Fletcher CHDDR Twin Boom Bolter 

Fletcher model CHDDR brings greater flexibility than ever to your coal seam operation. Heavy duty boom swing to allow several bolt installations from a single chassis position. The booms allow operators to drill over rubble, near ribs and over otherwise loose bottom areas. Bolting pattern is established relative to the roof, not the floor.

Standard 90 degree mast tilt allows angle and rib drilling. Fletcher ATRS (Automated Temporary Roof Support) eliminates the need for temporary posts and jacks in most applications.

Fletcher CHDDR Twin Boom Bolter Specifications:

• Walk – thru chassis reduces operator exposure to rib hazards.
• Operates in seam heights of 1.68m to 3.66m.
• Dimensions – length 8230mm, width 3200mm, height 1420mm (over drill canopies with mast horizontal)
• Dual heads install a full row of bolts from a single chassis position.
• High strength elevating booms drill without direct support from floor below.
• Crawler drive system.
• Automated Temporary Roof Support (ATRS).
• Cable Reel.
• Independent elevating booms.
• Operator canopy.
• Stabilising jacks.
• Dust collection system.