Great Plains 3000TM Assembly Manual - Manual (Page 26)

22 1800-3000TM Great Plains Manufacturing, Inc.
586-536Q-ENG 11/12/2013
Center Gang Bar 2400-3000
Note: Refer to center gang bar assembly in “Parts Man-
ual” for correct part numbers of all components.
Refer to machine layout drawings in this manual
for correct gang assembly placement.
Refer to Figure 20
79. Position gang assemblies
in proper locations.
Install the gang pivot bolt through tubes of gang
bars and tubes on center frame, secure with 1 1/4
flat washers
(one on top and one on bottom), 1 1/
4 slotted nut (one on top and one on bottom).
Tighten bolts snug, torque to 350 to 400ft-lbs. Install
the 3/16 x 2 cotter pins
through 1 1/4 slotted nuts
and bend over to secure.
Note: Be sure turnbuckle assembly is preset at 30 1/
4” before installing as shown below. See gang
angle adjustment in “Operator Manual” before
going to field.
80. Install rocker arm to tube on center frame with 1 1/
4 x 10 special thread bolt , secure with 1 1/4 top
lock nut.
81. Install link with 1 x 3 1/4 clevis pin , 1.5 x 1.00 x
0.075 machine washer and 3/16 x 2 cotter pin .
82. Install turnbuckle assembly , adjustable end on ear
on front of rear gang bars and fixed end on rear of
rocker arm
. Secure with 1 x 3 1/4 clevis pin , 1.5
x 1.00 x 0.075 machine washer and 3/16 x 2 cot-
ter pin .
83. Install the round tubes (two on each gang bar)
between bottom front plate (slotted hole toward
rear), rear plates and plates on center frame.
Install the 3/4 x 6 hex bolts , 3/4 lock washers and
3/4 nuts. Attach other ends of plates and to
bottom of center frame with 3/4 x 2 hex bolts and
3/4 lock washers.
84. Install bracket on bottom side of gang bar plate,
secure with 5/8 x 3 1/2 hex bolts , 5/8 lock wash-
ers and 5/8 nuts.
85. Now the gang cylinders may be hooked up with
the 1 x 3 1/8 clevis pin , 1.5 x 1.00 x 0.075
machine washer and 3/16 x 2 cotter pin .
86. Hook gang cylinder hoses to gang cylinders, be sure
all fittings are tightened to specs, See “Hydraulic
Connector ID” on page 40. Now the gang system
may be purged of air, See “Purging Hydraulic Sys-
tem” on page 19.
87. Bolts may be tightened to specs, See “Torque Val-
ues Chart” on page 38 and all cotter pins may be
bent.
1
2
3
4
5
4
9
6
7
8 10
11 5
9
6 10
11
5
14
12
13
15
12 13
15
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18
19
11 5