The Rammer 1655E hydraulic hammer is suitable for carriers in the 12 to 20 tonne range. The 870 kg hammer with an impact rate of 500 – 940 blows per minute, features Rammer’s Fixed Blow Energy operating principle, which ensures optimum impact energy with every blow, regardless of hydraulic flow fluctuations. The Rammer 1655E comes with the remote monitoring hardware RD3 installed.
SPECIFICATION
| Minimum working weight, flange mounted *1 | 1090 kg | 2400 lb |
| Weight | 870 kg | 1920 lb |
| Impact rate (frequency) | 540 – 920 bpm | |
| Operating pressure | 135 – 145 bar | 1960 – 2105 psi |
| Pressure relief setting *2 | 190 bar | 2755 psi |
| Pressure relief max | 220 bar | 3190 psi |
| Oil flow range | 90 – 130 l/min | 23.8 – 34.3 gal/min |
| Back pressure max | 10 bar | 145 psi |
| Input power | 31 kW | 42 hp |
| Tool diameter | 115 mm | 4.53 in |
| Pressure line connection (IN) | SAE 6000 psi 1″ | |
| Return line connection (OUT) | SAE 6000 psi 1″ | |
| Pressure line size, min. inner diameter | 26 mm | 1.02 in |
| Return line size, min. inner diameter | 26 mm | 1.02 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 | 12 – 20 t | 26500 – 44100 lb |
| Noise level, measured (2000/14/EC) | 123 dB(A) | |
| Noise level, guaranteed (2000/14/EC) | 127 dB(A) | |
| *1 Includes average mounting bracket and standard tool *2 Minimum setting = actually measured operating pressure + 50 bar or 725 psi *3 Check carrier allowed attachment weight from carrier manufacturer. Check application requirements. |
||
Specifications are subject to change without notice (Thursday, April 11, 2019)
