• Part No.: 86778719
• Part Weight:
• Product Name: Seal (Hydraulic Rock Drill Wiper Seal)
• Applicable Eqpt: Montabert HC28 Hydraulic Rock Drill/Drifter
• Replacement: Mandatory after 800h impact operation
• Core Advantages: Genuine OEM, Short Delivery, Competitive Price
• Key Function: Wipes debris from piston rod surface, preventing contamination of internal seals
The Seal 86778719 for HC28 Hydraulic Rock Drills protects internal seals. Generic wiper seals (rubber) wear in 500h (allowing 30% dust ingress); this OEM seal has a polyurethane lip, 800h wear ≤0.02mm, blocking 99% of mine dust.
| 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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