
Innovators in Agriculture
55-10 Schematics and Theory of Operation
Splendimo 550 P
T
HEORY
OF
O
PERATION
- S
WING
& F
OLD
C
IRCUITS
None of the valve block solenoids are energized when control switch
(4)
is set to left-hand “N” position. Since swing solenoid
(1)
is normally
open, but fold solenoids
(2)
and
(3)
are normally closed, oil will flow
only through the swing cylinder circuit.
When control switch
(4)
is moved to the right-hand fold position, swing
solenoid
(1)
will energize and close, fold solenoids
(2)
and
(3)
will
energize and open. Oil will flow only through the fold cylinders circuit.
Direction of tongue swing and fold cylinder movement is controlled by
tractor hydraulic control.
4
3
2
1
3
2
1
S/N 101–223
S/N 224–Up
4.1304.8503.0
Summary of Contents for Splendimo 550 P
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