Separator Drive Oil - Remove cap (A) and attach hose to drain valve (B). Open valve to drain. Refill at dipstick (C) as needed.
Primary Countershaft Gearcase Oil (Fixed Speed Feeder House) - Drain at cap (D) and refill at dipstick (E). Oil level must show on knurled part of dipstick.
Overshot Beater Gearcase Oil (Optional) - Drain at plug (F) and refill at plug (G). Oil level must be level with plug hole on side of gearcase.