RING 2988103 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1857 Retaining Ring Pliers 1
B 1U-6683 Ring Expander 1
C 1P-0510 Driver Group 1 Start By:
Remove the pistons and connecting rods. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00535802
Use Tool (A) to remove two retaining rings (1) from piston (4).
Remove piston pin (2) and connecting rod (3) from piston (4). Note: Check the condition of the following parts: retaining rings (1), piston pin (2) and piston (4). If these items are worn or damaged, use new parts for replacement.
Illustration 2 g00535803
Illustration 3 g00535398
Illustration 4 g00535400
Remove piston rings (5) from pistons (4) with tool (B). Note: Check the condition of the piston rings. If the piston rings are worn or damaged, use new parts for replacement.
Illustration 5 g00770925
Remove connecting rod bearing (6) and two bolts (7) from connecting rod (3). Note: Check the condition of the following items: connecting rod bearing (6), connecting rod bolt (7), piston pin bushing (8) and connecting rod (3). If the items are worn or damaged, use new parts for replacement.
Illustration 6 g00535406
Use Tool (C) and a suitable press to remove piston pin bushing (8) from connecting rod (3).
Illustration 7 g00662979
Piston and Connecting Rod Assembly
(1) Retaining rings
(2) Piston pin
(3) Connecting rod
(4) Piston
(5) Piston rings
(6) Connecting rod bearing
(7) Connecting rod bolts
(8) Piston pin bushing