Adjustment procedures ________________________________________ Loop flushing valve adjustment WARNING! Follow all standard safety procedures before beginning this adjustment process. Failure to do so may result in serious injury or death. The loop flushing valve (Fig. 75) is mounted on the frame behind the breaker power unit. The valve is preset from the factory at 290 psi, which is measured by the charge pressure gauge while the conveyor is running. If an adjustment is required:
Two people are required to adjust the pressure setting. One person must move the conveyor direction valve handle to the forward direction, relay pressure gauge readings to the mechanic making the adjustment, and be ready to shutdown the machine via the panic bar, if necessary. WARNING! Two people are required to adjust the pressure setting. One person must move the conveyor direction valve handle to the forward direction and remain at the panic bar at all times during the adjustment procedure. Failure to do so may result in serious injury or death. Operate the conveyor directional control lever to run the conveyor. Loosen the jam nut on the adjustment hex by turning out (ccw). Turn the adjustment hex in (cw) to increase the setting or turn out (ccw) to decrease the setting. When the correct setting is obtained, tighten the jam nut on the adjustment stem by turning in (cw) while holding the adjustment hex in place.
________________________________________________________________ 5.86 Bucyrus –Model 7MFBHM-48DD Feeder Breaker
© BUCYRUS AMERICA, INC.
Start the machine (see Start up procedure in this chapter).
