MacDon HC10, Operation And Parts Manual

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MAINTENANCE
5.6 Feed Draper
5.6.1 Adjusting Feed Draper Tension
DANGER
To avoid bodily injury or death from unexpected start-up or fall of raised machine, always stop engine,
remove key, and engage safety props before going under header for any reason. Refer to your windrower
operator’s manual for instructions for use and storage of safety props.
DANGER
To avoid bodily injury or death from unexpected starup of the machine, always stop the engine and remove
the key from the ignition before leaving the operator’s seat for any reason.
Feed draper tension should be just enough to prevent slipping and keep draper from sagging below cutterbar. Set
draper tension as follows:
1. Raise header fully, stop engine, and remove key.
Engage safety props.
2. Check that draper guide (A) (rubber track on underside
of draper) is properly engaged in groove of drive
roller (B), and that idler roller (C) is inboard of the
draper guide.
Figure 5.5: Draper Guide
3. Loosen jam nut (A).
4. Hold nut (B) with a wrench and turn bolt (C) clockwise
to increase tension and counterclockwise to decrease
tension.
5. Correct tension is when retainer (D) is flush with spring
holder, and bolt (E) is free.
6. Tighten jam nut (A).
7. Perform equal adjustment on both sides of draper.
Figure 5.6: Tension Adjustment Hardware
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Revision A