Rammer Large Range - 3288

 

The use of advanced hydraulics, materials technology, strength calculations, impact wave theory and production technology has enabled Rammer to create hydraulic hammers that are powerful, durable, cost-effective and the undisputed leaders in their class.

Rammer 3288 Rockbreaker has been designed using a revolutionary new operating principle that combines stroke length, blow energy and Rammer’s idle blow protector, allowing the hammer to be adjusted to match individual carriers and applications, improving hydraulic efficiency and safety.

 

 Features

  • Membrane type accumulator
  • Sound supressed
  • FBE (Fixed blow energy)
  • Lifetime warranty
  • Ramlube I (Optional)
  • Ramlube II (Optional)
  • VIDAT tie rods
  • Heavy duty housing (Optional)
  • Idle blow protector (Optional)
  • Stroke Selector
  • Indexable power cell (left or right handed)

 Applications

  • Primary Demolition
  • Boulder Breaking
  • Trenching
  • Secondary Demolition
  • Tunneling
  • Primary Breaking

 Rammer3288

Specifications

Weight 2040 kg 4500 lb
Working length 2581 mm 101.6 in
Minimum working weight, flange mounted  *1 2400 kg 5290 lb
Impact rate, Long stroke 370 - 630 bpm
Impact rate, Short stroke 460 - 740 bpm
Operating pressure 150 - 160 bar 2175 - 2320 psi
Pressure relief min  *2 220 bar 3190 psi
Pressure relief max 240 bar 3480 psi
Oil flow range 160 - 250 l/min 42.3 - 66.0 gal/min
Back pressure max 10 bar 145 psi
Input power 67 kW 90 hp
Tool diameter 142 mm 5.59 in
Pressure line connection (IN) SAE 6000 psi 1 1/4"
Return line connection (OUT) SAE 6000 psi 1 1/4"
Pressure line size  *3 32 mm 1.26 in
Return line size  *3 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, optimum  *4 28 - 38 t 61700 - 83800 lb
Carrier weight, range  *4 26 - 40 t 57300 - 88200 lb
Noise level, measured (2000/14/EC) 124 dB(A)
Noise level, guaranteed (2000/14/EC) 128 dB(A)
*1   Includes average mounting bracket and standard tool
*2   Minimun setting = actual operating pressure + 50 bar or 725 psi
*3   minimum inner diameter
*4   Check carrier allowed attachment weight from carrier manufacturer. Check application requirements.

 

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