Clevis hitch, Category iii hitch, Clevis hitch category iii hitch – Great Plains TCN5313 Operator Manual User Manual
Page 23
Great Plains Manufacturing, Inc.
Preparation and Setup
19
03/17/2014
566-170M
To prevent soil compaction on rows, set tractor wheels
between rows.Raise tractor three-point arms (if equipped)
clear up to clear Turbo-Chisel.
1.
For TWO-WHEEL DRIVE and MFWD tractors, pin
drawbar in fixed center position for field and trans-
port. For FOUR-WHEEL DRIVE and TRAC-DRIVE
tractors, leave one hole clearance on each side of
drawbar for field position, hitch damage may occur if
pinned solid. Pin in center position for transport to
maintain maximum steering control.
Clevis Hitch
Refer to Figure 4
The base hitch must be upright (with the recessed notch
on the bottom) for this configuration. This places the
tongue weight on the base hitch, and not the clevis.
1.
Select one each:
890-798C HITCH CLEVIS
802-487C HHCS 3/4-10X6 GR8
803-367C NUT HEX TOP LOCK 3/4-10 PLT
2.
With the square-shouldered end of the clevis
up,
fully seat the clevis in the upright base hitch
.
Insert the Grade 8 bolt
from below. Secure with
lock nut
.1
3.
Hitch Failure Hazard:
Install the hitch base and assemble the clevis parts as shown.
Incorrect installation or assembly may result in failure of the
clevis bolt, leading to hitch failure. This could result in a seri-
ous highway accident or severe machine damage.
Category III Hitch
The base hitch must be inverted (with the recessed notch
on the top) for this configuration. Set the V-block
to
allow some vertical articulation of the draw bar pin.
Always use at least one cushion
.
1.
Select one each:
PPI-302V TOP PLATE - CAT 3
PPI-203VR V-BLOCK
802-383C HHCS 3/4-10X3 GR5
and two:
PPI-205H CUSHION
2.
Set the cushions inside the hitch recess
, just for-
ward of the vertical bolt hole. Position the V-block
forward of the cushions and check the size of the
resulting pinning hole. Remove a cushion if needed.
3.
Add the top plate
. Secure from below with
Grade 5 bolt
.
Figure 4
Configure Hitch
31740
42326
31741
83
47
48
89
88
87
82
62
82
48
62
82
83
48
62
87
88
89
87
47
88
88
87
89
47