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4 - Sprayer Setup
Liquid System
BoomPrime Adjustment (Manual Version)
The BoomPrime system works within a fixed pressure range of around 3 bar, but it must be adjusted for the specific spray
job (due to different choice of nozzles etc.):
1. Unfold the spray boom and start the PTO.
2. Turn the pressure valve to "Spraying".
3. Turn the suction valve to "MainTank".
4. Turn the agitation valve to "Agitation".
Only open the agitation valve to suit the tank content, e.g. half
open.
5. Manually adjust the spray pressure to what will be used when
spraying.
6. Close all nozzles.
7. Turn the BoomPrime adjustment screw (A) to increase the
BoomPrime pressure to 3 bar, or until the nozzles start to drip.
8. If the nozzles leak, then lower the BoomPrime pressure by 1 bar on
the adjustment screw (A).
μ
ATTENTION! If not adjusted correctly, the nozzles will not close
(i.e. they will drip), when the spraying is stopped, or the tubes will
not be primed.
The possible priming circulation speed of BoomPrime relies on the non-
drip valves to keep the nozzles closed.
Water Sensitive Paper
Use this type of paper to help find the best spray setup.
Some time spent in different types of crops with clean water in the tank
and some water sensitive paper will create a valuable experience for the
future work with your sprayer.
Test
The paper can be cut into smaller pieces (to simulate the target) and
fixed with double sided tape at relevant places in the crop.
Now spray with pure water and check the blue spots (droplets) on the
paper. This way you can test different spraying techniques.
Water sensitive paper is available at your local HARDI dealer (ask for
HARDI item no. 893211).
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