C7.1 Marine Propulsion Engine Caterpillar


Flywheel - Remove and Install

Usage:

C7.1 GJN

Removal Procedure

Reference: Special Instruction, "Visual Service Procedures - Colors and Symbols" , M0066576.

Table 1
Required Tooling 
Tool  Part Number  Part Description  Qty 
Guide Stud 1/2 inch UNF by 4 inch 

Start By:

  1. Remove electric starting motor.


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




Illustration 1g06262467


Illustration 2g06262470


Illustration 3g06262471
Use a hammer and a punch to remove the ring gear from the flywheel.

Note: Identify the orientation of the teeth on the ring gear.

Installation Procedure

------ WARNING! ------

Always wear protective gloves when handling parts that have been heated.




Illustration 4g06262472
Raise the temperature of the ring gear to a maximum temperature of 270° C (518° F).

Note: Do not use a torch to heat the ring gear.

Note: Identify the orientation of the teeth on the ring gear.

Note: The chamfered side of the ring gear teeth must face toward the starting motor when the flywheel is installed. The chamfered side of the ring gear teeth ensures the correct engagement of the starting motor.



Illustration 5g06262495


Illustration 6g06262497


Illustration 7g06262498

  1. Check the run out of the flywheel. Refer to Testing and Adjusting, "Flywheel - Inspect" for further information.

End By:

  1. Install the electric starting motor.

Caterpillar Information System:

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