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CME-55LC Brochure	CME Product Catalog

Automatic SPT hammer^†

The CME-140 pound (63.5 kg) automatic hammer gives you extremely consistent and accurate Standard Penetration Test results, meeting all ASTM-D-1586 requirements. That’s because there are no ropes or cables to impede the free fall of the weight. The hammer swings from stored position to on-hole position. Since raising and lowering is done hydraulically, set up is quick and almost effortless. For maximum safety, all moving parts are enclosed, including the impact area between the weight and the anvil. Other hammer sizes are available including 170 pound (77.1 kg), 300 pound (136.1 kg), and 340 pound (154.2 kg).

Hydraulic rod holder and breakout wrench^†

The hydraulic rod holder and breakout system makes your job quicker and safer. It eliminates the need for a pipe wrench and a cheater bar to break tight connections. It’s also perfect for suspending tools in the hole while adding or pulling rods. The system not only pivots from on-hole to off-hole positions, but also hydraulically moves in and out. Systems and jaw sizes available up to 6-5/8 inch (16.83 cm) diameter. Adjustable height is also available.

Slide bases make the job easier and quicker

Slide base options are available for both in-out and sideways movement of the drill on the platform. An 18 inch (46cm) in-out movement allows you to quickly move the drill off the bore hole and align the sheaves for lifting tools with the cathead or any of the hoists. A 16 inch (41cm) sideways movement gives you even more versatility. Aligning the augers or rods when making connections is easy, or if the bit drifts off at an angle when starting a hole, you can quickly straighten it to a vertical position. Since the upright and optional mast are mounted directly to the drill frame, they move with the drill when the slide base is used.

Cone Penetrometer Testing (CPT)

CPT controls allow you to easily switch from typical geotechnical drilling and sampling procedures to pushing a cone. A dedicated hydraulic circuit including detented CPT control lever, hydraulic down feed pressure and CPT feed rate controls provide precise pressure and penetration adjustments required to meet ASTM standards. A separate CPT system hydraulic pressure gauge is provided as well. Anchor points are installed below the drill feed frame so that maximum available pressure can be applied to the CPT tools. A 12-volt power source can be provided at the drill control panel to accommodate electronic devices associated with CPT procedures. Mounting for depth transducers or other related equipment can also be provided.

Additional optional equipment

• Drill platform
  • Auger racks
  • Rod racks
  • Tool boxes
  • Water tanks
  • Work tables
  • Leveling jacks
• Spindle adaptor
• Water swivel
• Air compressor (engine mounted) and impact wrench
• Work lights
• Mast (from base of frame to sheaves)
  • 20 foot (6.1 m)
  • 22 foot (6.7 m)
  • 26 foot (7.9 m)
• Cathead
• Hydraulic hoist
  • 2,200 pound (998 kg)
  • 4,000 pound (1,814 kg)
  • 8,500 pound (3,856 kg)
• Hydraulic wireline hoist
  • 2,200 pound (998 kg), max line speed 200 ft./min (61 m/min)
  • 1,100 pound (499 kg), max line speed 400 ft./min (122 m/min)
• Water pumps
  • Moyno 3L6 - 36 gpm/225 psi (136 lpm/1,551 kPa)
  • Moyno 3L8 - 84 gpm/225 psi (318 lpm/1,551 kPa)
  • Bean L09 (420) - 25 gpm/500 psi ( 95 lpm/3,448 kPa)
  • Bean L1122 (435) - 40 gpm/500 psi (152 lpm/3,448 kPa)
  • Other pumps available

† Patented by Central Mine Equipment Company

55LC Features  |  55LC Specifications  |  55LC Optional Equipment

Performance ratings are based on engineering specifications, calculations and accepted industry standards.
Capacities may vary according to drilling conditions. CME reserves the right to amend these specifications at any time, without notice.