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3.9 Levelling the Header
The adapter is factory-set to provide the proper level for the header and should not normally require adjustment.
If the header is NOT level, perform the following checks prior to adjusting the levelling linkages:
• Check that header knife drive compartments are empty.
• Check combine tire pressures.
• Check that combine feeder house is level. Refer to your combine operator’s manual for instructions.
• Check that top of adapter is level and parallel with feeder house.
NOTE:
The adapter float springs are NOT used to level the header.
Figure 3.441: Wing Lock
1. Park combine on level ground.
2. Set header approximately 150 mm (6 in.) off ground,
shut down combine, and remove key from ignition.
3. Check that header is against down stops.
4. Check wing balance and adjust if required. Refer to
Checking Wing Balance, page 67.
5. Move wing lock handle (A) to lock position.
6. Check header float and adjust if required. Refer to
Checking and Adjusting Header Float, page 59.
Figure 3.442: Float Lock
7. Adjust header levelness by making small adjustments
(1/4–1/2 turn) to nut (A) on each float lock. Adjust each
side equally but in opposite directions as follows:
NOTE:
Setscrew (B) does not require loosening for
adjustments up to one-half turn of nut (A).
a. Turn low-side nut clockwise to raise header.
b. Turn high-side nut counterclockwise to
lower header.
NOTE:
Adjustment of more than two turns in either direction
may adversely affect header float.
OPERATION
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