KUHN GMD883, Operators Manual And Installation Manual, Page: 68 / 88

Disc mower
66
GMD883
Maintenance and storage
Oil change
Cutterbars
From the headland turn position:
- Lift up the front guard.
- Remove the inner skid shoe (1) on drive side.
- Place a container of sufficient capacity under drain
plug.
- Remove filler plug (2) and its washer.
- Raise cutterbar on opposite side of drain plug.
- Remove drain plug (3) and its washer.
- Allow oil to drain completely.
- Wait for dripping to stop.
- Clean and reinstall drain plug (3) and its washer.
replace them if necessary.
- Pour the correct oil quantity and quality through the
opening of the filler plug.
- Clean and reinstall filler plug (2) and its washer.
- Reinstall inner disc skid (1) on drive side.
- Lower front guard.
Before draining oil, operate the machine for a
few minutes so that the oil warms up.
The cutterbar is lubricated with 2.25 L (0.7 US gal) of SHELL SPIRAX A extreme-pressure gear oil with
viscosity grade SAE80W90 and API grade GL5.
When draining and refilling, it is recommended to use either a mineral base oil with viscosity grade
SAE80W90 and API grade GL5, or a synthetic base oil, type PAO (Poly-Alpha-Olefins) with a viscosity
grade equivalent to SAE80W90.
Never use an oil of viscosity SAE90 in the
cutterbar.
Follow same procedure on the second cutterbar.