Controls - 40 RT45 Operator’s Manual p Right Fender Trencher Controls Note: Control configuration with rear steer option is shown in main illustration. Control configuration without rear steer is shown in balloon. 1. Trencher slide control* 2. Boom lift control 3. Backfill blade tilt/trencher slide selector* *H314 only Item Description Notes To slide trencher right, push. To slide trencher left, pull.