Rolling harrow (optional) – Great Plains 4000TM Assembly Manual User Manual
Page 45
Great Plains Manufacturing, Inc.
Assembly
41
12/03/2013
586-537Q-ENG
Rolling Harrow (optional)
Note: It is very important to install the rolling harrow
assembly in the order shown below and go to the
rolling harrow placement drawing, see “Layout
Section” of this manual for proper dimensions
where it is marked xxx in drawing below. The roll-
ing harrow bracket
dimensions are coming off
of rear, front tube of drag frame
to front of plate
of rolling harrow bracket
. The ball joint bracket
is dimensioned off of end of rolling spike tube
to side of plate on ball joint bracket
(dimensions
in layout drawings may come off either end of
tube). For complete parts breakdown see “Attach-
ment Section” of Parts Manual.
Refer to Figure 33
135.Start by installing the drag frames
with 3/4 x 2 hex
bolts
, 3/4 lock washers and 3/4 nuts. Torque bolts
to 265 ft-lb.
136.Attach rolling harrow brackets
in appropriate loca-
tion with 5/8 x 3 1/32 x 4 1/2 u-bolts
, secure with
5/8 lock washers and 5/8 nuts. Adjust the bracket to
dimensions shown in layout drawings and torque u-
bolts to 150 ft-lb.
137.Attach ball joint brackets
and
to rolling spike
tube assembly
with 5/8 x 3 1/32 x 4 1/2 u-bolts
,
secure with 5/8 lock washers and 5/8 nuts. Place left
ball joint brackets
in proper location from layout
drawing and torque u-bolts to 150 ft-lb. Leave right
ball joint bracket
loose, as it may need move a lit-
tle to bolt up to right rolling harrow bracket
.
138.Align ball joint brackets
and
to rolling harrow
brackets
, secure with 1 x 4 hex bolts
and 1
nylon lock nut. Torque bolts to 645 ft-lb. Also torque
the 5/8 x 3 1/32 x 4 1/2 u-bolts
in right ball joint
brackets
to 150 ft-lb.
139.Tighten all bolts with lock nuts snug, but do not
torque. The rest of the bolts may be tightened to
specs, See “Torque Values Chart” on page 46.
3
1
3
6
8
6
1
2
3
4
6
7
8
4
6
7
3
6
7
3
5
4
7
Figure 33
Rolling Harrow
42970
8
4
2
4
5
7
6
3
1