| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 1101 748 C1 | SEAL, WIPER | | |
| 2 | 109 461 | FITTING, LUBRICATION | | |
| 3 | 1121 292 C2 | SHAFT, LOCK PIN | | |
| 24 884 R1 | BOLT, 3/4NC X 1 | | |
| 932 279 C1 | WASHER, FLAT | | |
| 1202 187 H1 | SHIM, 0.060 IN (16 GA.) | | |
| 1202 188 H1 | SHIM, 0.120 IN (11 GA.) | | |
| 4 | | BOOM ASSEMBLY (SEE PG 17-004) | | |
| | BOOM ASSEMBLY (SEE PG 17-006) | | |
| | BOOM ASSEMBLY (SEE PG 17-008) | | |
| 5 | 109 461 | FITTING, LUBRICATION | | |
| 6 | 1121 295 C2 | SHAFT, LOCK PIN | | |
| 24 884 R1 | BOLT, 3/4NC X 1 | | |
| 932 279 C1 | WASHER, FLAT | | |
| 7 | 1101 746 C1 | SEAL, WIPER | | |
| 8 | | LINK, ACTUATING (SEE PG 17-010) | | |
| 9 | 1121 513 C1 | SHIM, 0.120 IN (11 GA.) | | |
| 1121 514 C1 | SHIM, 0.060 IN (16 GA.) | | |
| 10 | 1126 045 C2 | SHAFT, LOCK PIN | | |
| 24 884 R1 | BOLT, 3/4NC X 1 | | |
| 932 279 C1 | WASHER, FLAT | | |
| 11 | | BELLCRANK (SEE PG 17-012) | | |
| 12 | 1121 291 C2 | SHAFT, PIN LOCK | | |
| 24 884 R1 | BOLT, 3/4NC X 1 | | |
| 932 279 C1 | WASHER, FLAT | | |
| 1202 187 H1 | SHIM, 0.060 IN (16 GA.) | | |
| 1202 188 H1 | SHIM, 0.120 IN (11 GA.) | | |
| 13 | 1101 748 C1 | SEAL, WIPER | | |
| | | | |
| | F1 - MAXIMUM ALLOWABLE GAP 0.12 | | |
| | SHIMMING AT PIVOT. | | |
| | | | |
| | F2 - STANDARD BOOM. | | |
| | | | |
| | F3 - BOOM USED WITH AUXILIARY HYDRAULIC KIT. | | |
| | | | |
| | F4 - BOOM USED ON 520CH ONLY, FOR HIGH LIFT ATTACHMENT | | |
| | | | |
