Good evening-I am new to the forum- sorry I posted this question in wrong forum- this is where it should be posted-I have a ztrac John Deere zero turn mower- mower has been sitting for 3 years because it stop moving- would not move forward or backward- the mower has Hydro-gear hydrostatic hydraulic pumps-I just rebuilt both pumps-both pumps have all brand new internal parts- put everything back together- mower will move again- but it will only move backward- it will not move forward- does any one have any idea why with all new parts- new fluid-new filter-new drive pulleys- mower will only move backward- help- Thanks
