Fold cylinders, rocker arm and 3” rollers assembly, Fold cylinders, rocker arm and 3” roller assembly – Great Plains 7344 Series VII Field Cultivator-Floating Hitch Operator Manual User Manual
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Series VII 7332-7344 Field Cultivator, Floating Hitch 560-200M 2/17/2005
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Fold Cylinders, Rocker Arm and 3” Rollers Assembly
Connect the center fold 4 x 24
cylinders (1) to the center fold bracket as
shown in Figure 10. Use the 1” x 3½ clevis
pin (2) with 1” machine washer and 3/16 x 2
cotter pin. Attach the 5 ¾” rocker (3) to
rocker bracket with 1 x 3 Headed Pin (4) using
1” machine washer and 3/16 x 2 cotter. Do
Not Connect Rod End Of Cylinders To
Rockers Before They Are Charged With
Oil.
Figure 10
On flip-over wing models, connect the
base of the 4 x 16 fold cylinders (7) to the
cylinder mount/hinge with 1 x 3½ clevis pin
(2), 1” machine washer and cotter (see Figure
11). Do Not Connect Rod End Of Cylinders
To Rockers. Bolt the hose holders (5) to the
center frame with a ½ x 4½ hex bolt (6), using
a lock washer and hex nut.
Place a support block of wood under
the cylinders, as shown, so they clear the
rockers in the extended position. You are now
ready to connect the hydraulic hoses to the
cylinders and charge the fold system (see
hydraulic layout, section 2).
Figure 11
Once the fold cylinders are fully
charged and free of air, connect them to the
rockers. Use a 1 x 5½ bolt (8) to bolt two 3”
rollers (9), one on each side, to the 180 degree
rocker as shown in Figure 11. Secure with 1”
nylon lock nut. Rollers must turn freely!