TUBE AS 3641545 - Caterpillar

Disassembly Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1P-1861 (1)
or
139-9039 (2)     Retaining Ring Pliers     1    
B     7M-3978 (3)
or
149-7179 (4)     Ring Expander     1    
( 1 ) Use with one-piece piston
( 2 ) Use with two-piece piston
( 3 ) Use with C-15 Engines
( 4 ) Use with C-16 EnginesStart By:
Remove the pistons and connecting rods. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Remove" for the procedure.Note: Mark the components of each piston and connecting rod assembly. The components must be reinstalled in the original location. Do not interchange components.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
One-piece piston
Illustration 1 g01033568
Remove bearings (5) from connecting rod (4) and connecting rod cap (6) .
Use Tooling (A) to remove retaining ring (2) .
Remove pin (3) and separate piston (1) from connecting rod (4) .
Use Tooling (B) to remove the piston rings from piston (1) .Two-piece piston
Illustration 2 g01033611
Remove bearings (16) from connecting rod (12) and connecting rod cap (17). Remove dowel (18) from connecting rod cap (17) .
Use Tooling (A) to remove retaining ring (14) .
Remove pin (15) and connecting rod (12) from the piston.
Use Tooling (B) to remove piston rings (7), (8), and (9) from the piston.
Separate piston crown (11) from piston skirt (13) .Note: Piston pin bearing (10) will be pushed out of connecting rod (12) during installation of the new bearing. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Assemble" for the procedure.