| Item | Part No. | Part Name | Qty | Serial No. |
| PRE-CLEANER (SEE FIG. A1410-A3G10) | ||||
| 1 | 421-U12-3120 | HOOD | ||
| 2 | 421-U12-3130 | BODY | ||
| 3 | 421-U12-3140 | CLAMP | ||
| 4 | 421-U12-3150 | ROTOR | ||
| 5 | 421-U12-3160 | BOLT | ||
| 6 | 421-U12-3170 | RING, SNAP | ||
| 7 | 421-U12-3180 | BEARING | ||
| 8 | 421-U12-3190 | BUSHING | ||
| 9 | 421-U12-3210 | WASHER | ||
| 10 | 421-U12-3220 | WASHER | ||
| 11 | 421-U12-3230 | NUT | ||
| 12 | 421-U12-3240 | BOLT | ||
| 13 | 421-U12-3250 | NUT | ||
| 14 | 421-U12-3260 | PLUG |