Great Plains 6548 Series VII Field Cultivator-Rigid Hitch Operator Manual - Manual (Page 18)

Section 1: Assembly
Table of Contents ► Great Plains Mfg., Inc.
Series VII 6330-6548 Field Cultivator, Rigid Hitch 560-203M 1/20/2005
16
Brace Bar, Wing Brace & Rocker/Fold Bracket 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 rephasing wing
cylinder (2) between the eyebolt and the lever
on the wheel bracket. 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) and wing
brace bar (5) to the front of the center frame
and wing frame with 3/4 x 2 hex bolts (4) with
lock washers and hex nuts. Do not tighten
bolts. Use a 1 x 6 hex bolt (6) and nylon lock
nut in the hinge. Draw nut tight but do not
torque. Tighten all other bolts evenly to
prevent bind at hinge.
Bolt the front and rear center fold
brackets (7) to the center frame with two 3/4 x
2 1/2 hex bolts (8) with lock washer and hex
nuts.
Bolt the rocker/fold brackets (9) to the
wing using two 3/4 x 2 1/2 hex bolts (10) with
lock washers and hex nuts, along with two 5/8
x 3 x 5 1/2 u-bolts (11) with lock washer and
hex nuts. The front bracket uses a 3/4 x 5 bolt
(12) to attach the outer end. The rear bracket
uses four 5/8 x 2 bolts (13) with lock washers
and hex nuts to attach the outer end. Bolt the
inside hinge (14) to the wing brace using 5/8 x
2 bolts (15) and one 5/8 x 3 x 5 1/2 u-bolt (16)
with lock washers and hex nuts. Bolt the 5”
stub (17) to the wing frame using 5/8 x 1 1/2
bolts (18) with lock washers and hex nuts.
Attach the 7” offset stub (19) with two
5/8 x 4 x 4 1/4 u-bolts, lock washers and hex
nuts. Model 6330 & 6332 has rocker bracket
(21), connecting link (22) and connecting link
bracket (24). Assemble with 1 x 3 hex bolts
(23) with 1” lock nuts, 1/2 x 3 x 5 u-bolts (25)
with lock washers and hex nuts.
Figure 3
5/23/2008