Great Plains 7560 Series VII Field Cultivator-Rigid Hitch Operator Manual - Manual (Page 21)

Great Plains Mfg., Inc. Table of Contents ►
Section 1: Assembly
2/01/2005 Series VII 7551-7560 Field Cultivator, Rigid Hitch 560-199M
19
Center Truss, Hitch and Strut Assembly
Bolt the center frame truss (1) Figure 6,
to the top side of the center frame and brace
bar. Use 3/4 x 2 bolts (3) on the front plates
and 5/8 x 1 1/2 bolts (2) on the rear two plates.
Use lock washers and hex nuts on all of these
bolts. Bolt the truss cross bar (4) with the truss
legs (5) through the truss frame (1) with the 3/4
x 6 bolt (6), lock washers and hex nuts. Use a
5/8 x 3 x 5 1/2 u-bolt (7) at the base of the truss
legs.
Slide the back of the hitch (8) between
the plates at the front of the brace bar as shown.
Use two 1 1/4 x 7 Gr. 8 bolts (9) and 1 1/4 lock
washers and hex nuts to secure the hitch.
Mount the tongue jack (10) to the front of the
hitch to support it.
Use 1 x 5 1/2 bolts (12) to attach the
hitch strut (11) between the front of the truss
and the hitch. Use lock washers and hex nuts
on these bolts.
Slide the hose support (13) rod into the
tube at the front of the hitch and secure it with a
1/8 x 1 1/2 cotter pin. Attach the rebound valve
mounting bracket (14) and valve mounting
bracket plate (15) with four 1/2 x 4 1/2 bolts
(16) using lock washers and hex nuts.
Figure 6
5/22/2008