CHAPTER 8
64 RCM - Sprayer and AIM Command FLEX™ II Calibration and Operation Manual
PERFORM THE PWM HEALTH TEST
NOTE: For this test, park the sprayer in a safe area. The test can be run without turning on the master switch
and spraying product for systems that do not have injection systems installed. Product should be in
the tank, and the sparge should be closed to prevent system flow losses. Engine RPM should be at
least 1800. Ensure system plumbing is not pinched and strainers are clean. If the system has a check
valve for direct injection, the system must spray product to determine valve performance. Park the
system in a safe area and turn on master switch and all boom switches while performing this test.
To perform the test:
1. Ensure there is product in the main product tank.
2. Close all open agitation or sparge lines.
3. Ensure all machine control valves are directed to the spray position.
4. Press Begin under the PWM Health test.
5. Set engine RPM to approximately 1800 during the test.
NOTE: If the test cancels due to system over-pressure, you may need to slightly decrease engine RPM and
run the test again.
6. Turn on the system master spray switch.
7. Press the Next button to start the test.
The test will start running the product PWM control valve at the minimum duty cycle, up to the maximum duty
cycle, and back to the minimum. The system flow and pressure will change while this test is happening and
product will spray out of the nozzles.
NOTE: Press the Cancel button to stop the test at any time.
8. Once the test is complete, the PWM valve will turn off.
9. Turn off the master spray switch and return the engine RPM to idle. If the PWM cartridge has sufficient range, a
green check mark will display on the page.
10. Press Apply Suggested Settings to accept the suggested changes to the PWM range or Ignore to keep the
previous values.
11. Press the Accept button to return to the previous page.
WARNING
Chemical will be discharged during the test
procedure. Be sure the boom is fully unfolded
and in a location safe for chemicals to be
dispensed.
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