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Section 4
4.10 OPERATING THE SPRAYER BOOM
1. Before engaging the sprayer, turn the desired spray
tank(s) on. If needed, flip the booms open to the
operating position.
Lever up = Section On
Lever Down = Section O
From Operator’s Position
Pressure Adjustment
For Spray System
Left Boom Extension
Right Boom Extension
Center Boom
Left Boom Extension
Right Boom Extension
Center Boom
Figure 4-9. Sprayer Boom Selection Levers
2. Adjust the valves to the appropriate suction path.
(refer to section 4.9 for information on operating the
valves)
3. Turn on the boom sections that are going to be used.
See Figure 4-9.
4. Adjust the sprayer pressure to the desired psi
determined during calibration (do not exceed 60
psi) using the pressure valve (counter clock-wise to
decrease pressure, clock-wise to increase pressure).
Pressure
+
-
Figure 4-10. Sprayer Pressure Adjustment
5. Engage the sprayer switch to turn the sprayer on.
See Figure 4-11. Sprayer pressure may change as
sprayer engages, adjust pressure as needed.
Figure 4-11. Sprayer Engage Switch
CAUTION
Do not spray in reverse unless absolutely
necessary and then only after observation of the
entire area behind the machine. Clear the area
before backing up. Possible injury or property
damage could occur.
6. To disengage the sprayer, push the switch to the
disengaged position.
7. Always operate the engine at full throttle to properly
maintain sprayer speed. If the engine starts to lug
down, reduce the forward speed and allow the
engine to operate at maximum RPM.
4.11 OPERATING THE SPRAY WAND
1. Before engaging the spray wand, turn the boom
selection levers to the off position. See Figure 4-9.
2. Turn the desired spray tank(s) on using the supply
and return valves. See Section 4.9
3. Firmly grasp the spray wand and point it in the
direction to be sprayed.
WARNING
The spray wand traps liquid under high pressure,
even when the engine is off. High pressure
discharge could cause serious injury or death.
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