42. 1-2-3-4 and 4-5-6 Clutch Housing Inspection

1-2-3-4 and 4-5-6 Clutch Housing Inspection





1. Important: The power take-off (PTO) gears are permanently staked to the 1-2-3-4, 4-5-6 clutch housing and are not serviceable. Turbine tone wheels are serviceable.

Inspect the turbine tone wheel or PTO gear (3) for damage. Make sure a tone wheel is not dented or out-of-round.
If the PTO gear is damaged, replace the 1-2-3-4, 4-5-6 clutch housing. If the tone wheel is damaged, replace the tone wheel.
2. Measure the inside diameter (ID) of the 1-2-3-4, 4-5-6 clutch seal bore in the 1-2-3-4, 4-5-6 clutch housing (1) at dimension A. Replace the 1-2-3-4, 4-5-6 clutch housing (1) if the measurement exceeds the specification.
The 1-2-3-4, 4-5-6 clutch seal bore maximum ID is 74.05 mm (2.9154 inch)

3. Important: Replace the 1-2-3-4, 4-5-6 clutch housing bushing if the bushing is damaged or the specifications are not met.

Inspect the bushing (2) inside the front of the 1-2-3-4, 4-5-6 clutch housing (1) for damage.
4. Measure the ID of the bushing at dimension B. Replace the bushing if the measurement exceeds the specification.
The 1-2-3-4, 4-5-6 clutch housing bushing maximum ID is 78.17 mm (3.0776 inch).