Great Plains NP4000 Applicators - Manual (Page 14)

14 Great Plains Manufacturing, Inc. Front Page Appendix Spring Plunger Update
401-828M Front Page Appendix 2012-08-30
Test Installation
Test Fold
The applicator is presumed to be raised.
Refer to Figure 21
72. Swing the standard cylinder stop channels
fully
open.
73. Swing each spring plunger assembly up off the
valve. Swing the channel and plunger up off the rod,
and rest it on the holder
. Pin the channel handles
(not the plunger handle) in the holder.
This is the transport configuration for the plunger
and cylinder stop channel.
74. Check that all hydraulic connections are made and
that connectors were torqued to specification.
75. Hitch the applicator to a suitable tractor, including all
hydraulic connections.
76. For the fold circuit, slowly move the tractor handle to
Retract. As the wings just begin to move, set the
circuit to Neutral. Inspect for leaks
Refer to Figure 22
77. Resume circuit retraction until the wings are fully
folded. Consult the Operator manual for illustrations
of correct sequence. When the wings reach the
supports, set the circuit to Neutral. Make another
inspection for leaks.
78. Install the wing lock pins (not shown, see Operator
manual).
Figure 21
Ready for Fold
34106
56
7
U
D
R
L
F
B
53
7
56
53
Figure 22
Transport Configuration
34107
U
D
R
L
F
B