Installation & Operation Manual - StellarSupport - John Deere

Recirculation Check Valve
Installation
A recirculation and priming check valve (P/N 333-0011-100) must be plumbed into the recirculation line
between the 3-way valve on the outlet side of the injection pump and the chemical tank. This check valve is
required to allow air to bleed off during priming of the injection pump. The recirculation and priming check valve
is also necessary to allow the system to detect if the pump is primed. See Figure 1 on page 11.
Note: The recirculation check valve has a 0.046” dia. hole in the poppet to allow air to pass. This check
valve applies 12 PSI [83.74 kPa] to the pump during priming.
Plumb the Recommended Pump Rinse System
An injection pump rinse system is recommended to enhance the performance of the Sidekick Pro ISO
injection pump and provide a clean method for changing between chemicals. The rinse system flushes
chemical build up or residues which may collect in the injection pump.
Note: Some components of the recommended rinse system may not be available from Raven. The
following components may be purchased separately and plumbed as shown in Figure 9 on
page 22.
• Clean water supply tank
• Strainer (80 Mesh)
• 1/2 PSI check valve (P/N 333-0011-087)
• Appropriate hose or tubing
• Miscellaneous fittings
Manual No. 016-0171-509 Rev. B 21
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