| BLOCK ASSEMBLY, BOOM HEAD |
| BLOCK WELDMENT, HEAD |
| PIN |
| PIN, COTTER |
| SHEAVE |
| BEARING |
| FITTING, GREASE |
| SHEAVE |
| SPACER |
| PIN |
| WASHER, FLAT |
| NUT, LOCK |
| FITTING, GREASE |
| |
| (REPLACES ONE 63 163 FITTING UNDER ITEM 3) |
| EXTENSION, GREASE FITTING |
| BOLT |
| WASHER, LOCK |
| EAR |
| WASHER, THRUST |
| SPACER |
| PIN, BOOM |
| PIN, COTTER |