MacDon D1 Series - Page 312

215184 288 Revision A
1009729
A
B
Figure 8.50: Deck Adjustment
4. Lift front edge of draper (A) past cutterbar (B) to expose the
deck support.
5. Measure and note the thickness of the draper belt.
1003841
A
B
C
Figure 8.51: Deck Support
6. Loosen two lock nuts (A) on deck support (B) one
half-turn ONLY .
NOTE:
The deck is shown with the draper removed. The number of
deck supports (B) is determined by the header width as
follows:
• 6.1 m (20 ft.): Four supports
• 7.6– 9.1 m (25–30 ft.): Six supports
• 10.7–12.2 m (35– 40 ft.): Eight supports
• 13.7 m (45 ft.): Ten supports
7. Tap deck (C) with a hammer to lower the deck relative to
the deck supports. Tap deck support (B) using a punch to
raise the deck relative to the deck supports.
1009588
A
C
D
B
Figure 8.52: Deck Support
8. Locate a gauge that is the same thickness as the draper
belt, plus 1 mm (0.04 in.). Slide the thickness gauge along
deck (A) under the cutterbar in order to properly set
the gap.
9. To create a seal, adjust deck (A) so that clearance (B)
between cutterbar (C) and deck is the same thickness as
the draper belt plus 1 mm (0.04 in.).
NOTE:
When checking clearance at either roller, measure from the
roller tube, NOT the deck.
10. Tighten deck support hardware (D).
11. Recheck gap (B) with thickness gauge. For instructions,
refer to Step 8, page 288.
12. Tension the draper. For instructions, refer to 8.13 Adjusting
Draper Tension, page 284.
PERFORMING PREDELIVERY CHECKS