Table 4-3. Unit Troubleshooting Procedures CONT.
Test or Inspection
ENGINE RUNS NORMALLY BUT DRILL ROD DOES NOT TURN.
Make sure drill mode is selected (para 2-8d).
Make sure that tool shaft (1) has been attached properly (para 2-8d).
Check that tool shaft can not be turned easily CCW.
If tool shaft can be turned easily CCW, the ratchet mechanism is damaged. Turn in to DS
If problem persists notify DS maintenance.