1. Park windrower on level ground and position
windrower so drain plug (B) is at the lowest point.
2. Shut
down
the
windrower
and
remove
key
from ignition.
3. Place a container (about 2 liters [2 quarts]) under the
lower drain plug (B).
4. Remove plugs (A) and (B), and drain lubricant
into container.
5. Dispose of oil in a manner that complies with local rules
and regulations.
Figure 5.21: Wheel Drive Assembly
6. After the lubricant has drained completely, position
the windrower so that ports (A) and (B) on wheel
are horizontally level with the center of the hub (C)
as shown.
7. Add lubricant.
Refer to
8. Reinstall all plugs.
Figure 5.22: Wheel Drive Assembly
5.5.8 Changing Hydraulic Filters
Charge Filter
The charge
fi
lter removes particulate contaminants from the oil before the oil is directed into the traction and
header drive pumps. The oil maintains a positive pressure and is continuously supplied in these closed circuits
during operation. The charge
fi
lter has a high pressure bypass of 345 kPa (50 psi) that allows oil to bypass the
fi
lter element during cold temperatures and when the
fi
lter element is heavily loaded.
The charge
fi
lter must be replaced at regular intervals. The
fi
lter telltale is displayed on the Harvest Performance
Tracker (HPT). The charge
fi
lter must be changed after
fi
rst 50 hours and every 500 hours thereafter. Follow the
service schedule on the HPT.
Refer to the following procedures to change the charge
fi
lter:
•
Removing Charge Filter, page 253
•
Installing Charge Filter, page 253
.
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252
Revision A
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