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6. Use the application rate switch to adjust the pressure,
as read on the pressure gauge, until it is in the correct
range for the nozzles that you installed on the boom
sections (typically 276 kPa or 40 psi); refer to the
nozzle selection guide that is available through your
Authorized Toro Dealer.
7. Record the reading on the pressure gauge.
8. Turn off 1 of the boom section using the appropriate
section switch.
9. Adjust the section bypass valve
of the section control valve for the boom section you
turned off until the pressure reading on the gauge is
the same as the pressure reading that you recorded in
step 7.
Figure 37
1. Section bypass valves
10. Turn the boom on and off to verify the pressure does
not change.
11. Repeat steps
9
through
12. Drive the sprayer at the desired speed while spraying
and turn each boom section off individually.
Note: The pressure on the gauge should not change.
Agitation Bypass Valve Knob
Position
•
The agitation bypass valve is in the full Open position as
shown in A of
Figure
•
The agitation bypass valve is in the Close (0) position as
shown in B of
Figure
•
The agitation bypass valve is in an intermediate (adjusted
relative to the pressure gauge for the sprayer system)
position as shown in C of
(Figure
37) at the top
10
for the other boom sections.
38.
38.
Figure 38
1. Open
2. Closed (0)
Calibrating the Agitation
Bypass Valve
Service Interval: Yearly—Calibrate the agitation bypass
valve.
Important: If you have the Pro Control™ ™ ™ XP Spray
System installed turn the power switch to Off now. The
following procedure should be performed only when the
controller is not powered.
1. Select an open flat area to perform this procedure.
2. Fill the spray tank with clean water.
3. Verify the agitation control valve is open.
Note: If it has been adjusted open it completely at
this time.
4. Set the parking brake and start the engine .
5. Move the throttle lever to the Fast position.
6. Set the pump switch and the agitation switch to the
On position.
7. Use the application rate switch to adjust the sprayer
system pressure on the gauge reads 689 kPa (100 psi).
8. Turn the agitation switch to the Off position and read
the pressure gauge.
•
If the pressure gauge indicates 689 kPa (100 psi),
the agitation bypass valve is properly calibrated.
•
If the pressure gauge indicates differently, continue
to the next step.
9. Adjust the agitation bypass valve
backside of the agitation valve until the sprayer system
pressure indicated on the gauge indicates 689 kPa (100
psi).
35
Figure 38
3. Intermediate position
(Figure
39) on the
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