| Serial # Range | Summary of Change / Description | Part # | Doc # | Download Link |
|---|---|---|---|---|
| 25898 - 26000 | O-Ring Ports on Cylinder | 662000 | 662098 | Download Manual |
| 25670 - 25897 | Changed to Bi-Rotational Pump and Removed 6628 pgs | 662000 | 628031 | Download Manual |
| 25464 - 25669 | Removed VC620 pgs (no changes to design) | 662000 | 628030 | Download Manual |
| 20663 - 25463 | Updated Power Unit Pages | 662000 | 520094 | Download Manual |
| 20662 - | Original Design | 662000 | 520068 | Download Manual |
