1. The unit must be stopped and upright to accurately read the oil level.
2. To drain the A axis unscrew the drain port [4] at the bottom of the rotary. The rotary likely will be to be suspended in the air to do this. Rotary units are heavy so take appropriate safety measures while draining the oil. Clean off the oil remaining on the rotary and replace the screw. Both rotaries have two screws on the bottom.
TRT210: The inner most screw is for the drain port. The picture to the left shows a TRT210.
TRT310: The oil drain port is labeled.
3. To fill the A axis Place unscrew the fill port at the top [1]. There are no sight glasses the port should be filled completely.
4. To drain the B axis tilt axis to 90° and unscrew the drain port [3]. Only one side has a drain port check for it before tilting the rotary. Once the rotary is empty screw the port plug back in.
5. To fill the B axis leave the tilt axis at 90° and unscrew the drain port [2]. Remove the screws holding the oil fill port cover and remove the cover. There are no sight glasses the port should be filled completely.
There is no sight glasses the port should be filled completely. Once the rotary has been filled