| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | BOOM EXTENSION & HEAD BLOCK (SEE PG 17-036) | |||
| 2 | 78 436 | PIN | ||
| 103 387 | PIN, COTTER | |||
| 3 | 89 370 | SHEAVE | ||
| 65 595 | BEARING | |||
| 63 163 | FITTING, GREASE | |||
| 89 363 | SHEAVE | |||
| 4 | 63 720 | SPACER | ||
| 5 | 92 344 | PIN | ||
| 6 | 85 044 | WASHER, FLAT | ||
| 7 | 57 988 | NUT, LOCK | ||
| 8 | 68 635 | FITTING, GREASE | ||
| (REPLACES A FITTING - P/N 63 163 - UNDER ITEM 3) | ||||
| 9 | 72 190 | EXTENSION, GREASE FITTING | ||
| 10 | 63 717 | WASHER, THRUST |