Morris C2 Contour - Excessive Seed Depth and Soil Throw; Opener Pressure Drops Quickly During Normal Operation; Openers Not Fully Lifting to Transport Position

Troubleshooting
Problem
Correction
Cause
8-4 August 2014 C2 Contour Air Drill
Opener pressure drops
quickly during normal
operation.
(more than 150psi after
charging system).
Excessive seed depth and
soil throw.
Openers not fully lifting to
transport position.
Hydraulic line, fitting or cylinder
leak.
Damaged or stuck pilot operated
check valve.
Soft field conditions.
Ground speed too fast.
Hydraulic pressure too high.
Air in hydraulic lines.
Parallel link pivot bolts too tight.
Locate leaking line, fitting or cylinder and repair
or replace.
Replace valve.
Reduce pressure and seed depth settings.
Reduce speed and re-check depth.
Reduce pressure and re-check depth.
Bleed hydraulic system.
Loosen pivot bolts in small increments until all
openers will drop quickly from raised position under
their own weight (put tractor remote in float to allow
openers to drop).