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Part Number: 3161 1224 80 (3161122480)
The Basic Part Set 3161 1224 80 forms the structural and mechanical foundation of the DHR 48 H rotation unit. It includes the housing, spindle, bearings, seals, and internal components that ensure stable torque transmission and long-term reliability for both DTH and rotary drilling operations.
| Ref. | Part No | Qty | Description |
|---|---|---|---|
| – | 4350 2584 05 | 1 | Spare parts set — CHANGE EVERY 1000 HOURS (POS 2, 4–7, 12, 15, 38–43, 10A–B) |
| – | 4350 2584 06 | 1 | Spare parts set — CHANGE EVERY 2000 HOURS (POS 2–7, 9, 12, 14–16, 19–21, 23, 25, 27, 31–32, 34, 38–43, 46–47, 10A–B) |
| 1 | 3161 1236 00 | 1 | Spindle |
| 2 | 0666 8000 17 | 1 | Axial seal |
| 3 | 0337 7523 00 | 1 | Flat key 126/140×18 VS 25×14×80 DIN 6885 A |
| 4 | 3161 1028 00 | 1 | Connecting pipe |
| 5 | 0666 7155 01 | 2 | Radial lip seal Simrit 45/65×7/6 |
| 6 | 3161 1041 00 | 2 | Back-up ring |
| 7 | 0335 2154 00 | 2 | Circlip SGH 65×2.5 DIN 472 |
| 8 | 3161 1224 00 | 1 | Gear housing |
| 9 | 0509 0124 00 | 2 | Roller bearing 120/215×43.5 |
| 10A | 3128 3062 32 | 1 | Shim 4×0.15 |
| 10B | 3128 3062 33 | 1 | Shim 5×0.2 |
| 11 | 3161 1230 00 | 1 | Back-up ring |
| 12 | 0666 6000 10 | 2 | Radial lip seal Simrit 140/170×13 |
| 13 | 3161 1229 00 | 1 | Cover lock |
| 14 | 0544 2162 00 | 3 | Grease nipple |
| 15 | 0147 1485 03 | 8 | Screw, hex head M16×80–8.8 FZB |
| 16 | 0102 0626 00 | 2 | Pin ISO 7–R 1/8 Type AH M16×80–8.8 FZB (CP 16M6×40–11 1922 04) |
| 17 | 0371 1102 00 | 1 | Lifting eye SS 1899–M12 |
| 18 | 3161 1232 00 | 1 | Gear wheel |
| 19 | 0335 2192 00 | 1 | Circlip SGH 200×4 DIN 472 |
| 20 | 3161 1233 00 | 1 | Back-up ring |
| 21 | 0508 1100 19 | 1 | Roller bearing 130/200×33 |
| 22 | 3161 1231 00 | 1 | Spacer sleeve |
| 23 | 0339 1000 08 | 1 | Ring spring 95×135 RFN 7012 |
| 24 | 3161 1094 00 | 1 | Nut |
| 25 | 0211 1963 15 | 1 | Screw MC6S M10×70–12.9 Gulkrom |
| 26 | 3161 1225 00 | 1 | End piece (incl. 12× thread insert 0259 2042 00) |
| 27 | 0259 2042 00 | 12 | Thread insert Heli-Coil M10×1.5 D |
| 28 | 0372 4134 00 | 1 | Shackle SMS 1619 B 0.9 ton |
| 29 | 3161 0751 00 | 1 | Ring |
| 30 | 3161 0752 00 | 1 | Chain |
| 31 | 0111 1375 00 | 1 | Split pin 5×32 SP 1325-00 |
| 32 | 3161 0632 00 | 1 | Valve |
| 33 | 3161 0633 00 | 1 | Cover lock |
| 34 | 0663 6143 00 | 1 | O-ring 94.5×3 70 Shore |
| 35 | 4350 2582 14 | 1 | Air connection (Page 13) |
| 36 | 3176 6348 00 | 1 | Nipple UNF 9/16–G 1/4 |
| 37 | 3176 5429 00 | 1 | Cap UNF 9/16 |
| 38 | 0211 1960 81 | 12 | Screw MC6S M10×30–12.9 |
| 39 | 0508 1100 20 | 2 | Roller bearing 30/62×20 |
| 40 | 3161 1234 00 | 2 | Gear wheel |
| 41 | 3161 1173 00 | 2 | Spacer |
| 42 | 0508 1308 00 | 2 | Roller bearing 40/80×18 |
| 43 | 0666 6000 35 | 4 | Radial lip seal 40×62×7 |
| 46 | 0147 1487 03 | 8 | Screw, hex head |
| 47 | 0686 9252 27 | 3 | Protection cap M16×90–8.8 FZB 12×12 PELD / RED |
| 48 | 0244 4143 00 | 4 | Drive screw |
| 49 | 3161 0831 00 | 1 | Plate KDS 2.5×5 SMS 1549 FZB |
| 50 | 0147 1398 03 | 1 | Screw, hex head |
| 51 | 0301 2358 00 | 1 | Washer M12×20–8.8 FZB 13/24×2.5–HB 200 FZB |
All components of the 3161 1224 80 Basic Part Set are manufactured according to OEM specifications for Atlas Copco and Epiroc drilling systems. TechCom supplies original and OEM spare parts for reliable operation and long service life of your DHR 48 H rotation unit.
See the full catalog of spare parts for the DHR 48 H to find compatible components for your drilling system.
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