SurePoint Sentinel NH3, Installation And Setup, Page: 6 / 36

396-4519Y1 Sentinel NH3 Blockage Monitor 3 Revised 01/26/2022
© 2016-2022 SurePoint Ag Systems Inc.
Before you start applying NH3—
 Know the wind direction.
 Are the hoses in good condition?
 Has the expiration date been passed on any hose or other dated component?
 Are all fittings clean and free from rust?

Do low-pressure tubes have any leaks?
 Are any knives plugged?

Is the pressure relief valve operating correctly?
 Does the tank have five gallons of fresh water?
 Is PPE available and being worn (goggles, gloves, long-sleeve shirt) ?
Before performing maintenance on the toolbar or equipment—
 Put on gloves and goggles
 Make sure you have emergency water
 Check wind direction and stay upwind
 Park away from buildings, livestock, and people
 Before servicing, close the valve on the NH3 tank and continue application to bleed the system.
 Be sure the tank valve is closed. Turn the Master valve on and leave it on during bleeding.

Disconnect the nurse tank supply hoses.
 Open all bleeder valves on cooler and rest of system.

Check any hoses that have a low loop in them
 Even after bleeding, slowly and cautiously loosen any fittings to be sure there is no ammonia trapped in-
side.
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