3288 PRO
3288 PRO
The Rammer 3288 PRO is compatible with carriers in the 28 to 45 tonne range. The 2,600 kg hammer has been designed based on the field proven Rammer 3288 hammer and shares with it many key features that have established that unit as one of the most popular large hammers in the world. These standard Rammer 3288 features are backed by a range of enhancements that help the 3288 PRO withstand extreme working conditions. The unit benefits from a sealed housing structure that prevents the ingress of dust and dirt, thereby extending the working life of both the hammer and the tool. A top cover plate has sealed through apertures for stump hydraulic hoses and features sealed hose connections for grease, air and water. The hammer has a sturdy housing design and wear resistant wear plates that make it perfect for horizontal working duties in applications such as tunneling.3288 PRO
Features
- High pressure membrane accumulator
- Indexable power cell (left or right handed)
Vibration and sound suppressed - PRO / Tunnel housing
- Optimized hydraulic connection points towards carrier
- PRO / Tunnel suspension
- FBE (Fixed Blow Energy)
- PRO / Tunnel powercell
- RamValve
- Idle blow protector
- Stroke selector
- VIDAT tie rods
- RAMLUBE I (optional)
- Factory Installed Ramdata II
- Ramair (optional)
AGW (optional) - RAMMER Water-Jet (dust suppression)
Applications
- Primary demolition
- Hammer tunneling
- Recycling
Specification
| Minimum working weight, flange mounted *1 | 2600 kg | 5730 lb |
| Weight | 2240 kg | 4940 lb |
| Impact rate, Long stroke | 320 – 560 bpm | |
| Impact rate, Short stroke | 380 – 630 bpm | |
| Operating pressure | 135 – 145 bar | 1960 – 2105 psi |
| Oil flow range | 160 – 230 l/min | 42.3 – 60.8 gal/min |
| Pressure relief setting *2 | 220 bar | 3190 psi |
| Pressure relief max | 240 bar | 3480 psi |
| Back pressure max | 10 bar | 145 psi |
| Input power | 56 kW | 75 hp |
| Tool diameter | 142 mm | 5.59 in |
| Pressure line connection (IN) | ORFS ISO 8434-3 (1 11/16-12 UN) | |
| Return line connection (OUT) | ORFS ISO 8434-3 (1 11/16-12 UN) | |
| Pressure line size, min. inner diameter | 32 mm | 1.26 in |
| Return line size, min. inner diameter | 32 mm | 1.26 in |
| Grease connection | BSPP-internal 3/8″ | |
| Air connection (A) | BSPP-internal 3/8″ | |
| Optimum oil temperature | 40 – 60 °C | 104 – 140 °F |
| Allowed oil temperature range | -20 – 80 °C | -4 – 176 °F |
| Optimum oil viscosity at operating temperature | 30 – 60 cSt | |
| Allowed viscosity range | 20 – 1000 cSt | |
| Carrier weight, range *3 | 28 – 45 t | 61700 – 99200 lb |
| Noise level, measured (2000/14/EC) | 121 dB(A) | |
| Noise level, guaranteed (2000/14/EC) | 125 dB(A) | |
| *1 Includes average mounting bracket and standard wear parts *2 Minimum setting = actually measured operating pressure + 50 bar or 725 psi *3 Check carrier allowed attachment weight from carrier manufacturer. Check application requirements. |
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