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ASSEMBLY INSTRUCTIONS
Gang Assembly Wing Assemblies
Like the center frame gangs, install the front gangs
1.
first to keep the front end from coming up
uncontrolled. Position the gang assemblies under
the wing frame
(See Figures 3-10
Assembly and
See Figures 3-11
and insert the gang pivot pin through
Assembly)
gang pivot tube of gangbar, there are notches that
will need to be aligned so the pin will not rotate in
the gang bar. Install the 3" stainless steel thrust
washer over the gang pivot pin, and pin will go on
through the gang pivot mount welded to the wing
frame. Install the 1-13/16 diameter thrust stainless
steel washer to the threaded end of the gang pivot
pin along with the gang pivot nut. If the top bushing
in the wing frame pivot comes out a little while the
pin is going through, just put the gang pivot nut on
and hand tighten down to press it back into place.
Disc blades are extremely sharp. Exercise
extreme care when working on or near disc
blades. Do not allow discs to roll over or fall onto
any bodily part. Do not allow wrenches to slip
when working near disc blades. Never push
wrenches toward disc blades. Do not climb over
machine above disc blades. Failure to stay clear
of disc blade edges can cause serious personal
injury or death.
3-18
for Inner Wing
for Outer Wing
DANGER
2. Align the slide plates on the outer part of the wing up
to the gang bar and install the 3/4-10 x 10 bolts into
the slide plates and through the angle iron on the
gang bar.
NOTE
3/4-10 x 11 hex screws are used in locations shown
Figures
3-10) for model 7550-40' only.
3. Tighten down all of the slotted nuts on the inner wing
frame using the disc gang wrench provided on the
center frame. Tighten to 200 ft-lbs and then back off
to the nearest slot in nut.
IMPORTANT
Grease the zerk down inside of all gang pivot
pins until grease is purged from the pivot joint.
4. Install a 3/8 x 3 clevis pin and 1/8 hairpin to prevent
gang pivot nut from loosening.
5. Tighten the 3/4-10 x 10 bolts on the outer part of the
wings to secure the disc gangs using 3/4" flat
washers and lock nuts. Do not over tighten to where
the plates are bowed.
6. Install the gang adjust gauge as shown
Figures
3-12) The gauge link will need to be
mounted to the second hole in the gang adjust dial
for the 7550-40'/45'' VT.
NOTE
To calibrate gauge the disc gangs will need to be
adjusted to the 15 degree angle with hydraulics. Then
manually rotate gang adjust dial to 15 degree setting in
indicator gauge. Now the 5/8-11 x 6-11/16 x 7-1/2 u-bolts
and lock nuts may be
tightened(See Figures
(See
(See
3-12).
F-987-0519
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