| 摘要 |
A self-propelled irrigation apparatus has a plurality of spaced wheeled support towers supporting a linear water conduit having a plurality of sprinklers coupled thereto for irrigating an area of ground thereunder. At least one of the support towers has a drive motor attached thereto operatively coupled through a transmission gear box to at least one of the wheels for moving the support tower and water conduit over the ground. The transmission has a housing forming an oil reservoir therein. The improvement includes an auxiliary transmission oil reservoir attached to the frame of a support tower above the level of the transmission and having an oil line coupled to the transmission housing for maintaining replacement oil in the transmission housing under a positive pressure. The auxiliary oil reservoir is also connected through oil lines to each wheel gear box connection to each wheel. The auxiliary oil reservoir is transparent and includes a stand pipe outlet to separate condensate water from the oil in the auxiliary reservoir and a condensate drain for removal of accumulated water.
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