rammer

522

Rammer 522 hydraulic hammer is extremely versatile and has been designed, so that it can be utilized in an infinite number of applications.

Featuring a patented, integrated mounting bracket which is capable of accommodating; Pin, bracket or quick-hitch mounting solutions, this state-of-the-art hammer and it's unbreakable tool has given a new meaning to the word durability when it comes to compact hammers.

Features

  • Unbreakable tool
  • Membrane type accumulator
  • Twin-handed
  • CBE (Constant blow energy)
  • No tie rods
  • composite bushing - no greasing

Applications

  • Primary Demolition
  • Secondary Demolition

Specifications

Weight 212 kg 470 lb
Working length 1140 mm 44.88 in
Minimum working weight, flange mounted  *1 220 kg 490 lb
Minimum working weight, pin mounted  *2 245 kg 540 lb
Impact rate (frequency) 400 - 1900 bpm
Operating pressure 110 - 150 bar 1595 - 2175 psi
Pressure relief min  *3 160 bar 2320 psi
Pressure relief max 220 bar 3190 psi
Pressure in LP-circuit 36 - 38 bar 520 - 550 psi
Oil flow range 20 - 70 l/min 5.3 - 18.5 gal/min
Back pressure max 20 bar 290 psi
Input power 17.5 kW 23 hp
Tool diameter 150 mm 5.91 in
Pressure line connection (IN) SAE J514 37° (JIC) - 10 MALE
Return line connection (OUT) SAE J514 37° (JIC) - 10 MALE
Pressure line size  *4 16 mm 0.63 in
Return line size  *4 16 mm 0.63 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 viscosity range 20 - 1000 cSt
Miniexcavator weight, optimum 2.9 - 4.2 t 6400 - 9300 lb
Miniexcavator weight, range  *5 2.5 - 5.5 t 5500 - 12100 lb
Skid steer, robot weight, optimum 1.9 - 2.8 t 4200 - 6200 lb
Skid steer, robot weight, range  *5 1.6 - 3.9 t 3500 - 8600 lb
Noise level, measured (2000/14/EC) 133 dB(A)
Noise level, guaranteed (2000/14/EC) 137 dB(A)
*1   Includes average mounting bracket and standard tool
*2   Includes average mounting pins and standard tool
*3   Minimun setting = actual operating pressure + 50 bar or 725 psi
*4   minimum inner diameter
*5   Check carrier allowed attachment weight from carrier manufacturer. Check application requirements.

 

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