RT40 Operator’s Manual Controls - 31 Right Fender p 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 3. Backfill blade tilt/trencher slide selector* 2. Boom lift control* *H314 only CMW Item Description Notes To slide trencher right, push. To slide trencher left, pull.