Great Plains NP4000B Operator Manual - Manual (Page 189)

Great Plains Manufacturing, Inc. Table of Contents Index Appendix C - Accessory Installation 185
2014-05-14 Table of Contents Index 417-199M
Add NH
3
Divider Port
Refer to Figure 109
15. Wear PPE
a
. Verify that the system has been
discharged (see “System Discharge” on page 118).
16. Locate the flow divider for the left wing.
Verify that the pressure gauge is reading zero.
17. Select one new:
830-406C AD 1/4MNPT X 3/8 HB SS
18. Choose any plug on the divider. Position yourself
up-wind of the plug. Begin to slowly unscrew the
plug, watching for signs of pressure or residual
ammonia bleed-off. If any ammonia is detected, wait
for it to bleed off before continuing.
19. Replace the plug with the adaptor . Use pipe
sealant when installing a replacement port fitting.
Use only pipe sealant specified for use with
anhydrous ammonia, such as RectorSeal No. 5. Do
not use tape.
Cut New Tubing
Connect Side Dress Tubing
Refer to Figure 110 and Figure 109
20. Disconnect the delivery tubing
at row 1, the
existing left-most row. Release any coiled-up length
from ties at the row. Make sure that there is enough
slack for a tube of this length to reach the side dress
row. If not, have your dealer contact the factory.
21. Release the remaining length of row 1 tubing all the
way back to the section divider . Do not
disconnect it from the divider.
Measure the length of this tubing from divider
port
to row end cut. Re-route and reconnect it to
row 1. Do not re-tie until step 25.
22. Select one new:
990-259R EVA TUBING 3/8 ID
Cut this tubing to the length measured at step 21.
23. Select two new:
800-400C HOSE CLAMP NO.10 .593 ID SS
Slide one over each end of the new tubing.
24. Connect the new tubing to the adaptor
installed in step 19. Route the tubing along the rear
tool bar, passing through the pin axis at the wing
hinge. Coil up excess behind or around
b
the tool bar.
Connect the wing end to the coulter tine. Secure
both ends with clamps
.
25. Secure all tubing with ties provided.
26. Note change in swath for rate setting.
a. PPE: Personal Protective Equipment
b. Avoid tight bends and kinks if wrapping around the tool bar. Make coils nearly circular.
Figure 109
Install Side Dress Divider Port
34982
A38
A44
A43
A42
A45
33
Suffocation, Blinding, Burning, Freezing, Disabling and
Disfigurement Hazards:
Do not perform this installation without PPE or without
verifying system discharge. This installation requires opening
a flow divider port to the atmosphere. This system segment
could contain liquid anhydrous ammonia (NH
3
). It would
overwhelm your PPE
a
and could be fatal.
A38
A42
A43
A44
A43
1
Figure 110
Install Side Dress Tubing
34983
A45
1
A38
A43
A45
33
A45 A43
33