Center level bar assembly – Great Plains 6548 Series VII Field Cultivator-Floating Hitch Operator Manual User Manual
Page 19

Great Plains Mfg., Inc.
Section 1: Assembly
1/22/2005
Series VII 6330-6548 Field Cultivator, Floating Hitch 560-205M
17
Center Level Bar Assembly
Slide the H-bracket (1) down over the
cylinder mount tube as shown in Figure 4. Bolt 
in place with a 3/4 x 8 bolt (2) and lock nut. 
Draw this nut up but do not torque, as this part 
must pivot. 
Connect the level bars (3) and (4) to the
torque tube using two 1 x 3 3/8 usable clevis 
pins (5), 1” flat washers, 1” machine washers 
and 3/16 x 2 cotter pins. Install the 1 1/4 x 13 
1/2 Gr.8 bolt (6) through the level bars and H-
bracket. Draw up snug with a 1 1/4 top lock 
nut do not torque. 
Connect the three level bar cross braces
(7) between the level bars and bolt in place 
with 5/8 x 1 1/2 bolts (8) using nuts and lock 
washers. Slide the leveling links (9) over the 
leveling link mounting tubes as shown. Bolt in 
place with 1 x 6 special thread Gr.8 hex bolts 
(10), securing with nylon lock nuts. Do not 
torque, as this part must pivot freely. Connect 
the gauge wheel level bars (11) to the level bars 
(3 & 4) using two 1 x 4 1/2 headed pins (12), 
1” machine washers and 3/16 x 2 cotter pins. 
Bolt the gauge wheel level bar (11) to
the turnbuckle assembly (13) through the 
leveling link (9) as shown. Use the 1 x 6 
special thread hex bolt and nylon lock nut. Do 
not torque as before. 
Attach the rebound valve mounting
bracket (14) and valve mounting bracket plate 
(15) with four 1/2 x 4 1/2 bolts (16) using lock 
washers and hex nuts. Insert the 3/4 x 3 
transport pin (17) in holder. 
Figure 4
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