214658 146 Revision A
6.7 Running up the Header
CAUTION
Never start or move the machine until you are sure all bystanders have cleared the area.
CAUTION
Clear the area of other people, pets, etc. Keep children away from machinery. Walk around the machine to
be sure no one is under, on, or close to the header.
CAUTION
Before investigating an unusual sound or attempting to correct a problem, shut down the engine, engage
the parking brake, and remove the key from the ignition.
NOTE:
Perform all testing with the pick-up header in the working position with wheels on the ground and approximately
356 mm (14 in.) from the ground to the center of the rear roller. This is the standard operating height.
1. Start the combine, and run the machine at operating speed for 15 minutes. Run the header slowly for the first
5 minutes, watching and listening FROM THE OPERATOR'S SEAT for binding or interfering parts.
2. Test the function of the height controller as follows:
a. Drive the combine over uneven ground and note the following:
• If the front end of the header goes up (as if going up a hill), the header height should move up to
compensate.
• If the front of the header goes down (as if dropping into a hole), the header height should drop to
compensate.
3. If applicable, check that the draper speed and auger speed are displayed on the combine monitor.
4. Fully raise the hold-down. If the hold-down is not level, perform the following:
a. Raise the hold-down and leave it pressurized to rephase.
b. Lower and raise the hold-down several times and check that the hold-down is level.
c. If the hold-down is still not level, lower the hold-down. Place a container under the bleed screw on
slave cylinder and remove the bleed screw.
d. Pressurize the hold-down circuit until oil flow is free of air bubbles.
e. Lower the hold-down and reinstall the bleed plug. Torque the plug to 3.4 Nm (30 lbf·in).
f. Repeat Steps a and b. The cylinders should lower at the same time and at the same rate. It should
take 12–18 seconds for the hold-down to lower from the highest point. It is acceptable for the slave
cylinder to remain extended 0–13 mm (0–1/2 in.) when the master cylinder is fully retracted.
5. Perform the run-up check listed on the Predelivery Checklist, page 159 and the post run-up check to ensure the
machine is field-ready.
PREDELIVERY INSPECTION
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