COPYRIGHT © 2020 SANDVIK MINING AND CONSTRUCTION OY
Page 60 - Specifications
Hammer specifications
255E
1. HAMMER SPECIFICATIONS
1.1 TECHNICAL SPECIFICATIONS
Item
Specification
Minimum working weight
1
1.
Includes average mounting bracket and standard tool
110 kg (243 lb)
Hammer weight
88 kg (194 lb)
Impact rate
2
2.
Actual impact frequency depends on oil flow, oil viscosity, temperature, and material to be broken
600...3200 bpm
Operating pressure
3
3.
Actual pressure depends on oil flow, oil viscosity, temperature, material to be broken and back pressure
95...150 bar (1380...2175 psi)
Pressure relief, min
4
4.
Minimum setting = actual operating pr 50 bar (730 psi)
150...200 bar (2175...2900 psi)
Pressure relief, max
220 bar (3190 psi)
Oil flow range
15...35 l/min (4.0...9.2 gal/min)
Back pressure, max
20 bar (290 psi)
Input power
8.8 kW (12 hp)
Tool diameter
40 mm (1.57 in)
Pressure line connection (IN)
BSPP-internal 1/2"
Return line connection (OUT)
BSPP-internal 1/2"
Pressure line size (minimum inner
diameter)
12 mm (0.47 in)
Return line size (minimum inner diameter) 12 mm (0.47 in)
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 oil viscosity range
20...1000 cSt
Mini excavator weight, optimum range
5
5.
Check carrier's lifting capacity from carrier manufacturer
1.4...2.1 t (3100...4600 lb)
Mini excavator weight, allowed range
6
6.
Check carrier's lifting capacity from carrier manufacturer
1.2...2.5 t (2600...5500 lb)
Skid steer, robot weight, optimum range
7
7.
Check carrier's lifting capacity from carrier manufacturer
0.9...1.4 t (2000...3100 lb)
Skid steer, robot weight, allowed range
8
8.
Check carrier's lifting capacity from carrier manufacturer
0.8...1.7 t (1800...3700 lb)
Noise level, measured sound power level,
LWA
9
9.
According to European Union DIRECTIVE 2000/14/EC
115 dB (115 dB)
Noise level, guaranteed sound power level,
LWA
10
10. According to European Union DIRECTIVE 2000/14/EC
119 dB (119 dB)
Summary of Contents for 255E
Page 1: ...Original instructions 8 20 OPERATOR S MANUAL OM255EENG 820 HYDRAULIC HAMMER RAMMER 255E...
Page 3: ...Operation Page 3 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E OPERATION...
Page 37: ...Lubrication Page 37 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E LUBRICATION...
Page 47: ...Maintenance Page 47 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E MAINTENANCE...
Page 59: ...Specifications Page 59 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E SPECIFICATIONS...
Page 67: ...Page 67 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY...
