DRUM A-DRIVING 8H6843 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 6V-6192 Pliers 1
B 7M-3978 Piston Ring Expander Gp 1 Start By:
Remove the pistons and connecting rods. 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.
Illustration 1 g01017728
Remove connecting rod bearing (9) from connecting rod bearing cap (10). Remove connecting rod bearing (9) from connecting rod (6).
Use Tooling (A) to remove pin retainer (5) from piston body assembly (4).
Remove connecting rod pin (8) and connecting rod (6) from piston body assembly (4).
Use Tooling (B) to remove piston rings (1), (2), and (3) from piston body assembly (4).
Do not remove bearing (7) from connecting rod (6) at this time.