Great Plains PM300 User Manual
Great Plains Mfg., Inc. 1
Radar
Simulator
Power
AE6608
SN: XXXXX
MIN
MAX
AE6690
ACTUATOR
TEST BOX
SN: XXXXX
AgExpre ss Elect ronics
Sensor Tester
AE6602
S/N: XXXXX
WARNING
SN: XXXXX
AE6691
Pessure Sensor
Simulator
Great Plains Diagnostic Kit
All or parts of this kit can be used with:
• DICKEY-john IntelliAg
• DICKEY-john Seed Manager SE
• DICKEY-john PM300
®
®
®
General Information
These instructions explain how to use the components of the Great Plains Diagnostic Kit for
troubleshooting issues encountered with the electrical and electronic components found on
Great Plains Seeding Equipment
Kit # Description
823-401C Great Plains Diagnostic Kit
Falling Hazard:
Practice caution when working on elevated surfaces.
Make sure any ladders used have solid footing.
Notations and Conventions
“Left” and “Right” are facing in the direction of
machine travel
Call-Outs
1
to
116-008M 2/5/13
Fig. 1
9
Single-digit callouts identify components
in the currently referenced Figure. These
numbers may be reused for different items
2 Great Plains Mfg., Inc.
2
1
AE6690
ACTUATOR
TEST BOX
SN: XXXXX
3
2
1
1
2
Actuator Test Box - For Air-Pro Planters.
The Actuator Test Box (part # AE6690) can be used to troubleshoot the split air actuator and as an
aid in the replacement of it if needed. The planter harness must be electrically connected to the
tractor for the switch box to function. If this is not possible, another 12VDC power supply needs
to be connected to the tower connector of the test box harness (connector with only two wires). Pin
Refer to Figure 2
1. Locate the rotary actuator on the side of the spit air valve.
1
The spit air valve is always mounted directly next to the fan.
Refer to Figure 3
2. Follow the wiring harness that comes out of the rotary
actuator until the 6 pin weatherpack connector is found.
1
Disconnect the actuator harness from the extension harness
at this location, and connect the two leads of the test box
2
2
3
Fig. 2
3. The Actuator Test Box contains a spring centered momentary
switch. Moving the switch to one side or the other will cause
the actuator to rotate either clockwise or counterclockwise.
When the switch is released, it will re-center itself and stop actuator
motion. DO NOT USE THIS TOOL AS A REPLACEMENT
FOR AIR PRESSURE CONTROL DURING PLANTING!
Using the Actuator Test Box for actuator replacement.
Fig. 3
Refer to Figure 4
1. The rotary actuator is mounted in slots to allow for adjustment to
the assembly. Leave the mounting hardware loose until final
adjustment is made.
2. Connect the test box as described above in step 2.
3. Using the test box, electrically rotate the actuator fully clockwise. (As viewed
looking at the arrow on the face of the actuator.)
4. Remove the top meter pressure delivery hose closest to the actuator and
visually inspect the location of the split air vane. Adjust the actuator until
the edge of the vane is flush with the bottom of the seed delivery outlet.
2
1
5. Tighten the mounting hardware and use the test box to operate the valve
through its entire range of travel to ensure there is no physical interference.
Notes - The rotary actuator contains internal limit switches that are set to hold its rotation within a 60 degree range.
When either switch is tripped, the actuator will stop and can only move back in the opposite direction.
- An internal circuit breaker will cut power to the actuator if it encounters a high amp load. If the actuator will
not move, check for +12VDC in pin A of the 6 pin connector using pin B for the ground. If the voltage is
present but there is no visible LED light in the window of the actuator, unplug it, wait 20 seconds and
reconnect it. This will reset the breaker.
Fig. 4
2/5/13 116-008M
Great Plains Mfg., Inc. 3
Radar
Simulator
Power
AE6608
SN: XXXXX
MIN
MAX
Radar Simulator - for ground speed simulation on YP planters.
The Radar Simulator (part # AE6608) can be connected to the planter harness and used to
send a simulated speed pulse to the monitor system.
Refer to Figure 5
1. Locate the radar or hall effect sensor that supplies the speed signal to the monitoring
system. On YP12 and YP16 planters, the hall effect sensor is located inside the left
rear wheel. On all others, the radar sensor will be located under and in front of the
seed hopper or hoppers.
