Wiesenfield WIE-FS-205A Manuel D'utilisation page 82

Gearbox Lubrication
Type of Lubrication: SAE EP 90W Gear
Lube
Add visual to the center of the gear oil.
Reinstall plugs and tighten.
Do not overfill!
If your gearbox require service, please
contact the manufacturer
The shaft end bearing
Type of Lubrication: Multi-purpose
Grease