The Reinke 50:1 Wheel Gearboxes use a good quality S.A.E. 85W-140 that meets or exceeds A.P.I. – GL.5 and MIL.-21056 specifications. Change the oil after the first year of service and every three years thereafter. Fill Gearboxes so oil level is just above Worm Gear. Oil capacity is approximately one (1) U.S. Gallon. Do not overfill these Gearboxes! Overfilling may result in seal damage. Before and after each irrigation season, remove the Drain Plug just long enough to drain any condensed water.
- Towable Gearboxes (Standard Tow Systems): Perform the same maintenance as recommended for the Non-Towable Gearboxes. In addition, grease the two grease zerks every fall and spring.
- Non-Towable Gearboxes: with Towable Hubs (Reverse Tow Systems): Perform the same maintenance as recommended for the Non-Towable Gearboxes.
Reverse Tow Systems utilize Tow Hubs coupled to a Non-Towable Gearbox. A grease zerk is located on each Tow Hub. This should be greased on every third towing or annually at the end of the season if the System has not been moved. Pump grease until the Relief Valve releases indicating that the Tow Hub is full of grease.?