C7 Marine Engines Caterpillar


Pistons and Connecting Rods - Assemble

Usage:

C7 C7B

Assembly Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1U-6683     Ring Expander     1    
B     1P-1861     Retaining Ring Pliers     1    


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

Verify correct assembly of the pistons and the connecting rods. Ensure that the etched numbers on the rod and the rod cap are in the correct positions. The etched number on the rod and the rod cap correspond to the cylinder in which it should be installed.





    Illustration 1g01081596

  1. Check the clearance between the ends of piston rings (5). Refer to Specifications, "Piston and Rings".

    Note: The oil ring must be installed over the spring with the end gap 180 degrees from the oil ring spring joint.

  1. Install the oil control piston ring with Tooling (A). The ends of the spring should be rotated 180 degrees from the ring end gap.

  1. Install the intermediate piston ring with the side marked "UP-2" toward the top of the piston. Use Tooling (A) in order to install the ring.

  1. Install the top piston ring with the side marked "UP-1" toward the top of the piston. Use Tooling (A) in order to install the ring.



    Illustration 2g01081662

  1. Replace rod bearing (6) by pressing a new bearing into connecting rod (3). Refer to Special Instruction, SEHS7295 for more information.



    Illustration 3g01081595

  1. Position piston (1) on connecting rod (3). Coat pin (4) with clean engine oil and install pin (4). Use Tooling (B) in order to install retaining rings (2). Ensure that the retainer rings are in the grooves of piston (1) .

End By: Install the pistons and the connecting rods. Refer to Disassembly and Assembly, "Piston and Connecting Rods - Install".

Caterpillar Information System:

3126B Petroleum Engine Flash Programming
3126B Petroleum Engine Factory Passwords
3126B Petroleum Engine Customer Passwords
3126B Petroleum Engine Engine Wiring Information
3406E and 3456 Generator Set Engines CID 0248 FMI 09 CAT Data Link communications
C7 Marine Engines Pistons and Connecting Rods - Disassemble
C7 Marine Engines Pistons and Connecting Rods - Remove
C18 Marine Generator Set Engines Replacing the ECM
C7 Marine Engines Piston Cooling Jets - Remove and Install
G3600 Engines Unburned Gas - Purge
C-9 Engine for TK711, TK721, TK722, TK732, TK741, TK751, and TK752 Track Feller Bunchers Engine Wiring Information
2004/12/27 Coolant/Battery Tester Group Quickly Tests Coolant and Battery Acid {0773, 0785}
3126B Engine for Caterpillar Built Machines Alternator - Charging Problem
2004/09/01 Internal Components for Remanufactured Injectors are Now Coated for Increased Service Life {1290}
C7 Marine Engines Pistons and Connecting Rods - Install
3126B Petroleum Engine Electronic Service Tool Will Not Communicate with ECM
C-10 and C-15 Petroleum Engines Engine Cranks but Will Not Start
C-10 and C-15 Petroleum Engines Engine Misfires, Runs Rough or Is Unstable
3126B Petroleum Engine Engine Stalls at Low RPM
C27 and C32 Industrial and Petroleum Engines Engine Will Not Crank
C13, C15, and C18 Generator Set Engines Excessive Black Smoke
3126B Petroleum Engine Exhaust Temperature Is Too High
2004/07/01 Internal Components for Remanufactured Injectors are Now Coated for Increased Service Life {1290}
C-10 and C-15 Petroleum Engines Intermittent Engine Shutdown
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.