Great Plains 7560 Series VII Field Cultivator-Floating Hitch Operator Manual - Manual (Page 20)

Section 1: Assembly
Table of Contents ► Great Plains Mfg., Inc.
Series VII 7551-7560 Field Cultivator, Floating Hitch 560-201M 5/22/2008
18
Center Caster Wheel Linkage & Hitch Pole Assembly
Bolt the center fold bars (1 & 2) to the
center frame as shown in Figure 5. Use 3/4 x 2
1/2 hex bolts (3) with lock washers & hex nuts.
Bolt the center frame truss (4) to the center
frame using 5/8 x 1 1/2 hex bolts (5), lock
washers and hex nuts, and 3/4 x 2 hex bolts (6)
with lock washers and hex nuts.
U-bolt the gauge wheel arm mount (7)
to the center brace bar with three 3/4 x 3 x 5 1/2
u-bolts (8). Insert the left & right bottom center
gauge wheel arms (9 & 10) and secure with 1 x
5 1/2 special hex bolts (12) and nylon lock nuts,
do not torque.
Attach the top gauge wheel arms (11) with the
same 1 x 5 1/2 special hex bolt and nylon lock
nut, do not torque. Connect the turnbuckle to
the bottom arms with a 1 x 4” clevis pin (13),
machine washer and 3/16 x 2 cotter pin. See
Caster Wheel Assembly, Section 3
Replacement Parts, for caster wheel exploded
diagram.
Bolt the hitch pole (14) to the brace bar
with two 1 1/4 x 7 Gr.8 hex bolts (15), secure
with 1 1/4 lock nuts but do not torque. Insert
the tongue jack (16) on the hitch pole jack tube.
Bolt the hitch clevis (17) to the hitch pole with
1 1/2 x 11 safety chain bolt (18), machine
washers, slotted hex nut and 1/4 x 3 cotter pin.
Attach hose holder (19) with 1/8 x 1 1/2 cotter
pin.
Figure 5