3
5
2
4
1
Fig. 5
2. Follow the wiring harness out of the sensor until the connection at the Working Set Master
harness is found.
1
3. Disconnect the sensor lead at this connection and connect the radar simulator in its place.
4. Make sure the red LED light at the top of the simulator is brightly lit. This light
4
3
2
indicates a good power supply coming from the harness. If the light is off or dimly lit,
make sure the monitor system is powered on and inspect the harness and connections.
5. Rotating the knob on the face of the simulator changes the pulse rate that it outputs.
5
A clockwise rotation will speed the pulse rate up, and a counterclockwise rotation
slows the rate down.
6. Observe the ground speed reading on the work screen or on the diagnostic screen at the
frequency digital groundspeed. If no signal is seen, check the ground speed setup in the monitor.
Also check the connection at the ground speed connection at the actuator harness.
116-008M 2/5/13
4 Great Plains Mfg., Inc.
Radar
Simulator
Power
AE6608
SN: XXXXX
MIN
MAX
1
Radar Simulator - for fan speed simulation on YP planters
The Radar Simulator (part # AE6608) can be coupled with the Application Rate Sensor
Adapter (part # AE2607) and the Radar Sensor Adapter (part # AE2609) and connected to the
planter harness for sending a simulated fan speed pulse to the monitor system.
Refer to Figure 6
3
2
8
4
5
7
6
Fig. 6
1. Assemble the Radar Simulator together with the Radar Sensor Adapter and the
Application Rate Sensor Adapter.
1
3
2
2. Locate the wiring harness coming out of the fan speed sensor and follow it until you find
the connection at the extension harness.
4
3. Disconnect the sensor lead from the extension harness and connect the assembly made in
step one. It can also be connected to the RPM sensor lead where the extension
harness connects to the actuator harness at the working set master.
4. Make sure the red LED light at the top of the simulator is brightly lit. This light
7
5
6
indicates a good power supply coming from the harness. If the light is off or dimly lit,
make sure the monitor system is powered on and inspect the harness and connections.
5. Rotating the knob on the face of the simulator changes the pulse rate that it outputs.
8
A clockwise rotation will speed the pulse rate up, and a counterclockwise rotation
slows the rate down.
6. Observe the fan rpm reading on the work screen or on the diagnostic screen at the frequency
rpm reading. If no signal is seen, check fan rpm setup in the monitor. Also check the extension
harness and the RPM connection on the actuator harness,
2/5/13 116-008M
Great Plains Mfg., Inc. 5
Radar
Simulator
Power
AE6608
SN: XXXXX
MIN
MAX
1
Radar Simulator - for application rate sensor simulation on YP planters
The Radar Simulator (part # AE6608) can be coupled with the Radar Sensor Adapter (part #
AE2609) and the Application Rate Sensor Adapter (part # AE2607) and connected to the
planter harness for sending a simulated application rate sensor pulse to the monitor system.
Refer to Figure 7
3
4
2
8
5
7
6
Fig. 7
1. Assemble the Radar Simulator together with the Radar Sensor Adapter and the Application
Rate Sensor Adapter.
3
1
2
2. Locate the wiring harness coming out of the application rate sensor. On YP12 and YP16
planters, this will be found at the end of the right wing drive shaft. On all others, it will be
found on the short shaft just below the seed drive motor in the center of the implement.
Follow the lead until you find the three pin connection at the extension harness.
4
3. Disconnect the sensor from the extension harness and connect the assembly made in step
one. It can also be connected to the FDBK 1 (feedback 1) lead where the extension
harness connects to the actuator harness at the working set master.
4. Make sure the red LED light at the top of the simulator is brightly lit. This light
7
5
6
indicates a good power supply coming from the harness. If the light is off or dimly lit,
make sure the monitor system is powered on and inspect the harness and connections.
5. Rotating the knob on the face of the simulator changes the pulse rate that it outputs.
8
A clockwise rotation will speed the pulse rate up, and a counterclockwise rotation
slows the rate down.
6. Observe the channel frequency pulse reading the channel 1 diagnostic screen. If no signal is
seen, check monitor setup. Also check the extension harness and the connection at FDBK 1
116-008M 2/5/13
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