Timing of the test For all oxygen groups (i.e., Group I, II and III), initial testing must be done within the 30 days before the initial date of service. For Group II beneficiaries, recertification testing must be done between day 61 â 90 after the initial date of service.
Trolling motors are popular with anglers who want to be able to maneuver around a fishing area without disturbing the fish below the surface. When youâre searching for a new electric boat motor, keep these points in mind: 1  Most trolling motors operate on 12 volt, 24 volt and 36 volt circuits.
Mounting a Trolling Motor on the Bow. 1  1. Separate the trolling motor assembly from the mount base. 2  2. Choose the place on the deck where the base should be attached. 3  3. Mark the holes to be drilled into the deck.  4. Drill the holes for the mounting 1  bolts. 5. Thread a bolt through each hole in the mount base.