Greensmaster 3250--D Hydraulic SystemPage 4 -- 5Towing Traction UnitIn case of emergency, the Greensmaster 3250--D canbe towed for a short distance. However, Toro does notrecommend this as a standard practice.IMPORTANT: Do not tow the machine faster than 2to 3 mph because drive system may be damaged. Ifmachine must be moved a considerable distance,transport it on a truck or trailer.1. Locate by--pass valve on the rear side of the pistonpump. Rotate valve 90 o so the slot in the valve is vertical.2. Before starting engine, close by--pass valve by rotat-ing it back 90 o so the slot in the valve is horizontal. Donot start engine when the valve is open. 1. Piston pump 2. By--pass valveFigure 221HydraulicSystem