. Replace cap and line bore to size. Line bored cylinder blocks must meet the specifications called out in SEBF8157.
Dealers who are do not have the equipment or the capability to correctly line bore the block are not expected to line bore in order to complete the repair. In this case a new cylinder block should be installed. Dealers who have the equipment and experience to properly line bore should do so if the cylinder block meets the above guidelines.
Crankshaft Repair Options
Crankshaft Option 1 - Cracked Main Cap(s), No Spun Bearings.
For crankshafts that have operated with a cracked cap(s) only, the crankshaft can be cleaned, inspected and reused per SEBF 8043.
Crankshaft Option 2 - Broken Main Cap(s), No Spun Bearings.
For crankshafts that have been operated with a broken main cap(s) and have not spun a main bearing, there is a chance that crankshaft could be cracked due to unsupported operation.Crankshafts that fall into this category need to be inspected as follows.
1. Visually inspected per SEBF8043.2. Inspected for cracks in the main journal fillets per SEBF 8039. Crankshafts that are found to have cracking in the main journal fillets are not to be reused. Crankshaft Option 3 - Broken Main Cap(s), Spun