CAT Roof Support PMC-R Shield Control System Operation Manual

Page 104

Bidirectional Cutting Cycle – Step 5 – Cut Back to Snake

Bidirectional Cutting Cycle – Step 6 – Ready to Double Cut HG

Bidirectional Cutting Cycle – Step 7 – Shearer in HG

Gate-area Shield Re-advance This feature allows up to 15 shields at the gate end to be readvanced every pass after the conveyor finishes pushing to provide improved roof support if needed. The number of shields that readvance is set by parameters HG Readvance Group and TG Readvance Group in the HG and TG Area Options of the SRB parameters.

Parameters "HG Readvance Group” “TG Readvance Group”

Restrictions SRB is not subject to the standard restrictions; however, the actions that SRB triggers are subject to the restrictions defined for each type of action. 95

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