Forward Clutch Spring Disassemble, Removal and Installation

FORWARD CLUTCH SPRING DISASSEMBLE, REMOVAL PROCEDURE





1. Remove the overrun clutch hub retaining snap ring (638).
2. Remove the overrun clutch hub (639).
3. Remove the forward spring clutch inner race and input sun gear assembly (640).





4. Remove the spring assembly retainer rings (643).
5. Remove the forward spring assembly from the forward clutch outer race (644).

FORWARD CLUTCH SPRING ASSEMBLE, INSTALLATION PROCEDURE





1. Inspect the forward spring assembly (642) for the following conditions:
- Wear or damage
- Weak or broken springs

2. Inspect the forward clutch outer race (644) for the following conditions: Race wear or damage
- Spline wear
- Surface finish damage

3. Install the forward spring assembly (642) into the forward clutch outer race (644).





4. Inspect the spring assembly retainer rings (643) for wear or damage.
5. Install the spring assembly retainer rings (643) into the forward clutch spring assembly (644).





6. Inspect the forward spring clutch inner race and input sun gear assembly (640) for the following conditions:
- Damaged spline or gear teeth
- Ring groove damage
- Surface finish damage loose retainer
- Wear
- Cracks

7. Install the forward spring clutch inner race and input sun gear assembly (640) into the forward spring and outer race assembly.





8. Inspect the overrun clutch hub (639) for the following conditions:
- Spline damage Plugged lubrication holes
- Damaged tangs
- Cracks

9. Install the overrun clutch hub (639) onto the spring clutch inner race and input sun gear assembly (640).
10. Install the overrun clutch hub retaining snap ring (638).
11. Test the assembly for proper operation.

Important: If the assembly operates backwards, you have installed the spring backwards. Reassemble the spring correctly.





12. Install the forward clutch spring and input sun gear assembly into the input clutch housing.
13. Index the overrun clutch hub into the overrun clutch plates.