
2019-04-12
417-459M
NP2540
Troubleshooting
105
Troubleshooting
General Applicator Troubleshooting ...........................105
FOLD / FIELD Troubleshooting ..................................106
NH
3
Metering System Troubleshooting ......................107
General Application Troubleshooting .........................109
Ground Drive Pump Troubleshooting .........................111
Hydraulic Drive Pump Troubleshooting ......................112
The topics in this section presume that the applicator has
a Raven SCS 450 console, Raven AccuFlow™ metering
system, and CDS-John Blue
®
Impellicone
®
flow divider.
If also equipped with conventional liquid capability, the
topics in this section presume that the applicator is
equipped with a CDS-John Blue
®
pump and ground
drive, or a hydraulic pump and Raven SCS 450 console.
Troubleshooting sections are also found in the following
component manuals:
016-0159-403
Raven AccuFlow™ Operator manual
016-0159-831
Raven SCS 450 Installation, Operation and Service
manual
12-M-43
CDS-John Blue NGP Pump Parts and Instructional
manual
General Applicator Troubleshooting
Problem
Cause
Solution
Fold or unfold jerky or
imbalanced
Air in lines
Bleed fold/lift circuit (page 132).
Lift jerky or imbalanced
Air in lines
Bleed fold/lift circuit (page 131).
Lift-Assist casters
oscillating
Caster stabilizer too lightly set
Increase spring tension on caster
stabilizer piston (page 143).
Uneven application depth
Excessive field speed.
Reduce field speed.
Coulters set too deep, lifting entire applicator
Reduce coulter depth.
Rough application conditions
Rework the field.
Worn tines inadequately preparing trench
Replace worn tines.
Wings too Shallow
Insufficient weight transferred to wings
Increase weight transfer (page 91).
Center too Shallow
Excess weight transferred to wings
Decrease weight transfer (page 91).
Sealers not compacting
the soil as desired.
Sealer adjustment not optimal.
Adjust sealer (page 86).
Not level front to rear.
Check applicator front-to-back level
Too wet or cloddy
Wait until drier weather or rework ground.
2-Point Lift-Assist slow
Adjustment valve not fully open.
Open valve (page 174).