Great Plains NP30A 30-foot Operator Manual - Manual (Page 93)

Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 89
2014-05-20 Table of Contents Index 407-502M
7. Set tractor remote circuit for unfold. Lock lever for
continuous operation.
8. At the pressure reducing valve , release the lock
disc .
9. Adjust the knob for an initial value of 800 psi on
the gauge . Tighten the lock disc.
10. At the bypass valve , release the lock disc .
Adjust the bypass valve knob counter-clockwise until
the pressure reading just begins to fall from the value
set at step 9. Turn the knob clockwise
1 ⁄
4
turn.
Tighten the lock disc.
11. Observe applicator operation, and re-adjust
down-pressure as necessary after oil warm-up.
Repeat step 7 through step 10. The bypass valve
needs to be closed prior to any adjustment to
increase weight transfer.
Figure 70
Weight Transfer Adjustment
32041
2 3
6
5 4
7
8
1
2
6
7
8
3 4