Great Plains 7560 Series VII Field Cultivator-Floating Hitch Operator Manual - Manual (Page 18)

Section 1: Assembly
Table of Contents ► Great Plains Mfg., Inc.
Series VII 7551-7560 Field Cultivator, Floating Hitch 560-201M 5/22/2008
16
Brace Bar and Wing Brace Assembly
Install the 1 x 7 1/2 eye bolt (1) Figure
3, in the mounting bracket at the back of the
wing with a 1” jam nut on each side of the
bracket. Install the 3 1/4 x 8 DR rephasing
wing cylinder (2) between the eyebolt and the
lever on the wheel bracket with the rephrasing
port up. Secure the cylinder with 1 x 3 clevis
pins, 1” machine washer and 3/16 x 2 cotter
pin.
Bolt the center brace bar (3) to the front
of the center frame with 3/4 x 2 hex bolts (4)
with lock washers and hex nuts. Do not tighten
bolts. Bolt the wing brace (5) to the front of the
wings with 3/4 x 2 hex bolts (4) with lock
washer and hex nuts, do not tighten yet. Use a
1 x 6 hex bolt (6) and nylon lock nut in the
hinge. Draw nut tight but do not torque. Insert
the cylinder mounting tubes (7) between the
center frame and the brace bar. Attach with 5/8
x 4 x 4 1/2 u-bolts (11) and 3/4 x 2 hex bolts
(12), lock washers and nuts. Insert the leveling
link tubes (8 thru 10) and attach with u-bolts
(11) as before. Tightening all u-bolts and brace
bar bolts evenly to prevent binding at hinge.
Wing Fold Bracket Assembly
Bolt the rocker/fold brackets (13 & 14)
to the wing using two 3/4 x 2 1/2 hex bolts (15)
with lock washers and hex nuts, along with two
5/8 x 3 x 5 1/2 u-bolts (16) with lock washer
and hex nuts. The front bracket uses a 3/4 x 5
bolt (17) to attach the outer end. The rear
bracket uses four 5/8 x 2 bolts (18) with lock
washers and hex nuts to attach the outer end.
Bolt the inside hinge (19) to the wing brace
using 5/8 x 2 bolts (20) and one 5/8 x 3 x 5 1/2
u-bolt (21) with lock washers and hex nuts.
Bolt the 5” stub (22) to the wing frame using
5/8 x 1 1/2bolts (23) with lock washers and hex
nuts.
Figure 3