KUHN GMD350, Operator'S Manual, Page: 67 / 100

Maintenance and storage
Disc mower
GMD350 - 350-FF
65
„ Oil change:
Gearbox
From the transport position:
- Remove filler plug (1).
- Place a container of sufficient capacity under drain
plug.
- Remove drain plug (2).
- Allow oil to drain completely.
- Wait for dripping to stop.
- Place the cutterbar in horizontal position.
- Pour the correct oil quantity and quality through the
opening of the filler plug (1).
- Check angle gearbox oil level:
- Place the cutterbar in horizontal position.
• The oil level must reach the lower edge of the
emptying hole.
- Clean and reinstall drain plug (2).
- Clean and reinstall the filler plug (1).
Before draining oil, operate the machine for a
few minutes so that the oil warms up.
The angle gearbox is lubricated with 0.5 L (0.13 US gal) of SPIRAX A extreme-pressure oil for
mechanical transmissions with viscosity grade SAE 80W90 and API grade GL5.
When draining and refilling, it is recommended to use either a mineral base oil with viscosity grade
SAE 80W90 and API grade GL5, or a synthetic base oil, type PAO (Poly-Alpha-Olefins) with a viscosity
grade equivalent to SAE 80W90.
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