Box Adjustment - Harvest TEC 675 Owner's Manual

100 gallon sprayer
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BOX ADJUSTMENT

Electronic units control application rate by regulating pump speed. The control box is factory
set, but from time to time may require readjustment. First TURN OFF POWER. Second,
remove the control box cover. Lastly, turn the power back on and make the following
adjustments:
1. MAXIMUM OUTPUT: Can be
adjusted with the right-hand adjusting
dial. Clockwise adjustment will
increase output. With speed dial
turned up do not exceed 90 PSI
during operation.
2. MINIMUM OUTPUT: Set with red tips in and control all the way down. Adjust with the left hand
adjusting dial. Counter-clock wise adjustment will decrease output. Set to 10 PSI at low end. Make
adjustments with a small screwdriver. The settings are sensitive and only a small amount of
adjustment turn is required.
HAY INDICATOR
Relay wiring order:
1: Blue
2: Black
3: Orange
4: Green
5: Not Used
Hay Indicator wiring order:
1: Brown
2: Blue
3: Black
4: White (not used)
10

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