31
85872 RevA
TURFCO T3000 APPLICATOR
CALIBRATION
Calibration for 4 lbs of fertilizer per 1000 sq. ft. at 12/6 foot spread pattern.
All the steps for the 12/6 calibration are the same as the 18/9 spread with the exception of Step 3 and Step 7. You
will need to change the gate rate adjuster dial and use the 23 seconds to cover 166 running feet timing to get the
1000 sq. ft. with a 6 foot wide effective swath.
Step 3. Change the gate rate adjuster dial setting to be closer to 4.5 on the dial.
Step 7. Change your ground speed to be 4 times the 23 seconds speed for a total of 92 seconds to cover 4000 sq.
ft. with a 6 foot wide swath.
Be sure to write this setting down as the gate rate adjuster dial setting for a 12/6 foot effective swath for this fertilizer.
When you finish with this calibration you will be ready to set the Vari-Rate Gate Stop.
Setting the Vari-Rate Stop (See Figure 26)
This is the adjustable stop next to
the gate opening lever on the top
right of the unit. This is the setting
you will use when you applicate
on the narrow spinner setting for a
12/6 foot effective width. It comes
into use when you push the Gate
Opening Handle to the left or
inwards toward the machine. This
will allow you to have two settings
in the machine at all times.
The Vari-Rate stop limits the
spreader gate opening to 60% of
the spreader gate rate adjuster
dial setting you calibrated earlier.
This will be your 60% setting for
trimming or 60% of a full application
for smaller areas.
Step 1. Set the white cam on the front of the hopper to the correct number for a 12/6 foot effective swath for a
particular fertilizer.
Step 2. Loosen the Locking Knob holding the Vari-Rate Stop in place so it moves all the way forward.
Step 3. Moving the Gate Opening Handle to the left or in towards the machine push it ahead so it is against the
Vari-Rate Stop.
Step 4. You will now need to look inside the hopper to watch the gate opening. Move the Vari-Rate Stop and the
Gate Opening Handle backwards toward the rear of the machine very slowly. When the gate in the bottom of the
hopper starts to move just a little, STOP AND HOLD IT RIGHT THERE. Screw in the Locking Knob on the Vari-Rate
Stop locking it where it is. Make sure the big black plastic nut is VERY TIGHT. Test the gate several times to make
sure it is opening the gate to the proper setting using just the Vari-Rate Stop.
Step 5. Now you can move the white cam on the front of the hopper to the setting for 18 / 9 foot effective.
Result: You have now set two calibrations into your machine. When you want to spread 12 / 6 foot wide you
move the lever on the left to narrow and open the Gate Opening Lever against the Vari-Rate Stop and you will be
spreading a 12 / 6 foot effective swath accurately.
When you move the lever on the left to the wide spread and the Gate Opening Handle to the right and forward you
will be spreading a 18 / 9 foot effective swath.
SPREADER CALIBRATION CONTINUED ON NEXT PAGE
LOCKING
KNOB
OP85872-10
FIGURE 26
VARI-RATE
GATE STOP
HANDLE TIPPED
OUT TO BYPASS
VARI-RATE STOP
HANDLE PUSHED
FULLY FORWARD
FOR 100%
GATE OPENING
SPREADER GATE
CONTROL HANDLE PUSHED
FORWARD TO VARI-RATE 60%
STOP SETTING
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