• Part No.: 86778602
• Part Weight:
• Product Name: Flange (Hydraulic Rock Drill Motor Flange)
• Applicable Eqpt: Montabert HC28 Hydraulic Rock Drill/Drifter
• Replacement: Replace when flange face wear >0.03mm (long-term use)
• Core Advantages: Genuine OEM, Short Delivery, Competitive Price
• Key Function: Connects hydraulic motor to gearbox, ensuring concentricity and torque transfer
The Flange 86778602 ensures alignment between motor and gearbox in HC28 Hydraulic Rock Drills. Generic cast iron flanges have poor flatness (≥0.05mm/m), causing 10% torque loss; this OEM forged steel flange has a flatness of ≤0.02mm/m, maintaining 99% torque efficiency. Its seal groove fits O-rings perfectly to prevent oil leaks.
| Model | Part No. | Description | Weight/Kg | Qty. | Unit | Replacement Part No. | |||
|---|---|---|---|---|---|---|---|---|---|
| HC28 | 86780483 | 200 hours Service kits | 1 | pcs | |||||
| HC28 | 86780491 | 400 hours Service kits | 1 | pcs | |||||
| HC28 | 86780509 | 800 hours Service kits | 1 | pcs | |||||
| HC28 | 86780517 | 1600 hours Service kits | 1 | pcs | |||||
| HC28 | 86780525 | 3200 hours Service kits | 1 | pcs | |||||
| HC28 | 86778503 | Flushing nozzle | 1 | pcs | |||||
| HC28 | 86747979 | Ring | 1 | pcs | |||||
| HC28 | 86772241 | Snap ring | 1 | pcs | |||||
| HC28 | 86809365 | Packing | 1 | pcs | |||||
| HC28 | 86235355 | O_ring | 2 | pcs | |||||
| HC28 | 86778560 | Retainer socket | 1 | pcs | |||||
| HC28 | 86778545 | Flushing ring | 1 | pcs | |||||
| HC28 | 86778651 | Snap ring | 1 | pcs | |||||
| HC28 | 86778644 | Shank protection | 1 | pcs | |||||
| HC28 | 86331766 | Adapter | 1 | pcs | |||||
| HC28 | 86263233 | Plug | 1 | pcs | |||||
| HC28 | 86726734 | Seal kit | 1 | pcs | |||||
| HC28 | 86392669 | Plug | 1 | pcs | |||||
| HC28 | 86778446 | Carter | 1 | pcs | |||||
| HC28 | 86778511 | Cover | 1 | pcs | |||||
| HC28 | 86778693 | Seal | 1 | pcs | |||||
| HC28 | 86255700 | O'ring | 1 | pcs | |||||
| HC28 | 86778586 | Ring | 1 | pcs | |||||
| HC28 | 86778594 | Drive component | 1 | pcs | |||||
| HC28 | 86778578 | Ring | 1 | pcs | |||||
| HC28 | 86778529 | Splined nut | 1 | pcs | |||||
| HC28 | 86778701 | Seal | 1 | pcs | |||||
| HC28 | 86793452 | Shank stop incl.: | 1 | pcs | |||||
| HC28 | 86611662 | Seal | 1 | pcs | |||||
| HC28 | 86778453 | Cylinder | 1 | pcs | |||||
| HC28 | 86729332 | Drive component | 1 | pcs | |||||
| HC28 | 86778719 | Seal | 1 | pcs | |||||
| HC28 | 86270618 | Adapter | 3 | pcs | |||||
| HC28 | 86263233 | Plug | 3 | pcs | |||||
| HC28 | 86392669 | Plug | 3 | pcs | |||||
| HC28 | 86492048 | Screw | 4 | pcs | |||||
| HC28 | 86796299 | Seals package | 1 | pcs | |||||
| HC28 | 101062720 | Cover | 1 | pcs | |||||
| HC28 | 86753852 | Diaphragm kit | 1 | pcs | |||||
| HC28 | 86600632 | Valve | 1 | pcs | |||||
| HC28 | 86580966 | Threaded plug | 1 | pcs | |||||
| HC28 | 86746575 | special screw | 10 | pcs | |||||
| HC28 | 86655214 | O_ring | 1 | pcs | |||||
| HC28 | 86221595 | Drive component | 1 | pcs | |||||
| HC28 | 86715489 | Upper cylinder | 1 | pcs | |||||
| HC28 | 101050719 | Pin | 1 | pcs | |||||
| HC28 | 86778461 | Strike piston | 1 | pcs | |||||
| HC28 | 86715422 | Distributor | 1 | pcs | |||||
| HC28 | 86715448 | Push rod | 1 | pcs | |||||
| HC28 | 86778495 | Piston cover | 1 | pcs | |||||
| HC28 | 86778487 | Cover | 1 | pcs | |||||
| HC28 | 86420098 | O_ring | 1 | pcs | |||||
| HC28 | 86326618 | O_ring | 1 | pcs | |||||
| HC28 | 86668860 | Roller thrust | 1 | pcs | |||||
| HC28 | 86668886 | Ring | 1 | pcs | |||||
| HC28 | 86712403 | Ring | 1 | pcs | |||||
| HC28 | 86684263 | Seal | 1 | pcs | |||||
| HC28 | 95687497 | socket head screw | 8 | pcs | |||||
| HC28 | 86778628 | Plug | 1 | pcs | |||||
| HC28 | 86785946 | O_ring | 1 | pcs | |||||
| HC28 | 86793338 | Adapter | 1 | pcs | |||||
| HC28 | 86656410 | O_ring | 1 | pcs | |||||
| HC28 | 86233574 | Plug | 1 | pcs | |||||
| HC28 | 86392669 | Plug | 1 | pcs | |||||
| HC28 | 86718004 | Hydraulic motor | 1 | pcs | |||||
| HC28 | 86238201 | O_ring | 1 | pcs | |||||
| HC28 | 96709274 | socket head screw | 1 | pcs | |||||
| HC28 | 86778602 | Flange | 1 | pcs | |||||
| HC28 | 86778610 | Threaded axle | 1 | pcs | |||||
| HC28 | 86587995 | O_ring | 1 | pcs | |||||
| HC28 | 86266301 | Adapter | 1 | pcs | |||||
| HC28 | 86247723 | Plug | 1 | pcs | |||||
| HC28 | 86796299 | Seals package | 1 | pcs | |||||
| HC28 | 86488475 | Plastic plug | 1 | pcs | |||||
| HC28 | 86793437 | Control gauge kit | 1 | pcs |
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