| Item | Part No. | Part Name | Qty | Serial No. |
| 421-40-22110 | WHEEL ASS'Y | 55001- | ||
| 1 | 421-40-22120 | WHEEL | 55001- | |
| 2 | 421-40-22140 | KNOB ASS'Y | 55001- | |
| 3 | 421-40-22150 | BUSHING | 55001- | |
| 4 | 421-40-22160 | PIN,SPRING | 55001- | |
| 5 | 421-40-22170 | CONTACT ASS'Y | 55001- | |
| 6 | 421-40-22180 | PAD | 55001- | |
| 7 | 421-40-22210 | SPRING LOCK,SPRING | 55001- | |
| 8 | 362-43-15210 | NUT | 55001- | |
| 9 | 362-43-15220 | WASHER | 55001- | |
| 10 | (421-40-22310) | COLUMN ASS'Y | 55001- | |
| 11 | 01011-81020 | BOLT | 55001- | |
| 12 | 01643-31032 | WASHER | 55001- | |
| 13 | 01596-01009 | NUT | 55001- | |
| 14 | 421-40-22650 | SHIM¤ 0.5MM | 55001- | |
| 15 | 421-40-22630 | BUSHING | 55001- | |
| 16 | 01010-51025 | BOLT | 55001- | |
| 17 | 01602-21030 | WASHER,SPRING | 55001- | |
| 18 | 01642-21016 | WASHER | 55001- | |
| 19 | 418-43-18240 | SPRING | 55001- | |
| 20 | 425-54-22240 | SUPPORT | 55001- | |
| 21 | 01435-01020 | BOLT | 55001- | |
| 22 | 421-54-22230 | SUPPORT | 55001- | |
| 23 | 01435-00612 | BOLT | 55001- | |
| 24 | 421-54-22240 | SUPPORT | 55001- | |
| 25 | 01435-00612 | BOLT | 55001- | |
| 26 | 425-54-22231 | BRACKET | 55001- |