MacDon DWA, Operation And Parts Manual

Page: 41 / 98

OPERATION
To adjust the deck angle relative to the right-hand drive tire,
follow these steps:
2. Loosen the locking tab (B) on the adjustable
turnbuckle.
3. Rotate the center tube (A) to the desired length.
NOTE:
The turnbuckle length should be approximately:
• 530 mm (21 in.) long for an R-Series Rotary
Disc Header
• 630 mm (25 in.) long for an A-Series Auger
Header
4. Retighten the locking tab against the center tube.
Figure 3.14: Adjust Turnbuckle
A - Center Tube B - Locking Tab
C - Connection Point for A-Series Header
D - Connection Point for R-Series Disc Header
3.5.2 Adjusting Deck Angle Relative to the Ground
The deck angle should be horizontal or at a slight incline
relative to the ground. Distance (A) should be equal to or
greater than distance (B).
• If used with an R-Series Rotary Disc Header in lighter
crop, distance (A) should be equal to distance (B).
• If the crop needs to be thrown farther, increase
distance (A).
Figure 3.15: DWA Deck
To adjust deck angle:
1. Loosen the four 3/4 in. bolts (A).
2. Loosen jam nut (C).
3. To increase distance between the ground and the deck,
tighten nut (B).
4. To decrease distance between the ground and the
deck, loosen nut (B).
5. After adjustment, tighten jam nut (C).
6. Torque the four 3/4 in. bolts (A) to 332 N·m (245 ft·lbf).
Figure 3.16: Deck Pivot
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Revision A