Gearbox leaking damaged oil seal. replace seal, No oil seal. install oil seal, Oil too light. use ep140 – Servis-Rhino CY84 User Manual

Page 133: Bent shaft. replace oil seal and shaft, Oil seal race rough. replace shaft or repair race, Oil seal installed wrong. replace seal, Of seal, Bearings loose. adjust bearings, Vent plug stopped up. open vent plug, Oil level too high. drain oil to proper level