RING-BACKUP 1504105 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 9S-9082 Engine Turning Tool 1
B 1P-1861 Retaining Ring Pliers 1
C 6V-4020 Piston Ring Expander 1
D 5P-8639 Hydraulic Press 1
5P-9725 Hydraulic Cylinder 1
8F-0024 Hose Assembly 1
1P-2375 Connecting Coupler 1
1P-2376 Connecting Coupler 1
5P-8649 Adapter 1
6V-3043 Spacer 1
6V-3042 Adapter 1
2D-2825 Hydraulic Pump 1
5P-8640 Bar Clamp 1 Start By:
Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove".
Remove the piston cooling jets. 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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Use Tooling (A) to turn the engine to access the bolts in the connecting rod cap.
Mark the cylinder number on each connecting rod and the corresponding connecting rod cap.Note: The front of the engine is opposite the flywheel end. The No. 1 cylinder is at the front of the engine on the right side. The No. 2 cylinder is on the left side.
Illustration 1 g00582418
Remove bolts (1) and connecting rod cap (2) from the connecting rod.
Remove the bearings from connecting rod cap (2) and the connecting rod.
Illustration 2 g00764667
Push piston (3) out of the cylinder block until the piston rings are out of the cylinder liner.
Remove piston (3) and the connecting rod assembly.
Illustration 3 g00764676
Use Tooling (B) to remove the retaining rings that hold piston pin (5).
Remove piston pin (5).
Remove piston (3) from connecting rod (4).
Illustration 4 g00764680
Use Tooling (C) to remove piston rings (6) from piston (3).
Clean the piston ring grooves with an acceptable ring groove tool. Refer to Guideline For Reusable Parts, SEBF8059-01, "Procedure To Clean And Inspect 3500 Series Engine Pistons" for the correct procedure for cleaning the pistons.
Raise the temperature of connecting rod (3) to a temperature of 218° 40°C (425° 75°F).Note: Do not use a direct flame to raise the heat of the connecting rod.
Illustration 5 g00582422
Place spacer (14) in the