Great Plains 4000TT Operator Manual - Manual (Page 18)

Section 1: Assembly
Table of Contents ► Great Plains Mfg., Inc.
Series I 1000TT- 4000TT Turbo-Till 586-043M 12/15/2004
16
Hitch & Self Level Assembly
Bolt the hitch frame (1), Figure 3, to
the center frame with two 1¼ x 8 Gr. 8 hex
bolts (2). Draw up snug with a 1¼ top lock
nut, do not torque, as this part must pivot in
operation. Install the side wind jack (3) to
support the front of the hitch frame. Bolt the
cat III or IV hitch (4) to the hitch frame with a
1 x 8 Gr. 8 hex bolt (5) and a 1 x 6½ Gr. 8
hex bolt (6) as shown. Install the safety chain
(7) on the long bolt as shown with one 3”
washer (8) and one 1¾” spacer (9). Secure
these bolts with 1” hex nuts and lock washers.
Bolt the spring hose loop (10) onto the
hitch frame with a ½ x 1 hex bolt (11), two
flat washers and one lock washer. Pin the
level bar rocker (12) to the fold bracket with
two 1 x 3 clevis pins (13), use a machine
washer and 3/16 x 2 cotter. Insert the level
bar slide tube (14) into the level bar weldment
(15) and secure with a ¾ x 5½ hex bolt (16)
and nylon lock nut, do not torque nut. Install
the assembly to the torque tube and level bar
rocker (12) with 1 x 9½ pins (17) and 3/8 x 1
¾ quick pins. Install the turnbuckle (18)
between the level bar rocker (12) and hitch
frame (1) with a 1 x 9½ pin (17), 3/8 x 1¾
quick pin and a 1 x 4 clevis pin (19), using a
machine washer and 3/16 x 2 cotter.
Figure 3
3/21/2005