- Off-Highway Truck/Tractor
- 797 (S/N: 5YW1-UP)
- 797B (S/N: JSM1-UP)
- 797F (S/N: LAJ1-628; WSP1-129)
- 797B (S/N: JSM1-UP)
Description Of Change: Improved body rocker group is now used on the machines listed above. Improved body rocker group has new redesigned shoe assembly, new pin, and new bearing sleeve, and improves the service life of the body rocker group.
The height of the rocker shoe is increased to decrease the required shims. Shoe has also been redesigned to lower stresses to resist cracking.
Adaptable To:
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| Illustration 1 | g06188602 |
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| Illustration 2 | g06188604 |
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View of Area A (1) (2) (3) | |
| Parts List | ||||
| Item | Qty | New Part Number | Part Name | Former Part Number |
| 1 | 2 | Shoe As | ||
| 2 | 2 | Pin | ||
| 3 | 4 | Sleeve Bearing | ||
Note: Puller hole added to improve serviceability, improved coating to prevent corrosion, and optimized pin chamfer to lower contact stress.
New 518-9364 Pin (2) replaces former 149-1927 Pin in the body rocker group.
Note: Apply Loctite Graphite-50 Anti-Seize Lubricant (LB 8504 or LB 8009) or equivalent to the pin (2) during assembly.
Note: Shoulder added to the bearing to aid in bearing retention.
New 526-8424 Sleeve Bearing (3) replaces former 149-1920 Bushing in the body rocker group.
Improved body rocker group is adaptable to the machines within the listed serial numbers, and is effective in production with all machines after the listed serial numbers.