BOLT 7Y1727 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1U-9593 (1)     Cylinder Pack Puller     1    
129-6675 (2) Cylinder Pack Puller     1    
1U-9897 Bridge Group     1    
1U-6319 Socket     1    
( 1 ) The 1U-9593 Cylinder Pack Puller is for use on C-10 Engines.
( 2 ) The 129-6675 Cylinder Pack Puller is for use on C-12 Engines.Start By:
Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove".
Remove the piston cooling jets. Refer to Disassembly and Assembly, "Piston Cooling Jets - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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 Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01022478
Remove connecting rod cap bolts (2) from each connecting rod. Remove connecting rod caps (4) .
Tap connecting rod (3) away from the crankshaft with a soft hammer. Remove the top half of connecting rod bearing (1) .
When removing the cylinder liner, watch the rod, and prevent it from catching on the bore in the cylinder block as it comes out.
Illustration 2 g01022480
Install Tooling (A) and remove cylinder liner (5), piston assembly and connecting rod.
Remove Tooling (A) from the cylinder liner.
Remove the connecting rod and the piston from the cylinder liner. Remove seal (6) from the cylinder liner.