Great Plains 6548 Series VII Field Cultivator-Rigid Hitch Operator Manual - Manual (Page 20)

Section 1: Assembly
Table of Contents ► Great Plains Mfg., Inc.
Series VII 6330-6548 Field Cultivator, Rigid Hitch 560-203M 1/20/2005
18
Connecting Outside Wing and Wing Brace Assembly
On 5-section models, bolt the outside
wing assembly (1) to the inside wing frame
with grade 8, 1 x 6 hex bolts, 1 3/4 thread (2)
Figure 5, securing with 1” nylon lock nuts.
Bolt the outside wing brace (3) to the
plate on the outside wing with 5/8 x 1 1/2 bolts
(4), with lock washers and hex nuts. Bolt the
outside hinge (5) to the wing brace using two
5/8 x 3 x 5 1/2 u-bolts (6), with lock washers
and hex nuts, and a 1 x 5 1/2 hex bolt (7) with
nylon lock nut.
Bolt the 25” offset stub (8) as shown for
your model, with 5/8 x 4 x 4 1/4 u-bolts (9)
lock washers and hex nuts. Also attach the
bolt-on C-frame (10) with 5/8 x 1 1/2 hex bolts
(11), lock washers and hex nuts.
Attach the 3 x 8 hydraulic cylinder
(12) between the lever on the wheel bracket and
the 1 x 7 1/2 eye bolt (13) mounted in the
bracket in the back of the wing. Use 1 x 3 1/2
clevis pins (14) with 1” machine washer and
3/16 x 2 cotter pins and 1” jam nuts on the eye-
bolt.
Attach the 5” bolt on stub (15) to the
outside of the wing frame using 5/8 x 1 1/2 hex
bolts (16), using lock washers and hex nuts.
On 6544 & 6546 models, u-bolt the 11” u-bolt
on stub (17) as shown, using 5/8 x 4 x 4 1/4 u-
bolts (9). On 6537, 6539, 6541, 6544 models,
attach the 4x4 K-Flex stub (18) as shown with
1/2 x 5 1/2 hex bolts (19). On 6541 model,
attach the 4 1/2” u-bolt on stub (20) as shown
with 5/8 x 4 x 4 1/4 u-bolts (9) using lock
washers and hex nuts.
Figure 5
5/23/2008