38
PLUMBING
Remove your existing metering valve system. If the old
metering valve has a built-in manifold, you must install a
separate manifold. No positive shut-off valve(s) may be
installed in the system after the NH3500’s shut-off valve.
Locate a convenient spot on the applicator to install the
system. The break-a-way coupler hose must reach the
stainer inlet with enough slack to allow proper operation
of the disconnect mechanism. The strainer’s clean-out plug
should be accessible for cleaning. Bolt the system to the
frame using four ½” x 7” carriage bolts and flange lock nuts
through the top and bottom brackets. Trim the length of
the bolts if required. Attach the break-a-way coupler hose to
the strainer input. Connect the manifold hose to the servo
valve outlet.
Weld the vapor tubes to the back of your liquid tubes.
ALL ELECTRONIC EQUIPMENT, including the console and
Trak-Star Speed Sensor, MUST BE DISCONNECTED BEFORE
WELDING ON EQUIPMENT. The four vapor tubes should
be evenly spaced across the applicator and installed so that
only their wear resistant surface contacts the soil. Mount the
tubes just high enough to avoid plugging.
TO MANIFOLD
TO
VAPOR
TUBES
BREAK-AWAY
COUPLER
Anhydrous Ammonia (cont.)
Installation
!
WARNING
Always follow standard safety
procedures and use proper
safety equipment when working
on anhydrous ammonia equipment
Before working on plumbing:
• Disconnect nurse tank.
• Remove all ammonia from system
• Leave all valves on applicator open.
O MANIFOLD
GROUND
LEVEL
VAPOR
TUBE
WEAR
RESISTAN
SURFACE
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