Great-plains NP4000B Operator Manual User Manual Page 71

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Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 67
2014-05-14 Table of Contents Index 417-199M
NH
3
: Monitor Operation
Refer to Figure 47
The optional SCS 450 console monitors NH
3
flow,
monitors field speed, and operates the (rate) control
valve to deliver anhydrous ammonia at your desired rate.
Once setup for the applicator and preferences, and
configured for the rates/limits, the monitor is typically
used in the “RATE 1” or “RATE 2” FLOW CONTROL
modes.
POWER: must be ON
FLOW CONTROL: as desired
BOOMS: 1 or 1, 2 and 3 ON, all others don’t-care
(suggest OFF)
MASTER: OFF except when in field and in ground
POWER Switch: Ammonia Release Hazard:
The MASTER switch only controls the On/Off valve if the
POWER switch is ON (and power is supplied to the console).
If you turn the POWER switch off with the MASTER and
BOOM 1(2 and/or 3) switch on, the On/Off valve(s)
remain OPEN, the Control Valve retains its setting, and
ammonia may continue to flow from the nurse tank to the tines.
See SCS 450 manual for monitor operation details.
NH
3
: Field Application
NH
3
: Starting Tank Flow
13. Spot the applicator at the start of the first pass.
14. If the tractor has adequate power, lower the tines into
the ground and pull forward to fully seat them.
Refer to Figure 47
15. Check console MASTER switch OFF.
16. Put on your chemical gloves and goggles.
Refer to Figure 48
17. Check all applicator and nurse tank valves closed (all
in-line valves and all bleed valves).
18. From up-wind, open the tank withdrawal valve .
Check for leaks and open valves.
Expect NO ammonia odor at this time.
19. Open the applicator emergency shut-off valve .
Check for leaks and open valves.
Expect NO ammonia odor at this time.
Figure 47
Typical Line-Up Screen
31588
A31
A31
A30
Figure 48
Open Valves
31566
A18
A61b
A61a
A65
A65
A18
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