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agitation, hand spraying with a spray gun, or using
a walking boom.
Use the following precautions:
• Avoid stationary spraying when conditions are very
hot and/or dry, as turf can be more stressed during
these periods.
• Avoid parking on the turf while stationary spraying.
Park on a cart path whenever possible.
• Minimize the amount of time the machine is left
running over any particular area of turf. Both time
and temperature affect how much the grass may be
damaged.
• Set the engine speed as low as possible to
achieve the desired pressure and flow. This will
minimize the heat generated and the air velocity
from the cooling fan.
• Allow heat to escape upward from the engine
compartment by raising the seat assemblies during
stationary operation rather than being forced out
under the vehicle.
Spraying Tips
• Do not overlap areas that you have previously
sprayed.
• Watch for plugged nozzles. Replace all worn or
damaged nozzles.
• Use the master boom switch to stop the spray flow
before stopping the sprayer. Once stopped, use
the neutral engine speed control to hold the engine
speed up to keep the agitation running.
• You will obtain better results if the sprayer is
moving when you turn the booms on.
Unclogging a Nozzle
If a nozzle becomes clogged while you are spraying,
you can clean it using a hand spray bottle of water or a
toothbrush.
1. Stop the sprayer on a level surface, stop the engine,
and set the parking brake.
2. Set the master boom switch to the Off position and
then set the pump switch to the Off position.
3. Remove the clogged nozzle and clean it using a
spray bottle of water or a toothbrush.
Selecting a Nozzle
The turret bodies can accept up to 3 different nozzles.
To select the desired nozzle:
1. Stop the sprayer on a level surface, stop the engine,
and set the parking brake.
2. Set the master boom switch to the Off position and
set the pump switch to the Off position.
3. Rotate the turret of the nozzles in either direction
to the correct nozzle.
Cleaning the Sprayer
Important: You must always empty and clean the
sprayer immediately after each use. Failure to do
so may cause the chemicals to dry or thicken in the
lines, clogging the pump and other components.
Clean the spray system after each spraying session. To
properly clean the spray system:
• Use three separate rinses.
• Use a minimum of 50 gallons for each rinse.
• Use the cleaners and neutralizers as recommended
by the chemical manufacturers.
• Use pure clean water (no cleaners or neutralizers)
for the last rinse.
1. Stop the sprayer, set the parking brake, and turn off
the engine.
2. Locate the tank drain valve on the rear of the
machine (Figure 20). The valve is to the rear of
pump, attached to the support bracket.
1. Tank drain handle
Open the valve to drain any unused material
from the tank and dispose of it according to local
codes and the material manufacturer's instructions
(Figure 21). After draining, remove the lynch pin on
the bracket securing the drain valve to the machine
and let the valve rest on the ground . This allows
any residual material in the line to drain.
26
Figure 20
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