BEARING 8X4161 - Caterpillar

Required Tools
Table 1 contains the tooling required for this procedure.
Table 1
Required Tooling
Item Qty Part Number Part Name
1 1 533-1163 Tool Gp Height Check Procedure
Table 2 contains the specifications for each engine size and platform.
Table 2
Piston Height Tool Specifications
Engine Sales Model Gauge Movement Specification
C9.3 Tier 4 Interim Measured movement > 5.40 mm (0.213 inch)
C9.3 Tier 4 Final Measured movement > 5.90 mm (0.232 inch)
C13 Tier 4 Interim
C13 Tier 4 Final Measured movement > 4.50 mm (0.177 inch)
C15 Tier 4 Interim
C15 Tier 4 Final Measured movement > 4.50 mm (0.177 inch)
C18 Tier 4 Interim
C18 Tier 4 Final Measured movement > 4.50 mm (0.177 inch) The measurement that is obtained with the piston height tool should be greater than the tolerance provided in the table above. If the measurement is lower, the cylinder head needs to be removed and the connecting rods inspected for being bent. Refer to the appropriate Disassembly and Assembly manual for the removing of the related components.
Accidental engine starting can cause injury or death to personnel working on the equipment.To avoid accidental engine starting, disconnect the battery cable from the negative (−) battery terminal. Completely tape all metal surfaces of the disconnected battery cable end in order to prevent contact with other metal surfaces which could activate the engine electrical system.Place a Do Not Operate tag at the Start/Stop switch location to inform personnel that the equipment is being worked on.
Note: DO NOT TURN THE ENGINE OVER WITH KEY SWITCH.
Turn the engine over by hand with turning tool to see if engine is hydro-locked.Note: Normal engine rotation is counter-clockwise using the engine flywheel or clockwise if viewing rotation from the engine damper.
If the engine abruptly stops, coolant is present in a cylinder and the fuel injectors need removed.
Remove the coolant and check the piston height, refer to Disassembly and Assembly, Electronic Unit Injector – Remove and Install.Check he piston height if the machine was started or attempted to be started with the engine hydro-locked. Or check the piston height if there is suspicion of engine hydro-locked caused by NRS cooler failure.
Remove all the coolant from the cylinders by using a vacuum pump called out in Disassembly and Assembly, Electronic Unit Injector – Remove and Install.Note: For C9.3 engines, the rocker mechanisms do not need to be removed to access the fuel injectors or perform the piston height check.
Illustration 1 g06256316
Example of piston height tool for the C9.3 Tier 4 Interim engines
Illustration 2 g06256320
Example of piston height tool for the C9.3 Tier 4 Final engines
Illustration 3 g06256321
Example of piston height tool for the C13 Tier 4 Interim and Tier 4 Final engines
Illustration 4 g06256322
Example of piston height tool for the C15 and C18 Tier 4 Interim and Tier 4 Final engines
Install tool group (1) in cylinder 1 and cylinder 6. Make sure that the dial indicator is zeroed before installation.
Use the injector hold-downs to hold the tooling in place. Make sure that the injector hold-down is tight against the cylinder head.
Turn the engine over by hand with the engine turning tool.
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