Great Plains 6548 Series VII Field Cultivator-Rigid Hitch Operator Manual - Manual (Page 22)

Section 1: Assembly
Table of Contents ► Great Plains Mfg., Inc.
Series VII 6330-6548 Field Cultivator, Rigid Hitch 560-203M 1/20/2005
20
Hitch Tongue, Side Plate and Level Bar Assembly
Slide the H-bracket (1) down over the
hitch pole as shown in Figure 7. Bolt in place
with a 3/4 x 8 bolt (2) and 3/4” lock nut. Draw
this nut up but do not torque, as this part must
pivot.
Insert the level bars (3) and (4) through
the previously assembled truss and connect to
the torque tube using two 1 x 4 headed pins (5),
1” flat washers, one 1” machine washer 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 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 side plate weldment (9) over
the end of the hitch and bolt in place as shown
with the 1 1/2 x 12 safety chain hitch bolt (10).
Secure with 1 1/2 slotted hex nut and 1/4 x 3
cotter pin. Use the 1 1/2 machine washers as
needed for proper fit. Connect the turnbuckle
(11) between the side plate assembly and the H-
bracket (1). Use a 1 x 4” clevis pin (12) with
machine washer and 3/16 x 2 cotter pin at the
back end of turnbuckle. Use a 1 x 9 GR 8 bolt
(13) with a nylon lock nut at the tee end of the
turnbuckle. Snug, but do not torque nylon lock
nut.
Insert the hitch tongue (14) into the
front of the side plate weldment (9) and bolt in
place with a 1 1/2 x 9 3/8 hitch bolt (15).
Secure with slotted hex nut, machine washers
and 1/4 x 3 cotter pin, using the 1 1/2 machine
washers again as needed for proper fit.
Figure 7