Great Plains DVN8552 Assembly Manual - Manual (Page 31)

Great Plains Manufacturing, Inc. Assembly 27
02/12/2014 550-353Q-ENG
Install 8537-8552 Outside Wing Fold
Refer to Figure 20
113.IAttach 1 1/4 x 9 1/2 eye bolt
, secure with 1 1/4 jam
nut (one on each side plate).
114.Mount 3.5 x 8 x 1.25 cylinder (models 8537-8544) or
4 x 8 x 1.38 (models 8548-8552) to eye bolt and
wheel arm L with 1 x 3 11/16 pins , 1.5 x 1.0 x.075
machine washers and 3/16 x 2 cotter pins.
115.Mount bottom of rocker to wing hinge with 1 x 3 3/8
clevis pin ,1.5 x 1.0 x.075 machine washer and 3/16
x 2 cotter pin, bend cotter pin over to secure.
116.Attach base end of 3.5 x 24 x 1.25 cylinders to fold
bracket with 1 x 3 11/16 pin , 1.5 x 1.0 x.075
machine washer and 3/16 x 2 cotter pin.
117.Do not attach rod end of fold cylinders until fold sys-
tem has been purged, See “Purging Hydraulic Sys-
tem” on page 36.
118.When fold system is purged, attach rod end of cylin-
ders , to top of rockers , with 1 x 7 hinge pin , 1
flat washers, 1 3/4 od rollers and 3/8 x 2 roll pins in
order shown.
119.Mount wing lock T brackets , with 1/2 x 3 1/32 x 5 u-
bolts , 1/2 lock washers and 1/2 nuts.
Note: See layout section for proper placement of wing lock
T brackets .
120.Repeat same procedure for right wing.
121.Tighten all bolts to specs, See “Torque Values
Chart” on page 43.
Walking Beam Assembly
Note: The center and wing walking beams install the same way as shown below.
Install Bearings and Seals
Refer to Figure 21
122.Pack bearings
with grease and put one on each
side of torque tube ,
123.Carefully drive grease seals (metal part of seal to
outside) into torque tube until it flush with the out-
side of torque tube.
Figure 20
8537-8552 Outside Wing Fold
41656
10
5
2
3
4
1
9
7
7
5
6
U
D
F
B
L
R
4
8
1
2
3 1
4
5
6
7
4
7 5 8
9
10
9
Figure 21
Bearing & Seal
41673
1
3
2
3
2
2
1
3
1