Case SDX30 - Page 119

SECTION 5 - OPENER SERVICE
PROBLEM POSSIBLE CAUSES POSSIBLE SOLUTIONS
page 5-4
Poor seed placement 1. Worn scrapers.
2. Inadequate down pressure .
3. Improper packing force.
4. Variable residue.
5. Broken / worn seed retaining
tab.
6. Improper air flow velocity.
7. Worn disk.
1. Replace scrapers .
2. Increase opener down pressure
adjustment.
3. Ensure adequate and proper
packing force.
4. Harrow residue to ensure even
distribution.
5. Replace tab.
6. Adjust air system fan rpm.
7. Replace disk.
Plugging of gauge wheels 1. Gap too large between disk and
gauge wheel.
2. Interference between disk and
gauge wheel.
3. Wet field conditions.
1. Remove spacers between gauge
wheel and gauge arm to obtain a
gap of lightly touching to 3 mm
(1/8”).
2. Add spacers between gauge
wheel and gauge arm to obtain a
gap of lightly touching to 3 mm
(1/8”).
3. Wait for soil conditions to dry.