Great-plains PM300 Assembly Instructions Manuel d'utilisateur télécharger pdf (Page 2)

2 Great Plains Mfg., Inc.

2/5/13 116-008M

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.

The spit air valve is always mounted directly next to the fan.

2. Follow the wiring harness that comes out of the rotary

actuator until the 6 pin weatherpack connector is found.

Disconnect the actuator harness from the extension harness

at this location, and connect the two leads of the test box

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.

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.)

Refer to Figure 3

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.

Refer to Figure 4

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.

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.

Fig. 4

Fig. 2

Fig. 3

AE6690

ACTUATOR

TEST BOX

SN: XXXXX

1 2 3 4 5 6 7 ... 15 16

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Great-plains PM300 Assembly Instructions Manuel d'utilisateur Page 2

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