V. Operating instructions
F. Work mode selection Breaker work mode (Power mode or Speed mode) is selectable at the models of CB80 and above.
Mode recommendation • Speed mode - Applications that require productivity from high speed breaking - Soft material breaking such as light/medium duty limestone, soft duty granite, concrete structure, asphalt, etc. • Power mode - Applications that require productivity from power breaking - Hard material breaking such as heavy duty limestone/sand stone, granite, basalt, andesite, iron ore, etc.
Power mode or speed mode can be selected by following procedure. 1. Remove MC Cover 2. Untighten adjuster valve nut until you can start to turn adjuster valve. 3. Turn adjuster valve with 5mm L-wrench (available in the tool box) • Power mode: turn to the right, clockwise to maximum (till fully tightened) • Speed mode: turn to the left, counter clockwise by 2 turns.
NOTE Power mode is pre-set when the breaker comes off the factory. Speed mode
Power mode 5 mm L-wrenches
Adjuster valve nut
4. After setting, tighten adjuster valve nut completely.
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