TM-9-2520-272-40

TM 9-2520-272-40

0052

REPAIR FOURTH AND REVERSE CLUTCH HOUSING ASSEMBLY

CAUTION

When you remove, handle, or install the clutch pack, make sure that all clutch plates and

plates stay in the same order and face the same direction. Under heat and pressure, clutch

plates can take on a conical shape, called coning. The degree of coning in each plate will be

different. When coned plates are mixed or turned over, they do not install correctly together.

This can keep plate surfaces from fully engaging. If this occurs, the clutch pack to may not

operate satisfactorily.

When you replace one clutch plate or plate, replace the entire clutch pack. Do not replace only

one clutch plate because a new plate will not have the correct surface contour to engage the

adjacent older plates, This will make the operation of the clutch pack unsatisfactory.

Clutch assemblies operate in pairs. When one clutch pack is defective, a second clutch pack

will often be defective. If one clutch pack is defective, it is necessary to inspect all clutch

assemblies in the range pack.

Remove Fourth and Reverse Clutch Housing Assembly Components

1. Remove retaining ring (Figure 1, Item 1).

2. Remove clutch plate (backing plate) (Figure 1, Item 2).

3. Remove clutch pack of f ve friction plates (Figure 1, Item 3) and f ve reaction plates (Figure 1, Item 4).

4. Compress the retaining plate (Figure 1, Item 6), using wrench, bar and stud assembly (Figure 1, Item 13), and

clutch compressor (Figure 1, Item 12), to get access to retaining ring (Figure 1, Item 5).

5. Remove retaining ring (Figure 1, Item 5).

6. Remove bar and stud assembly (Figure 1, Item 13) and clutch compressor (Figure 1, Item 12) from the housing

(Figure 1, Item 11).

7. Remove retaining plate (Figure 1, Item 6).

8. Remove 16 compression helical springs (Figure 1, Item 7).

9. Remove the piston (Figure 1, Item 10) from the clutch housing (Figure 1, Item 6).

10.Remove the inner seal (Figure 1, Item 10) and outer seal (Figure 1, Item 9) from piston (Figure 1, Item 8).

Discard seals (Figure 1, Item 9) and (Figure 1, Item 10).

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