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Percussion Parts for Montabert HC158
The percussion part (striker assembly) used in Montabert HC158 hydraulic drifters is responsible for generating impact energy and transmitting the impact force to the drill string. This assembly includes the main striking components, distribution elements, sealing parts, and fastening hardware required for reliable and continuous percussion performance.
Components included in the percussion part
| Item | Part No. | Name | Qty | Remarks |
| 10 | 86374030 | Body | 1 | - |
| 20 | 86385135 | Body | 1 | - |
| 30 | 86385119 | Body (including internal components) | 1 | Includes item 40 |
| 40 | 86264678 | Helicoil thread UNF 3/4" | 1 | Installed in body |
| 50 | 86374055 | Cover | 3 | - |
| 60 | 86376191 | O-ring | 3 | Seal item |
| 70 | 86634003 | Diaphragm kit | 3 | Service kit |
| 80 | 86241403 | BS ring | 3 | - |
| 90 | 86265048 | Inflating screw | 3 | - |
| 100 | 86223419 | Pin | 2 | - |
| 110 | 86265071 | O-ring | 8 | Seal item |
| 120 | 86326493 | O-ring | 3 | Seal item |
| 130 | 86570447 | Tight seal | 10 | Sealing component |
| 140 | 86221413 | Socket head screw UNF 3/4" | 4 | - |
| 150 | 86223971 | Cylinder | 1 | - |
| 160 | 86223534 | Distributor | 1 | - |
| 170 | 86417441 | Thrust piston | 1 | Cylinder E |
| 180 | 86578580 | Strike piston | 1 | Main percussion piston |
| 190 | 86324738 | Cover | 1 | Distribution section |
| 200 | 86265071 | O-ring | 1 | Seal item |
| 210 | 86326493 | O-ring | 1 | Seal item |
| 220 | 86250867 | Socket head screw UNF 3/4" | 1 | - |
| 230 | 86333267 | Threaded plug | 1 | - |
| 240 | 86281979 | O-ring | 1 | Seal item |
| 250 | 86223914 | Distribution cover | 1 | - |
| 260 | 86220944 | Valve | 1 | - |
| 270 | 86417425 | Push rod | 1 | - |
| 280 | 86417433 | Push rod lining | 1 | - |
Browse the complete spare parts catalog for the Montabert HC158 hydraulic drifter to find original components and service parts for the percussion system.