Fold cylinders, rocker arm and 3” rollers assembly, Fold cylinders, rocker arm and 3” roller assembly – Great Plains 7344 Series VII Field Cultivator-Rigid Hitch Operator Manual User Manual
Page 23
1/31/2005
Series VII 7332-7344 Field Cultivator, Rigid Hitch 560-198M
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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 9. Use the 1” x 3½ clevis pin
(2) with 1” machine washer and 3/16 x 2 cotter
pin. Attach the 5¾” 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 9
On 7341 and 7344 models connect the
base of the 3 x 16 fold cylinders (7) to the
cylinder mount/hinge with 1 x 3½ clevis pin
(2), 1” machine washer and cotter (see figure
10). 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).
Figure 10
Once the fold cylinders are fully
charged and free of air, connect them to the
rockers. On the 7341 and 7344 models 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 10. Secure with 1” nylon lock nut.
Rollers must turn freely!