Great Plains 3PYPA Operator Manual User Manual
Page 100
96
3PYPA
Great Plains Manufacturing, Inc.
401-647M
03/20/2012
MetaData: End of “General Troubleshooting”
Seed
blowing out
of bulk box
door area
Fan too fast.
Slow down fan.
Seal from airbox to hopper damaged
or not adjusted.
Inspect and adjust seal. Seal should be intact, and compress
to about
1
⁄
2
in (13mm) under seed container.
Air lines
plugging
between air
box and Y
splitters
Fan too slow.
Speed up fan.
Air leaks between air box manifold
and splitters
Check for leaks and correct as needed.
Improper hose routing, sags or kinks With planter unfolded, hoses should for a gentle “S” shape
through the holders, with no deep sags.
Air lines
plugging
between
Y-tube and
meter
Sag or kink in air hose.
Check air tube placement in tube mount weldment. If correct,
shorten any hose that has stretched due to age.
Meter is shut off but Y-tube is open.
Shut off Y-tube.
Air tube assembly not positioned on
correct tab.
Move assembly to properly position Y-tubes over row meters.
Sag in air hose due to incorrect
frame height
Raise or lower the tongue so center portion of frame is level
with gauge wheel area.
Hydraulic
marker
functioning
improperly,
or not at all
Marker/Fold switch set to Fold.
CFM Switch must be set to “Marker”. Set tractor remote cir-
cuit to Neutral or Float before operating switch.
Marker/Aux valve set to Aux
On a planter with optional Auxiliary Hydraulics, selector valve
must be set to Marker for markers to function. Set tractor
remote circuit to Neutral or Float before changing valve.
Air or oil leaks in hose fittings or con-
nections.
Check all hose fittings and connections for air or oil leaks.
Low tractor hydraulic oil level.
Check tractor hydraulic oil level.
Loose or missing bolts or fasteners.
Check all bolts and fasteners.
Needle valve(s) in sequence valve
plugged.
Open needle valves, cycle markers slowly and reset needle
valves, refer to page 163.
Marker disk
does not
mark
Marker folding linkage does not have
enough slack to allow marker disk to
drop into field depressions.
Maximum down float should be limited by the slot at the rod
end of the marker cylinder, refer to page 164.
Reverse marker disk to pull or throw dirt.
Hydraulic
Hitch Won’t
Stay Raised
Bypass valve is open at hitch
Close valve.
Speed
Reading
Doesn’t
Match
Tractor
Monitor speed reading will only
match tractor with planter lowered
If speeds don’t agree during planting (with planter lowered),
re-calibrate radar speed sensor with planter lowered.
General Troubleshooting
Problem
Cause
Solution