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Change the knife drive box lubricant after the
fi
rst 50 hours of operation and every 1000 hours (or 3 years) thereafter.
1. Start engine to warm up oil.
2. Shut down the windrower, and remove the key from
the ignition.
3. Raise the header and place a container large enough
to hold approximately 2.2 liters (2.3 quarts) under the
knife drive box to collect the oil.
4. Open the endshield. Refer to
.
5. Remove the breather/dipstick (A) and the drain
plug (B).
6. Allow the oil to drain from the knife drive box and into
the container placed below it.
7. Reinstall the drain plug (B).
8. Add 2.2 liters (2.3 quarts) SAE 85W-140 to the knife
drive box. Refer to
.
9. Close the endshield. Refer to
.
Figure 5.69: Knife Drive Box
5.6.2
Knife Drive Belts
Non-Timed Knife Drive Belts
The knife drive box is driven by a V-belt that is powered by a hydraulic motor on the header endsheets.
Removing Non-Timed Knife Drive Belt
The non-timed knife drive belt removal procedure is the same for both sides of a double-knife header.
WARNING
To avoid bodily injury or death from unexpected startup of machine, always stop engine and remove key
before making adjustments to machine.
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